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This Schurter Inc. 4430.1392 is a thermal circuit breaker designed for reliable overload protection. It features a 2-pole configuration and a panel mount design for easy integration into systems.
The breaker offers a rated voltage of 240 VAC and 60 VDC, with a current rating range of 0.05 to 20 A, specifically rated at 18A for this model. It provides a conditional short circuit capacity of 1 kA at 240 VAC and a short circuit capacity Icn of up to 300A. The tripping type is thermal, ensuring protection against overcurrent conditions.
Key specifications include a dielectric strength of 4 kVAC, insulation resistance greater than 100 MΩ at 500 VDC, and a mechanical lifetime of 50,000 switching cycles. The operating temperature range is -10 °C to 55 °C. The device has a degree of protection of IP40 on the front side, which can be increased to IP54 with a factory-mounted protection cover.
Applications for this circuit breaker include power tools, industrial appliances, power supplies, equipment for construction, and cleaning equipment. It is designed with a rocker actuation type and offers orange illumination with a nominal voltage of 110V.
The rated voltage is 240VAC and 60VDC.
It is panel mount.
-10°C to 55°C.
Conditional short circuit capacity is 1kA at 240VAC; short circuit capacity Icn is 300A at 240VAC for In ≥ 3A.
50,000 switching cycles.
CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077.
IP40, or IP54 with factory-mounted protection cover.