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The Schurter Inc. 4430.0978 is a thermal circuit breaker designed for reliable overload protection. This 2-pole unit offers a rated current of 20A and can handle up to 240VAC or 60VDC.
Key electrical specifications include a conditional short circuit capacity of 1 kA at 240VAC and a short circuit capacity of 300A at 240VAC for currents 3A and above. It boasts a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC.
With a mechanical lifetime of 50,000 switching cycles, this circuit breaker is built for durability. It operates within a temperature range of -10°C to 55°C. The device features rocker actuation and a panel mount design, making it suitable for various industrial applications.
Environmental protection is rated at IP40 on the front side, increasing to IP54 with a factory-mounted protection cover. It meets standards for vibration and shock resistance.
The rated voltage is 240 VAC and 60 VDC.
-10 °C to 55 °C.
20A, with a range of 0.05 to 20 A.
It is a thermal circuit breaker with rocker actuation.
2 poles.
Panel mount.
4 kVAC.