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The Siemens 5SJ4104-8HG40 is a 1-pole miniature circuit breaker (MCB) from the 5SJ4 series. It is rated for 4A with a D tripping characteristic, designed to protect circuits against overloads and short circuits. The breaker is rated for 240V AC operation and offers a breaking capacity of 14kA.
This MCB features a rated insulation voltage of 440V AC and a rated supply voltage of 400V AC at 50Hz. It is suitable for overvoltage category III and pollution degree 3 environments. The mechanical service life is 10,000 switching cycles.
The device is UL 489 and CSA C22.2 No. 5-02 certified for 120V AC and 60V DC operation. It is designed for DIN rail mounting and is commonly used in industrial and commercial distribution panels.
The rated current is 4A.
It has a D tripping characteristic.
The mechanical service life is 10,000 switching cycles.
The rated insulation voltage is 440V AC.
Overvoltage category 3 and pollution degree 3.