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The Schurter Inc. 4430.3099 is a thermal circuit breaker designed for reliable overload protection in various applications. This 2-pole device offers a rated voltage of 240 VAC and 60 VDC, with a current rating range of 0.05 to 20 A.
Key technical specifications include a conditional short circuit capacity of 1 kA AC and various short circuit capacities (Icn) depending on the current and voltage conditions. It meets IEC 60934 standards and offers a degree of protection of IP40 on the front side, which can be increased to IP54 with a factory-mounted protection cover. The breaker has a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC.
With a mechanical lifetime of 50,000 switching cycles, this circuit breaker is built for durability. It operates within a temperature range of -10 °C to 55 °C. The actuation type is a rocker, and it is designed for panel mounting.
Applications for this thermal 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 circuit breaker is rated for 240 VAC and 60 VDC operation.
The operating temperature range is -10°C to 55°C.
The rated current is 20 A, with an adjustable range from 0.05 A to 20 A.
It features a rocker actuator.
It is a 2-pole circuit breaker.
It is approved to UL1077, CSA C22.2 No 235, EN 60934, GB 17701, and IEC 60934.
The dielectric strength is 4 kVAC.