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This Siemens 5SJ4101-8HG40 is a 1-pole miniature circuit breaker designed for reliable circuit protection. It features a D-trip characteristic and an operational current rating of 1A at 30°C, with a maximum switching capacity of 14kA according to UL 1077.
The breaker operates with AC/DC voltage and has a rated insulation voltage of 440V. The supply voltage at AC is rated for 400V, with an operating voltage of up to 120V AC according to UL 489 and CSA C22.2 No. 5-02, and a maximum DC operating voltage of 60V.
Designed for mechanical engineering and industrial applications, it offers touch protection and is sealable. The unit mounts on a standard DIN rail and has dimensions of 90mm height, 18mm width, and 70mm depth, with an installation depth of 70mm. It is halogen-free and silicon-free.
Key electrical specifications include a switching capacity current of 10kA according to EN 60898 and 15kA according to IEC 60947-2. The power loss per pole in a hot operating state is 1.5W. Connectable conductor cross-sections for fine-stranded wires with core end processing range from 0.75mm² to 25mm².
The rated operational current is 1 A at 30 °C and 40 °C.
It has a D tripping characteristic.
The breaking capacity is 14 kA according to UL 1077, 15 kA according to IEC 60947-2, and 10 kA according to EN 60898.
The maximum operating voltage is 120 V AC and 60 V DC.
Yes, the device is halogen-free.
It mounts on a standard DIN rail.
The mechanical service life is 10,000 switching cycles.