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This Siemens 5SJ4318-8HG42 is a 3-pole miniature circuit breaker from the 5SJ4 series. It is designed for AC and DC applications with a rated operational current of 15A and a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2.
The circuit breaker operates with a D-trip characteristic and has an insulation voltage rating of 440V AC. It supports a wide range of operating voltages, including up to 277V AC according to UL 489 and CSA C22.2 No. 5-02, and up to 125V DC in a 2-channel configuration.
Featuring a DIN rail mounting type, this device has a compact mechanical design with dimensions of 121mm height, 54mm width, and 70mm depth, occupying 3 modular width units. It offers IP20 protection with connected conductors and IP40 in the handle range.
Additional features include halogen-free and silicon-free construction, touch protection, and sealability. It is suitable for mechanical engineering and industrial applications.
The rated operational current is 15A at 30°C and 40°C.
This circuit breaker has 3 poles.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
The rated insulation voltage is 440 V AC, and the rated supply voltage is 400 V AC.
It is designed for mounting on a standard DIN rail.
Yes, the product feature indicates it is halogen-free.