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This Siemens 5SJ43458HG41 is a 3-pole miniature circuit breaker designed for industrial and mechanical engineering applications. It offers a rated operational current of 45A at AC and a switching capacity of 10kA according to EN 60898 standards.
The circuit breaker features a D tripping characteristic and a mechanical service life of 10,000 switching cycles. It is suitable for environments with specific EMC considerations and has an insulation voltage of 440V AC. The device is designed for DIN rail mounting and includes touch protection.
Key electrical specifications include a rated supply voltage of 400V AC and operating voltages up to 240V AC (UL 489) or 60V DC. It supports conductor cross-sections from 0.75 mm² to 25 mm² with core end processing. The unit dimensions are 110mm height, 54mm width, and 70mm depth, with an installation depth of 70mm.
Additional features include halogen-free construction and sealability. The tightening torque for screw terminals is a maximum of 3.5 N·m. This breaker is part of the Siemens SENTRON 5SJ4 series.
| 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 45A at AC.
The switching capacity is 10 kA according to EN 60898.
It has 3 poles.
It is designed for DIN rail mounting.
The tripping characteristic is Class D.
The maximum operating voltage at AC according to UL 489 and CSA C22.2 No. 5-02 is 240 V.
Yes, the product feature indicates it is halogen-free.