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The Schurter Inc. 4430.1274 is a thermal circuit breaker with a 2-pole configuration, suitable for AC and DC circuits. It is rated for 240 VAC and 60 VDC, with a current range of 0.05 to 20 A AC. The breaker features a rocker actuation type and is designed for panel mounting.
Key technical specifications include a conditional short circuit capacity of 1 kA at 240 VAC and a short circuit capacity of 300A. It offers a degree of protection of IP40 on the front side, with an option for IP54 with a protection cover. The dielectric strength is 4 kVAC, and insulation resistance is greater than 100 MΩ at 500 VDC.
Mechanical and environmental resilience are demonstrated through a mechanical lifetime of 50,000 switching cycles and operational temperature range of -10 °C to 55 °C. It also meets vibration and shock resistance standards according to IEC 60068-2-6 and IEC 60068-2-27.
This circuit breaker is approved by CSA, EN, GB, IEC, and UL standards, making it suitable for various industrial applications such as power tools, industrial appliances, power supplies, and equipment for construction and cleaning.
The rated voltage is 240 VAC and 60 VDC.
The rated current range AC is 0.05 - 20 A, with a specific rating of 5A mentioned.
This circuit breaker has 2 poles.
It uses rocker actuation.
The allowable operation temperature is -10 °C to 55 °C.
The degree of protection on the front side is IP40, and IP54 with a factory-mounted protection cover.