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This Schurter Inc. TA45 series thermal circuit breaker, part number 4430.2421, offers reliable thermal overload protection for 1 or 2 pole applications. It is designed with a positively trip-free release mechanism and a rocker actuation type.
The circuit breaker has a rated voltage of 240 VAC and 60 VDC, with a rated current range of 0.05 to 20 A. It boasts a conditional short circuit capacity of 1 kA at 240 VAC and an Icn of 300A at 240 VAC for currents 3A or greater. The device offers a degree of protection of IP40 on the front side, which can be increased to IP54 with a factory-mounted protection cover.
With a mechanical lifetime of 50,000 switching cycles, this thermal circuit breaker is suitable for demanding applications. It operates within a temperature range of -10 °C to 55 °C. The panel mount design facilitates easy integration into various systems.
Applications for this circuit breaker include power tools, industrial appliances, power supplies, equipment for construction, and cleaning equipment. It is approved by CSA, EN, GB, IEC, and UL standards.
The allowable operating temperature range is -10°C to 55°C.
The rated voltage is 240VAC and 60VDC.
The current rating is 4A.
It uses a rocker actuator.
The degree of protection is IP40, and IP54 with the factory-mounted protection cover.
The mechanical lifetime is 50,000 switching cycles.