A DIN rail or top-hat rail is a standardized 35 mm wide metal rail with a hat-shaped cross-section. It is suitable for mounting circuit breakers and industrial control equipment inside equipment racks. It makes installing or removing terminal blocks and other devices quick and easy. In steel or aluminum, It is available in a variety of widths and heights that meet international standards. It brackets are straight or angled to tilt and/or raise rails for easy wiring. Mounting clips attach to small devices for easy installation on 35mm DIN rails.
In addition to the popular 35 mm x 7.5 mm top-hat rail (EN 50022, BS 5584, DIN 46277-3), several less widely used types of mounting rails have been standardized.
- Miniature top-hat, 15 mm x 5.5 mm (EN 50045, BS 6273, DIN 46277-2);
- 7.5 mm wide top-hat rail (EN 50023, BS 5585);
- G-type (EN 50035, BS 5825, DIN 46277-1).
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