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This Siemens 5SJ4 miniature circuit breaker is a 1-pole device suitable for mechanical engineering and industrial applications. It operates with a rated supply voltage of 400V AC and features a D-curve tripping characteristic.
The breaker has a mechanical service life of 10,000 switching cycles and a short circuit breaking capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. 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.
Designed for DIN rail mounting, this circuit breaker has a compact width of 18 mm and an installation depth of 70 mm. It offers touch protection and is sealable for added security. The device is halogen-free and silicon-free, contributing to environmental safety.
Key electrical specifications include an insulation voltage of 440V AC and operational currents rated up to 40A at 30°C, with derated values at higher temperatures. It is suitable for environments with immunity to interference not applicable.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 40A at 30°C.
The rated supply voltage is 400V AC, and the insulation voltage is 440V AC.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
The tripping characteristic class is D.
It is designed for mounting on a standard DIN rail.
Yes, the product feature indicates it is halogen-free.