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The Schurter Inc. 4430.1143 is a 2-pole thermal circuit breaker designed for equipment protection. It offers a rated voltage of 240 VAC and 60 VDC, with a current rating range of 0.05 to 20 A, specifically featuring a 1A rating for this model.
This circuit breaker utilizes thermal tripping and a rocker actuation type, providing reliable overload protection. It has a mechanical lifetime of 50,000 switching cycles and an operating temperature range of -10 °C to 55 °C. The device is designed for panel mounting and offers a degree of protection of IP40 on the front side.
Applications for this circuit breaker include power tools, industrial appliances, power supplies, and equipment for construction and cleaning. It meets various approval standards including CSA, EN, GB, IEC, and UL.
Key technical data includes a dielectric strength of 4 kVAC, insulation resistance greater than 100 MΩ at 500 VDC, and shock resistance of 30 G / 18 ms. The weight ranges from 30 g to 50 g.
The rated voltage is 240VAC and 60VDC.
-10°C to 55°C.
The current rating is 1A, with a range of 0.05 to 20A.
Thermal tripping.
IP40, and IP54 with the factory-mounted protection cover.
CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.
50,000 switching cycles.