L22B High Current Explosion Proof Switch

The high current explosion proof switch offers an attractive, robust and durable switch, available with different bushing diameters(12 ~25mm), actuator shapes, available with LED illumination and engraving, Protection IP65 / IK09.

This explosion proof switch features an easy clean, aesthetic look for high-end products, and also comes in a black anodized finish. It’s popular for use in kiosk applications, ticket dispensers and industrial-type applications.

  • Long life, high reliability
  • Anti-Vandal IK09/ Sealed IP65
  • Illuminated and Non-Illuminated
  • Contact type: SPDT (NO+NC), SPST (NO), SPST (NC)
  • Big range current: 3A 5A 8A 10A (15A) 16A 20A (21A)
  • Snap action, compact design, suit for small space

L22B High Current Explosion Proof Switch

L22B High Current Explosion Proof Switch

Key Features of Explosion Proof Switch

Protection: Durable, Explosion-Proof, Waterproof, Dust-Proof
Feature: Flat
Wiring: Solder Lug
Principle: Resistive
Application: Home Appliance, Electronics, Lighting, Industrial, Apartment/Villa, Hotel, Commercial, Home
Type: Normal Open
Control Button, Reset Button, Control Switch
ISO9001, CE, CCC, Reach, RoHS
Single-pole on-off Switch


functions of L22B High Current Explosion Proof Switch

Order Code

L22B High current anti vandal switch

* 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 L22B-F L22B-F-R L22B-F-D
Illum. Options Non-Illuminated Ring Illuminated Dot Illuminated
Max. Panel Thickness 0.394″ (10.0mm)
Terminal Quick connect terminal (4.75 x 0.5 and 6.30 x 0.5)/ Screw
Max. Switch Rating 3A 5A 8A 10A 15A(16A) 20A(21A)/ 250VAC, 125VAC 0.6A/ 125VDC 0.3A/ 250VDC
Contact Resistance ≤25mΩ
Insulation Resistance ≥100mΩ
Dielectric Strengh Between non-consecutive terminals 1,000Vrms, 50/60Hz for 1min
Between non-current carrying metal parts and each terminal 1,500Vrms, 50/60Hz for 1min
Between ground and each terminal 1,500Vrms, 50/60Hz for 1min
Shock Resistance Detruction:O.F.>0.5N: 1000m/s2 (approx. 100g), O.F.≤0.5N: 400m/s2 (approx. 40g)
Malfunction:O.F.>0.5N: 200m/s2 (approx. 20g), O.F.≤0.5N: 100m/s2 (approx. 10g)
Vibration Resistance 10 – 50Hz, 1.5mm Double Amplitude
Operation Temp. -25℃ ~ +85℃
Mechanical Life 2,000,000cycles
Electrical Life >50,000cycles
Contact Material Silver Alloy
Torque 5 ~ 14Nm
Operation Pressure approx. 10N
Protection IP65/ IK09
Material Actuator Stainless Steel
Body Stainless Steel
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
Illum. Voltage no suffix No resistor fitted. An appropriate resistor must be series connected by the user. Voltages as above.
6V/ 12V/ 24V/ 36V/ 110V/ 230V
Life Approx. 40, 000hours


L22B High current anti vandal switch

Panel cutout & Illuminated options

L22B High current anti vandal switch


demensions of L22B High Current Explosion Proof Switch


L22B High current anti vandal switch



Q1: What is an explosion proof switch and where is it commonly used?

A: An explosion proof switch is designed to prevent sparks or ignition in hazardous environments. It’s commonly used in industries such as oil and gas, chemical, and manufacturing.


Q2: What is the significance of a high current switch in industrial applications?

A: High current switches are crucial for managing heavy electrical loads in industrial settings, ensuring safe and efficient operation of equipment.


Q3: How does the L22B explosion proof switch from Langir ensure safety?

A: The L22B switch is built to withstand explosive environments, featuring robust construction and materials that prevent ignition sources.


Q4: Can the L22B high current switch handle varying load requirements?

A: Yes, the L22B switch is designed to manage high electrical currents, making it suitable for applications with varying load demands.


Q5: What industries benefit from using explosion proof high current switches?

A: Industries dealing with flammable gases, vapors, or combustible dust, such as petrochemical, mining, and pharmaceutical, benefit from the safety provided by explosion proof switches.


Q6: Is the L22B explosion proof switch certified for hazardous environments?

A: Yes, the L22B switch is likely certified by relevant authorities, ensuring its compliance with safety standards for explosive atmospheres.


Q7: What are the advantages of Langir’s L22B explosion proof switch over conventional switches?

A: Langir’s L22B switch offers enhanced safety measures, durability, and the capability to handle high currents, making it ideal for demanding environments.


Q8: How do I select the right explosion proof switch for my specific application?

A: Consider factors such as the type of hazardous environment, the required current capacity, and certifications when choosing an explosion proof switch. Langir’s experts can guide you.

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Applications / Markets:

Car Controls

Industrial Controls

Yacht Controls


Parking Devices

Electrical Housewares

Security Devices


Audio Visual

Medical Equipment

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