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The Schurter 4430.1203 is a thermal circuit breaker designed for equipment protection. It offers 1 or 2 pole thermal overload protection with a positively trip-free release mechanism. This model features a rocker actuation and is suitable for snap-in mounting.
Key electrical specifications include a rated AC voltage of 240 VAC and a rated DC voltage of 60 VDC. The rated current range is from 0.05 to 20 A. It has a conditional short circuit capacity of 1 kA at 240 VAC and a short circuit capacity (Icn) of up to 300A at 240 VAC.
Environmental and mechanical specifications include an operating temperature range of -10 °C to 55 °C and a degree of protection of IP40 on the front side. The mechanical lifetime is rated for 50,000 switching cycles. Applications include power tools, industrial appliances, power supplies, and equipment for construction and cleaning.
This circuit breaker is approved by CSA, EN, GB, IEC, and UL standards.
The circuit breaker is rated for 240 VAC and 60 VDC.
It is rated for 20 A, with a rated current range of 0.05 to 20 A.
The allowable operating temperature is -10 °C to 55 °C.
It uses a thermal trip mechanism.
It is a two-pole circuit breaker.
The degree of protection is IP40 according to IEC 60529; with a factory-mounted protection cover it is IP54.
It is approved to CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.
