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  • DC Circuit Breaker – Miniature Circuit Breakers for DC and Solar Generation

    DC Circuit Breaker – Miniature Circuit Breakers for DC and Solar Generation

    Solar Circuit Breakers: The difference between DC and AC breakers

    DC Circuit Breaker – Miniature Circuit Breakers for DC and Solar Generation

    The JB is a DC circuit breaker dedicated to multi string photovoltaic installations. This circuit breaker is designed to protect the cables located between each string of photovoltaic modules and the photovoltaic inverter against overloads and short circuits. Combined with a switch, the JB will be installed in a string PV protection enclosure at the end of each string of photovoltaic modules.

    IEC 60947-2, EN60947-2, GB 14048.2

    Meaning and Classification Models

    Main Characteristics

    Operating Voltage (Ue): 1P=250 V DC, 2P=500 V DC, 3P=750 V DC, 4P=1000 V DC
    Rated insulation voltage (Ui): 1,000 VDC
    Breaking capacity (Icu): 10 kA
    Impulse voltage (Uimp): 4 kA
    Electrical connection: By the bottom for In and Out
    Number of poles: 1P, 2P, 3P, 4P
    Standards: IEC 60947-2, EN 60947-2

    Technical Data

    • Position contact indication — suitability for isolation according to IEC/EN 60947-2 standard.
    • The presence of the green strip guarantees physical opening of the contacts and allows operations to be performed on the downstream circuit in complete safety.
    • Increased product service life thanks to fast closing independent of the speed of actuation of the toggle.

    Curve

    Instantaneous Trip

    B Curve — These MCBs are suitable for cable protection. Rating: 1-63A(30°C). Instantaneous trip: (3-5)In.

    C Curve — Suitable for domestic and residential applications and electromagnetic starting loads with medium starting currents. Rating: 1-63A(30°C). Instantaneous trip: (5-10)In.

    D Curve — Suitable for inductive and motor loads with high starting currents. Rating: 1-63A(30°C). Instantaneous trip: (10-20)In.

    K Curve — Suitable for motor loads with high inrush currents. Rating: 1-63A(30°C). Instantaneous trip: (10-14)In.

    Wiring Diagram

    Installation

    Dimensions (mm)

    Weight (g)

    Circuit breaker Type: 1P=120g, 2P=240g, 3P=360g, 4P=480g

    Connection

    AC Vs DC Circuit Breakers: The importance of the DC ARC Extinguisher

    FAQs

    DC Circuit Breaker offers reliable protection for DC electrical installations, safeguarding against overloads and short circuits. In the event of a fault, the circuit breaker automatically disconnects the electrical circuit, preventing wire damage and reducing the risk of fire. It also allows for manual opening under full-rated load during electrical maintenance.

    The circuit breaker is designed for reversible connection, accommodating bidirectional current flow. Clear markings on the handle provide easy identification of the contact position. With a versatile design, it can be easily installed on both standard DIN rails and vertical surfaces.

    Today’s DC circuit breakers have expanded applications including solar photovoltaics, electric vehicle charging stations, battery storage and UPS systems, as well as commercial and industrial DC distribution. Trust Langir’s DC Circuit Breaker for efficient and safe protection of your DC electrical systems.

    • Principle: Fuses use a wire that melts to break the circuit during overcurrent, while circuit breakers use a switch or trip mechanism.
    • Resetting: Fuses are one-time-use and need replacement, while circuit breakers can be manually or automatically reset.
    • Response Time: Fuses have a faster response time than circuit breakers.
    • Reusability: Fuses are disposable, while circuit breakers can be reused multiple times.
    • Sensitivity: Fuses are more sensitive to overcurrent, while circuit breakers have adjustable settings.
    • Application: Circuit breakers offer more flexibility and can protect against both overcurrent and short circuits.
    • Railway: DC circuit breakers are crucial for ensuring safety and reliability of power systems in railways. These breakers are capable of quickly detecting faults in circuits and cutting off the current to prevent damage to electrical equipment or potential fires. In railway systems, DC circuit breakers can also assist with controlling the operation and stopping of trains, as well as optimizing energy usage.
    • Power System: DC Circuit Breakers are essential for safe and reliable power systems, especially in solar energy. These breakers detect and isolate faults, protecting PV panels from overcurrent conditions and maximizing system efficiency. Langir’s DC Circuit Breaker (JB) can be applied to grounded or ungrounded systems and meets higher voltage and lower fault current levels of solar systems.
    • Home: DC Breakers are an essential safety feature for home electrical systems. These breakers protect against overcurrent conditions that can lead to electrical fires and equipment damage. In addition, they can help homeowners optimize energy usage by monitoring and controlling the flow of electricity.
    • Office Building: DC Breakers are commonly used in office buildings for a variety of applications, such as protecting electrical panels and equipment, controlling lighting and HVAC systems, and managing emergency power systems. They are also a crucial component of renewable energy systems, such as solar panels and wind turbines.
    • Voltage Rating: Determine the maximum voltage of your DC system. Ensure that the circuit breaker’s voltage rating matches or exceeds your system voltage to ensure proper protection.
    • Current Rating: Identify the maximum current that your DC circuit can handle. Choose a circuit breaker with a current rating that matches or exceeds the maximum current of your system.
    • Trip Curve: Consider the desired trip curve, which determines how quickly the circuit breaker will trip in response to an overload or short circuit. Different applications may require different trip curves based on the level of protection needed.
    • Breaking Capacity: Evaluate the breaking capacity or interrupting rating of the circuit breaker. It indicates the maximum fault current that the breaker can safely interrupt without damage. Ensure that the breaking capacity meets or exceeds the fault current of your DC system.
    • Mounting Type: Determine the suitable mounting type for your application. DC circuit breakers are commonly available in panel-mount, DIN rail-mount, or surface-mount configurations. Choose the one that fits your installation requirements.
    • Additional Features: Consider any additional features that may be required for your specific application, such as auxiliary contacts, remote tripping capabilities, or status indicators.
    • Compliance and Certifications: Verify that the chosen circuit breaker complies with relevant industry standards and certifications to ensure safety and reliability.

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  • Anti-vandal 16mm Push Button Switch (L16 Series)

    Anti-vandal 16mm Push Button Switch (L16 Series)

    DescriptionApplicationsFunctionsOrder CodeTechnical DataDescriptionsActuator/Panel CutoutIlluminated OptionsDimensionFAQ

    Anti-vandal 16mm Push Button Switch (L16 Series)

    The L16 Series anti-vandal 16mm push button switch is available with ingress protection ratings of IP40 (non-water resistant) or IP67 (dust and water resistant) while having a long life expectancy. It is meant for mounting in a panel cutout of 16mm in diameter. LED illumination options include a dot or ring, with a bi-color option available. They also come with a black anodized finish option.

    • Non-sealed (IP40) and sealed (IP67) options
    • 16mm diameter panel cutout
    • Dot and ring illumination options available
    • 1 or 2 poles; maintained (latching), momentary pushbuttons

    Applications

    • Kiosk and ticket dispensers
    • Industrial controls
    • Medical equipment
    • Security devices
    • Audio/visual
    • Electrical housewares

    Functions

    l19a anti vandal switch functions

    Order Code

    l16 anti vandal switch code

    Notes:

    * Base voltage on LEDs: 1.8V @ 20mA for Red, Yellow and Orange LED colors / 2.8V @ 20mA for Blue, Green and White LED colors

    Technical Data

    Type L16-F L16-F-R L16-F-D
    Illuminated Options Non-Illuminated Ring Illuminated Dot Illuminated
    Max. Panel Thickness: 0.394″ (10.0mm)
    Terminal Solder lug (2.8 x 0.5)
    Max. Switch Rating Ith: 5A Ui: 250VAC
    Contact Resistance ≤50mΩ
    Insulation Resistance ≥1000mΩ
    Dielectric Strengh 2000VAC
    Operation Temp. -20°C ~ +55°C
    Mechanical Life 1,000,000cycles
    Electrical Life >50,000cycles
    Contact Material Silver Alloy
    Torque 5 ~ 14Nm
    Operation Pressure approx. 3 ~ 8N
    Protection IP65/ IK10
    Material Actuator Stainless Steel/ Anodized Aluminum
    Body Stainless Steel/ Anodized Aluminum
    Base PA
    Color Type LED (ratings @ 20mA)
    Color Red Yellow Orange Green Blue White
    Luminous Intensity (mcd) 160 200 150 520 220 2000
    Forward Volatge 1.8~2.6 2.8~3.6
    Illumination Voltage no suffix No resistor fitted. An appropriate resistor must be series connected by the user. Voltages as above.
    3.3V/ 6V/ 12V/ 24V/ 36V/ 110V/ 230V
    Life Approx. 40, 000hours

    Descriptions

    l16 anti vandal switch descriptions

    Notes:

    C = Common
    NO = Normally open
    NC = Normally closed

    Terminals (-) and (+) used with Illum. option only

    Actuator Options & Panel Cutout

    l16 anti vandal switch actuator panel cutout

    Illuminated Options

    l16 anti vandal switch illum options

    Dimension

    l16 anti vandal switch dimensions

    FAQs

    An anti-vandal 16mm push button switch is a durable and compact switch designed to resist tampering and physical abuse. It features a 16mm button size and is available in IP40 (non-sealed) and IP67 (sealed) options, with dot or ring LED illumination for clear status indication.

    The L16 features IP67-rated sealing for dust and water resistance, stainless steel or anodized aluminum construction with IK10 impact protection, and an operating temperature range of -20°C to +55°C. The mechanical life rating of 1,000,000 cycles ensures long-term reliability.

    With IK10 anti-vandal rating, robust stainless steel actuator, and tamper-resistant design, the L16 prevents damage from deliberate abuse. The compact 16mm panel cutout and multiple illumination options suit kiosks, ticket dispensers, and security devices.

    Yes. The L16 supports both momentary and maintained (latching) operation, with 1 or 2 pole configurations available.

    The L16 accommodates panel thicknesses up to 0.394 inches (10.0mm). The threaded bushing design with 5~14Nm torque rating ensures secure mounting.

    Yes. Manufactured under ISO9001 and ISO14001 certified quality systems, with CE certification, RoHS and REACH compliance. Each switch undergoes 2000VAC dielectric strength testing.

    Kiosk and ticket dispensing, industrial controls, medical equipment, security devices, audio/visual equipment, and electrical housewares.

    The L16 operates reliably from -20°C to +55°C. Silver alloy contacts and polycarbonate lens maintain performance across this range.

    Yes. Available in SPST and DPDT with 1 or 2 poles. Switch rating: Ith 5A, Ui 250VAC. LED voltages: 3.3V, 6V, 12V, 24V, 36V, 110V, 230V.

    Yes. Custom actuator style (flat/raised), terminal type, LED color (Red, Yellow, Orange, Green, Blue, White) with bi-color options, anodized finishes, and laser-etched symbols available.

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  • 25mm Piezo Switch

    25mm Piezo Switch

    DescriptionKey FeaturesTechnical DataAdvantagesMechanics

    Description

    These piezoelectric sensor switches are part of the PZ series including models with dia. 12. 16, 19, 22, 25 or 30mm bushing. Sealed to IP68 or IP69K, easy to clean metal surface, long life (50 million cycles), ring illumination, custom configurations. Get A Quote

    Key Features

    • Easy to clean metal surface
    • Long life (50 million cycles)
    • Ring or Dot illumination
    • Sealed to IP68 or IP69K (switch mounted on panel)

    Technical Data

    Electrical Data
    FunctionsMomentary / Latching
    Contact ArrangementSPST N.O. / SPST N.C.
    Pulse Duration 125 – 300mS
    Voltage1 – 24V AC/DC
    Switching Current0.2A /1A
    Rated Breaking Capacity1W
    Operating Cycles>50,000,000
    Switch Resistance OFF> 5 M
    Switch Resistance ON< 20
    Capacity30pF
    Contact ConfigurationFree polarity
    IlluminationNon-illum./ Illum.
    Mechanical Data
    MaterialAluminium 6061 T651/ Stainless Steel 316L
    Actuating Force3 – 5N
    ConnectionWires
    Actuating Travel0.002mm
    Shock ProtectionIK 06
    Fastening Torque2.5Nm
    Anodize ColorsGold / Red / Blue / Black / Green / Natural
    Environmental Data
    Operating Temperature-40°C to 75°C std.
    IP ProtectionIP69K (front and back)

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  • 22mm Piezo Switch

    22mm Piezo Switch

    DescriptionKey FeaturesTechnical DataAdvantagesFrequently Asked Questions

    Description

    The Piezo waterproof push button switch is part of the PZ series including models with dia. 12. 16, 19, 22, 25 or 30mm bushing. Sealed to IP68 or IP69K, easy to clean metal surface, long life (50 million cycles), ring illumination, custom configurations. Get A Quote

    Key Features

    • Easy to clean metal surface
    • Long life (50 million cycles)
    • Ring or Dot illumination
    • Sealed to IP68 or IP69K (switch mounted on panel)

    Technical Data

    Electrical Data
    Functions Momentary / Latching
    Contact Arrangement SPST N.O. / SPST N.C.
    Pulse Duration 125 – 300mS
    Voltage 1 – 24V AC/DC
    Switching Current 0.2A /1A
    Rated Breaking Capacity 1W
    Operating Cycles >50,000,000
    Switch Resistance OFF > 5 MΩ
    Switch Resistance ON < 20 Ω
    Capacity 30pF
    Contact Configuration Free polarity
    Illumination Non-illum./ Illum.
    Mechanical Data
    Material Aluminium 6061 T651/ Stainless Steel 316L
    Actuating Force 3 – 5N
    Connection Wires
    Actuating Travel 0.002mm
    Shock Protection IK 06
    Fastening Torque 2.5Nm
    Anodize Colors Gold / Red / Blue / Black / Green / Natural
    Environmental Data
    Operating Temperature -40°C to 75°C std.
    IP Protection IP69K (front and back)

    Advantages

    As a leading waterproof push button switch supplier, Langir offers Piezo switches with solid-state output, ensuring a lifespan of over 50 million cycles. Ideal for demanding applications, these switches feature a fully sealed flat actuation surface, preventing liquid or contaminant intrusion, making them perfect for medical and food-processing environments. With high-performance IP68 and IP69K sealing from one-piece construction, no external power supply is needed. The screw-machined metal housing and Langir’s vertical integration enable the production of various shapes.

    Frequently Asked Questions

    A piezo waterproof push button switch is a type of switch that uses a piezoelectric material to generate an electrical signal when pressure is applied to the button. It is designed to be waterproof, meaning it can be used in environments where moisture or liquids may be present without causing damage.

    The switch contains a piezoelectric element that converts mechanical pressure into an electrical signal. When the button is pressed, it deforms the piezoelectric material, generating a voltage. This voltage can be used to trigger a circuit or control a device.

    Piezo waterproof push button switches offer several advantages, including:

    Waterproof and moisture-resistant, making them suitable for use in outdoor or wet environments.
    Durable and long-lasting, with no mechanical parts that can wear out.
    Vandal-resistant, as they are difficult to damage or tamper with.
    Can be used in a wide range of temperatures.
    No audible click or noise when pressed, making them suitable for quiet environments.

    These switches are commonly used in various applications, such as industrial control panels, medical equipment, marine electronics, automotive dashboards, outdoor equipment, and more. Their waterproof and durable nature makes them ideal for environments where moisture, dust, or vandalism may be a concern.

    Yes, many manufacturers offer customization options for these switches, such as different colors, shapes, sizes, and even custom markings or labels. It’s best to check with the specific manufacturer or supplier for available customization options.

    Yes, these switches are designed to be compatible with standard electrical systems and can be easily integrated into existing circuits or devices. They typically have standard electrical terminals or connectors for easy installation.

    Yes, they are safe to use when installed and used according to the manufacturer’s instructions. However, it is always important to follow proper safety practices and consult with a professional if you have specific safety concerns or requirements.

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  • Low Profile High Current Anti-Vandal Switch

    Low Profile High Current Anti-Vandal Switch

    DescriptionKey FeaturesSpecificationsOrder CodeDimension

    Description

    L16D, L19D for Low Profile High Current Anti-Vandal Switch available with LED illumination and engraving, protection IP67 / IK09 and Max. 20A 205VAC. is perfect for Marine and Automation. Langir offers attractive, robust and durable switch, available with different actuator shapes.

    Key Features

    • 16 or 19mm diameter panel cutout
    • Max. 20A current
    • Multiple function options
    • Ring or power symbol illumination available
    • Pin and Screw optionsIP67 rated
    • Soldered wire leads (300mm long) optional

    Specifications

    • Electrical Rating: 16A, 250VAC (20A24VDC)
    • Mechanical Life: 500,000 Cycles
    • Electrical Life: 50,000 Cycles
    • Contact Resistance: 50mΩ Max.
    • Insulation Resistance: 1500 MΩ /500V.DC 1Min.
    • Dielectric Strength: 2,000VAC
    • Operating/Storage Temperature: -20°C to 55°C
    • Travel: 3.50mm
    • Moisture Protection: IP67
    • Actuation Force: 4N
    • Panel Thickness: 1-5mm
    • Mounting Nut Torque: 5-14Nm

    Order Code

    Low Profile High Current Anti-Vandal Switch

    NOTES:

    Base voltage on LEDs:

    • 1.8V @ 20mA for Red, Yellow and Orange LED colors
    • 2.8V @ 20mA for Blue, Green and White LED colors

    Dimension

    L16D Low Profile High Current Anti-Vandal Switch

    L16D Low Profile High Current Anti-Vandal Switch

    L16D Low Profile High Current Anti-Vandal Switch

    L16D Low Profile High Current Anti-Vandal Switch

    L16D Low Profile High Current Anti-Vandal Switch

    L19D Low Profile High Current Anti-Vandal Switch

    L19D Low Profile High Current Anti-Vandal Switch

    L19D Low Profile High Current Anti-Vandal Switch

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  • Flexible Light Pipes

    Flexible Light Pipes

    Description

    Flexible light pipes, also known as flexible light guides, are specialized components used to transmit light from mounted LEDs to various interface points. Ideal for environments where light must navigate around obstacles such as PCBs, these components are designed to move light over longer distances while providing electrostatic discharge (ESD) protection to sensitive components. They are utilized in diverse applications from automotive to healthcare, making them versatile solutions for indicating systems in complex electronic assemblies.

    Key Features

    Material Versatility and Durability:

    Constructed from high-grade optical fibers or clear silicone, ensuring minimal light loss and resistance to harsh environmental conditions including UV and IR radiation.

    Design and Installation:

    Easy to install, these light pipes can be bent or twisted to fit tight spaces and complex pathways. They come with many mounting and LED options to seamlessly integrate into existing designs.

    Optical Excellence:

    Enhances the apparent brightness of PCB mounted LEDs and provides an excellent optical appearance, effectively bringing indication to the front panel at a cost-effective rate.

    Customization and Flexibility:

    Available in various diameters and lengths with customizable ends to cater to specific design needs. Options include surface mount or through-hole configurations, moisture-sealed designs, and multiple lens caps.

    Long-Distance Light Transmission:

    Offers jacketed fiber optic systems that mount directly onto PCBs, suitable for both SMD and Through-Hole LED systems.

    Frequently Asked Questions

    They are extensively used in sectors like audio/video, entertainment, security, industrial controls, medical devices, transportation, and IoT applications, particularly where precise light routing is essential.

    By increasing the brightness and visibility of LEDs on user interfaces and providing essential protection against electrostatic discharge, enhancing both the functionality and longevity of electronic devices.

    Yes, flexible light pipes can be tailored in terms of both optical fiber diameter and length based on specific flexibility and luminosity requirements, ensuring optimal performance for various applications.

    Flexible light pipes are compatible with both SMD and Through-Hole LED systems, providing versatile options for different mounting and operational needs in electronic designs.

    SMD (Surface-Mount Device) LED Systems consist of LEDs mounted directly on the surface of circuit boards, ideal for space-sensitive applications due to their compact size. Through-Hole LED Systems feature LEDs with leads that go through the circuit board and are soldered on the other side, offering better durability and suited for applications requiring higher brightness and power handling.

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  • Anti-vandal 30mm Push Button Switch

    Anti-vandal 30mm Push Button Switch

    Description

    The L30 Series is an anti-vandal 30mm push button switch with a flat actuator, solder lug termination, and multiple switch functions. Available as non-illuminated or the option of ring or center dot illumination, the L30 Series offers multiple LED color options, including several bi-color choices and illumination voltage options. The L30 switch is rated IP65 for dust and moisture protection and has a mechanical life of a million cycles. It comes with SPDT or DPDT contact arrangement options and provides 2.8mm of travel. These anti-vandal push button switches are also available with wire leads to shorten installation time. Get A Quote

    Key Features

    • IP65 rated for dust and moisture protection
    • Dot or ring illumination options available
    • SPDT or DPDT; multiple switch functions available
    • Multiple illumination voltage options

    Applications

    • Kiosks and ticket dispensers
    • Security devices
    • Audio/visual devices
    • Industrial controls
    • Electrical housewares
    • Medical equipment

    Order Code

    L30 Series Illuminated, Sealed Anti-vandal Switch
    NOTES: Base voltage on LEDs: 1.8V @ 20mA for Red, Yellow and Orange LED colors 2.8V @ 20mA for Blue, Green and White LED colors

    Illum. Options

    L30 Series Illuminated, Sealed Anti-vandal Switch

    Schematics

    Schematic

    Dimension

    L30 Series Illuminated, Sealed Anti-vandal Switch

    Frequently Asked Questions

    The L30 anti-vandal switch is a 30mm push button switch designed for high-durability and security. With its sealed construction and illumination options, it is ideal for use in industrial, commercial, and public-facing applications that require both functionality and protection against tampering or physical damage.

    It features a stainless steel housing and is designed to resist impacts, water, and dust. Its robust build ensures reliability in demanding environments such as public transportation, ticket machines, kiosks, and industrial control panels, where tampering and vandalism are concerns.

    It’s designed to withstand physical abuse, offering long-term reliability in high-traffic public spaces. Its illumination feature provides clear visibility, and its tamper-resistant design helps protect against vandalism, making it perfect for environments like elevators, vending machines, and ticketing systems.

    Yes, Langir offers customization for them. You can choose from various actuator colors, illumination options, and sealing configurations to suit your specific needs. This makes them adaptable to a wide range of projects and industries.

    It’s ideal for industries that require durable and secure switches, such as transportation (e.g., train stations, airports), retail (e.g., vending machines, kiosks), industrial (e.g., control panels), and public services (e.g., elevators, parking machines). Its rugged design makes it a versatile choice across various sectors.

    Yes, it’s ideal for industrial applications. Its anti-vandal design, durability, and IP67 rating ensure it can withstand tough conditions such as exposure to dust, moisture, and physical impact, making it reliable for factory settings, control panels, and outdoor machinery.

    It offers superior durability compared to smaller switches. Its larger size allows for more robust construction, and it is better equipped to handle vandalism, physical impacts, and exposure to harsh weather conditions, making it a preferred choice for high-traffic areas.

    As a manufacturer, Langir provides competitive pricing for bulk orders and can work with you to customize the switch for your specific needs. Contact us for more details or to place an order.

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  • Anti-vandal 40mm Push Button Switch

    Anti-vandal 40mm Push Button Switch

    DescriptionKey FeaturesApplicationsIllum. OptionsSchematicsOrder CodeDimensionsFAQ

    Description

    The L40 Series is an anti-vandal 40mm push button switch with a flat actuator, solder lug termination, and multiple switch functions. Available as non-illuminated or the option of ring or center dot illumination, the L40 Series offers multiple LED color options, including several bi-color choices and illumination voltage options. The L40 switch is rated IP65 for dust and moisture protection and has a mechanical life of a million cycles. It comes with SPDT or DPDT contact arrangement options and provides 2.8mm of travel. Get A Quote

    Key Features

    • IP65 rated for dust and moisture protection
    • Dot or ring illumination options available
    • SPDT or DPDT; multiple switch functions available
    • Multiple illumination voltage options

    Applications

    • Kiosks and ticket dispensers
    • Security devices
    • Audio/visual devices
    • Industrial controls
    • Electrical housewares
    • Medical equipment

    Illum. Options

    Schematics

    Order Code

    Dimensions

    FAQ

    It’s a 40mm push button switch designed for high-performance, durability, and visibility. It features a robust stainless steel housing, illumination for visibility in low-light environments, and is ideal for use in outdoor, industrial, and high-traffic public areas.

    It’s built with a stainless steel body and an IP67-rated sealing that protects it from dust, water, and physical damage. These features make it highly durable and suitable for applications where the switch is exposed to potential tampering or environmental stress.

    The illumination feature of the L40 push button switch makes it highly visible, even in low-light or dark environments. This enhances user experience and is particularly useful for public-facing applications like kiosks, elevators, and emergency systems where visibility is essential.

    The L40 Series stands out due to its 40mm size, which provides a larger and more ergonomic button for users. Combined with its anti-vandal features, stainless steel construction, and optional illumination, it offers superior durability and visibility compared to smaller, standard push button switches.

    It’s ideal for industries such as transportation (e.g., airports, train stations), retail (e.g., vending machines, self-service kiosks), public services (e.g., emergency call systems, parking meters), and industrial applications where durability, visibility, and reliability are crucial.

    It’s designed to resist physical damage and tampering, making it perfect for high-security public spaces. Its stainless steel construction and IP67 rating ensure that it remains functional and secure, even in environments prone to vandalism or harsh conditions.

    It has a long lifespan of up to 1 million actuations, ensuring that it will perform reliably for years, even in high-traffic areas. Its rugged design and durable materials also contribute to a long service life, minimizing the need for replacements.

    Yes, Langir offers customization for them, including options for different illumination colors, actuator types, and sealing configurations. This allows you to tailor the switch to your specific application needs and aesthetic preferences.

    As a direct manufacturer, Langir provides competitive pricing for bulk orders and can work with you to customize the switches to meet your specific requirements. Contact us for more details or to place an order.

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  • Anti Vandal Toggle Switch

    Anti Vandal Toggle Switch

    Description

    Langir’s toggle switches are robust manual switching devices, widely used in automotive, marine, and industrial applications. These switches are celebrated for their straightforward, reliable operation, and are available with a variety of LED options including ring illumination, enhancing their visibility and aesthetic appeal.

    Key Features

    • Material Options: Constructed from durable materials such as nylon and metal, suitable for various environmental conditions.
    • Advanced Sealing: Options for IP67-rated sealed units, ensuring protection against moisture and dust, ideal for harsh environments.
    • Design Flexibility: Available in anti-vandal designs, with multiple actuator styles including options for soldered wire leads up to 500mm long.
    • Functional Diversity: Offers a range from simple on-off to complex multi-position configurations like DPDT, with additional features such as safety covers to prevent accidental activation.

    Specifications

    Electrical Rating10A 250VAC
    Mechanical Life200,000 Cycles
    Electrical Life6,000 Cycles
    Contact Resistance≤50mΩ Max.
    Insulation Resistance≥100MΩ Max.
    Dielectric Strength2,000VAC
    Operating Temperature-20°C to 55°C
    Moisture ProtectionIP67
    Actuation Force4N
    Panel Thickness1-10mm
    Mounting Nut Torque5-14Nm

    Order Code

    Anti vandal toggle switch

    Dimensions

    LT19 Anti vandal toggle switch

    LT19 Anti Vandal Toggle Switch

    LT22 Anti vandal toggle switch

    LT22 Anti Vandal Toggle Switch

    Frequently Asked Questions

    Toggle switches are essential electrical components used to control the flow of electricity. By utilizing a lever or handle that can be flipped up or down, toggle switches allow manual activation or deactivation of devices and circuits. These switches employ a mechanical mechanism to physically alter the position of internal metal contacts, regulating the electrical current. With different positions of the contacts, toggle switches determine whether they are in an “on” or “off” state, facilitating the connection or disconnection of specific circuits. The term “toggle” originates from a small wooden rod used as a clothing fastener, and it aptly describes the switch’s lever, resembling the toggle’s function in garments. Explore the versatility of toggle switches as they provide a convenient means to control electrical circuits by simply manipulating their operating lever.

    LED-equipped toggle switches offer enhanced visibility with options for ring illumination, making them suitable for low-light conditions and adding a modern touch to the equipment interface.

    Yes, many toggle switches are designed with IP67 ratings, making them dust-tight and capable of withstanding temporary immersion in water, ideal for outdoor or marine use.

    Absolutely, toggle switches come with various customization options including different LED colors, actuator styles, and wire configurations to meet specific operational requirements.

    Anti-vandal toggle switches are designed to resist tampering and physical damage, making them ideal for public or high-usage environments where security and durability are concerns.

    Multi-position toggle switches allow for more control options within a single switch, facilitating complex operations and reducing the need for multiple switches, which can save space and simplify user interfaces.

    Soldered wire leads provide a secure and durable connection, minimizing the risk of disconnection or electrical failure, especially in environments where vibrations or frequent movements are common. This feature is particularly valuable in industrial and automotive settings.

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  • Independently Operated Piezo Switch

    Independently Operated Piezo Switch

    DescriptionKey FeaturesTechnical DataWiring DiagramsFrequently Asked Questions

    Description

    Experience reliability at its finest with our independently operated piezo switch. With a solid-state output and a lifespan exceeding 50 million cycles, it’s perfect for demanding applications. Its closed, flat actuation surface ensures resistance against liquids and contaminants, making it ideal for medical and food-processing industries. Achieving high-performance sealing (IP68 and IP69K) through its one-piece construction, this switch guarantees durability. Equipped with photocouplers photo relay outputs, it offers seamless integration. Upgrade your electronics with our trustworthy independently operated piezo switches today. Get A Quote

    Key Features

    • Langir’s independently operated piezo switch is based on a solid-state output allowing for a very long life expectancy (more than 50 million cycles), ideal for demanding applications where reliability is most important.
    • The flat actuation surface is completely closed, preventing the intrusion of liquids or other contaminants, perfect for surface cleaning required in the medical and food-processin
    • High performance sealing (IP68 and IP69K) is achieved due to the one-piece construction of the switch.
    • Outputs are independently powered and polarity insensitive
    • Outputs use photocouplers photorelay, Max.:60V 550mA

    Technical Data

    Electrical Data
    Functions Momentary / Latching
    Contact Arrangement SPST N.O. / SPST N.C.
    Pulse Duration 125 – 300mS
    Voltage 5 – 60V DC
    Switching Current 400mA
    Rated Breaking Capacity 1W
    Operating Cycles >50,000,000
    Switch Resistance OFF > 5 MΩ
    Switch Resistance ON < 20 Ω
    Capacity 30pF
    Contact Configuration Free polarity
    Illumination Non-illum./ Illum.
    Mechanical Data
    Material Aluminium 6061 T651/ Stainless Steel 316L
    Actuating Force 3 – 5N
    Connection Wires
    Actuating Travel 0.002mm
    Shock Protection IK 06
    Fastening Torque 2.5Nm
    Anodize Colors Gold / Red / Blue / Black / Green / Natural
    Environmental Data
    Operating Temperature -40°C to 75°C std.
    IP Protection IP69K (front and back)

    Wiring Diagrams

    Independently Controlled Piezo Switches

    Frequently Asked Questions

    Langir’s independently operated piezo switch is a high-performance electronic switch that uses piezoelectric technology for activation. It is designed to operate independently, providing reliable, durable, and long-lasting solutions for various industrial and commercial applications.

    It operates by detecting pressure through a piezoelectric sensor. When the push button is pressed, the switch generates an electric charge that activates the system. This technology eliminates mechanical parts, enhancing the switch’s lifespan and reliability.

    Langir is a trusted B2B manufacturer of high-quality piezo switches, specializing in customizable solutions for industrial, automotive, and consumer electronics applications. Our independently operated piezo switches are engineered for durability, ease of use, and superior performance, backed by our extensive industry expertise.

    Langir’s piezo switches are widely used in industries such as automotive, medical devices, consumer electronics, industrial machinery, and home appliances. Their versatility and high durability make them ideal for applications in both harsh and sensitive environments.

    Unlike mechanical switches, Langir’s piezo switches contain no moving parts. This results in a longer operational life, fewer breakdowns, and less maintenance. They are more reliable in high-use or demanding environments and are resistant to wear, dirt, and moisture.

    As a B2B manufacturer, Langir offers extensive customization options for our piezo switches. You can customize the size, shape, color, pressure sensitivity, and even the activation force to match your specific requirements. Contact us for more details on custom solutions.

    They are designed for high durability. With a lifespan of over 10 million actuations and resistance to environmental factors such as dust, moisture, and extreme temperatures, these switches provide long-term, maintenance-free performance.

    Yes, they are built to withstand harsh outdoor environments. They are dustproof, waterproof, and resistant to extreme temperatures, making them perfect for outdoor, industrial, and automotive applications where durability is critical.

    As a direct manufacturer, Langir offers competitive lead times for large and small orders. Depending on customization and order volume, typical lead times range from 1 to 2 weeks. We also offer expedited shipping for urgent projects.

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