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This Schurter Inc. 4430.2276 is a 2-pole thermal circuit breaker with a rocker actuation type. It is designed for panel mounting and offers a current rating of 8A, suitable for AC applications up to 240V and DC applications up to 60V.
The circuit breaker provides thermal overload protection with a positively trip-free release mechanism. It has a mechanical lifetime of 50,000 switching cycles and an operating temperature range of -10°C to 55°C. The device meets IP40 degree of protection on the front side, which can be extended to IP54 with a factory-mounted protection cover.
Key electrical specifications include a conditional short circuit capacity of 1 kA and a short circuit capacity Icn of 300A at 240VAC for currents 3A or higher. It also features a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC.
Applications for this circuit breaker include power tools, industrial appliances, power supplies, construction equipment, and cleaning equipment. It is approved by CSA, EN, GB, IEC, and UL standards.
240 VAC and 60 VDC.
-10°C to 55°C.
Panel Mount.
300A at 240VAC (for In ≥ 3A), 120A at 48VDC, with a conditional short circuit capacity of 1kA AC.
CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077.
Yes, with a red illumination at 220V nominal.
4 kVAC.