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The Siemens 5SJ4311-8HG41 is a 3-pole miniature circuit breaker from the 5SJ4 series, designed for industrial and mechanical engineering applications. It offers a rated operational current of 5A at 40°C and a maximum AC operating voltage of 240V according to UL 489 and CSA C22.2 No. 5-02.
This circuit breaker has a tripping characteristic class D and a short circuit breaking capacity of 14kA according to UL 1077 and CSA C22.2 No.235. It is suitable for installation in environment B regarding EMC. The device features a mechanical service life of typically 10,000 switching cycles and is designed for DIN rail mounting.
Key electrical specifications include an insulation voltage (Ui) of 440V AC, a supply voltage of 400V AC at 50Hz, and a switching capacity current of 10kA according to EN 60898 and 15kA according to IEC 60947-2. The power loss per pole at rated current and hot operating state is 2.5W.
Mechanical dimensions are 110mm in height, 54mm in width, and 70mm in depth, with an installation depth of 70mm. It occupies 3 modular width units. The device supports conductor cross-sections from 0.75mm² to 25mm² for finely stranded conductors with core end processing, with a maximum tightening torque of 3.5 N·m for screw-type terminals. It also features touch protection and is sealable and silicon-free.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Siemens 5SJ4311-8HG41 has 3 poles.
The operational current rating for the 5SJ4311-8HG41 is 5A at 30°C and 40°C.
The maximum AC operating voltage according to UL 489 and CSA C22.2 No. 5-02 is 240V.
The short circuit breaking capacity at AC according to UL 1077 and CSA C22.2 No.235 is 14kA.
The 5SJ4311-8HG41 is designed for DIN rail mounting.
The tripping characteristic class is D.