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This Siemens 5SJ4105-8HG40 is a 1-pole miniature circuit breaker designed for overcurrent protection. It features a D-trip characteristic, suitable for applications requiring higher inrush current handling.
The breaker has a rated operational current of 0.5A and a switching capacity of 10kA according to EN 60898 standards, and 15kA according to IEC 60947-2. It is designed for AC/DC operation with a rated insulation voltage of 440V and a supply voltage of 400V AC.
With a mechanical service life of 10,000 switching cycles, this circuit breaker is built for durability. It is suitable for installation in environment B regarding EMC. The unit is halogen-free and features touch protection.
Mechanical dimensions include a height of 90mm, width of 18mm, and depth of 70mm, with an installation depth of 70mm. It mounts on a standard DIN rail and has a net weight of 167g. Connection is made via combined terminals top and bottom, with a maximum tightening torque of 3.5 N·m for conductors ranging from 0.75 mm² to 25 mm².
Type D curve.
0.5 A at 30-40°C.
1 pole.
400 V AC at 50 Hz.
10 kA per EN 60898 and 15 kA per IEC 60947-2.
On standard DIN rail.
Height 90 mm, width 18 mm, depth 70 mm.