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The Schurter Inc. 4430.2811 is a 2-pole thermal circuit breaker with a rocker actuation type, suitable for panel mounting. It offers a rated voltage of 240 VAC and 60 VDC, with a current rating of 2.5A. The breaker provides thermal overload protection and features a positively trip-free release mechanism.
Key technical specifications include a conditional short circuit capacity of 1 kA at 240 VAC and various short circuit capacities (Icn) depending on the current rating and voltage. It has a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC. The mechanical lifetime is rated for 50,000 switching cycles.
Environmental and operational parameters include an allowable operating temperature range of -10°C to 55°C and a storage temperature range of -10°C to 55°C. The degree of protection on the front side is IP40, which can be increased to IP54 with a factory-mounted protection cover. Approvals include CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.
This circuit breaker is designed for applications such as power tools, industrial appliances, power supplies, and equipment for construction and cleaning.
The circuit breaker is rated for 240VAC and 60VDC.
The allowable operating temperature is -10 to 55°C.
For AC at 240VAC, the short circuit capacity is 10xIn (max 3 cycles) for In < 3A, and 300A for In ≥ 3A. For DC at 60VDC, it is 10xIn for In < 3A, and at 48VDC it is 120A for In ≥ 3A.
The mechanical lifetime is 50,000 switching cycles.
It is approved by CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.
The actuation type is rocker.
It has 2 poles.