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This Schurter Inc. 4430.3618 is a collar accessory designed for TA45 series thermal circuit breakers. It provides a positively trip-free release mechanism and is suitable for 1 or 2 pole thermal overload protection.
The circuit breaker collar operates with a rated AC voltage of 240 VAC and a rated DC voltage of 60 VDC. The AC current range is from 0.05A to 20A. It features a thermal tripping type and rocker actuation.
Applications for this accessory include power tools, industrial appliances, power supplies, equipment for construction, and cleaning equipment. The device has a degree of protection of IP40 on the front side and can be IP54 with a factory-mounted protection cover.
Key specifications include a dielectric strength of 4 kVAC, insulation resistance greater than 100 MΩ at 500 VDC, and a mechanical lifetime of 50,000 switching cycles. The operating temperature range is -10 °C to 55 °C.
The rated AC voltage is 240 VAC.
The rated DC voltage is 60 VDC.
The AC current range is 0.05A to 20A.
The degree of protection on the front side is IP40 acc. to IEC 60529.
The allowable operation temperature is -10 °C to 55 °C.
The mechanical lifetime is 50,000 switching cycles.
It uses a thermal tripping type.