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The Schurter Inc. 4430.3749 is a thermal circuit breaker from the TA45 series, designed for reliable overload protection in various applications. This 2-pole breaker features a rocker actuator and is suitable for panel mounting.
Key electrical specifications include a rated voltage of 240 VAC and 60 VDC, with a rated current range of 0.05 to 20 A. It offers a conditional short circuit capacity of 1 kA at 240 VAC and a short circuit capacity (Icn) of up to 300A. The breaker is built for durability with a mechanical lifetime of 50,000 switching cycles.
Environmental and mechanical data indicate a degree of protection of IP40 on the front side, which can be increased to IP54 with a factory-mounted protection cover. The operating temperature range is -10 °C to 55 °C. It meets vibration resistance standards up to 10 G @ 60 - 500 Hz and shock resistance of 30 G / 18 ms.
Applications for this circuit breaker include power tools, industrial appliances, power supplies, and equipment for construction and cleaning.
The rated AC voltage is 240 VAC and the rated DC voltage is 60 VDC.
The current rating is 10A with an AC current range of 0.05 to 20 A.
The tripping type is thermal.
The degree of protection is IP40, and IP54 with the factory-mounted protection cover.
The mechanical lifetime is 50,000 switching cycles.
The dielectric strength is 4 kVAC.
The allowable operation temperature range is -10°C to 55°C.