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The Schurter Inc. 4430.136 is a collar accessory specifically designed for use with TA45 series circuit breakers. This component provides thermal overload protection and features a rocker actuation type.
Key electrical specifications include a rated voltage of 240 VAC and 60 VDC, with a rated current range of 0.05 to 20 A AC. The circuit breaker offers a conditional short circuit capacity of 1 kA at 240 VAC and a short circuit capacity (Icn) of up to 300A. It has a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC.
Mechanically, the device is built for durability with a mechanical lifetime of 50,000 switching cycles. It operates within a temperature range of -10 °C to 55 °C and has undergone vibration resistance testing up to 10 G and shock resistance testing of 30 G / 18 ms.
This accessory is suitable for applications requiring reliable circuit protection in industrial appliances, power tools, and equipment for construction. The degree of protection for the front side is IP40.
240 VAC and 60 VDC.
-10 to 55 °C.
0.05 to 20 A AC.
IP40 (IP54 with factory mounted protection cover).
50,000 switching cycles.
Rocker.
Icn: 300A at 240 VAC for In ≥ 3A; Inc: 1 kA at 240 VAC.