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This Siemens 5SJ4205-7HG42 is a 2-pole miniature circuit breaker designed for reliable circuit protection in industrial and mechanical engineering applications. It features a C-curve tripping characteristic and a rated current of 0.5A at 30°C, with a maximum AC operating voltage of 277V according to UL 489 and CSA C22.2 No. 5-02 standards. The breaker offers a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2.
Constructed with halogen-free materials, this circuit breaker ensures safety and environmental compliance. It supports a wide range of conductor cross-sections, from 0.75 mm² to 25 mm², with a maximum tightening torque of 3.5 N·m. The unit has a mechanical service life of typically 10,000 switching cycles and is suitable for environment B regarding EMC.
Designed for easy installation, the 5SJ4205-7HG42 mounts directly onto a standard DIN rail. Its compact dimensions (36mm width, 70mm depth) and modular design make it suitable for space-constrained electrical panels. The breaker also features touch protection and is sealable for added security.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated current is 0.5A at 30°C, 40°C, and AC.
It has 2 poles.
The switching capacity is 10kA according to EN 60898 and 15kA according to IEC 60947-2.
The rated supply voltage at AC is 400V.
The tripping characteristic is Class C.
Yes, the product feature is halogen-free.