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This Schurter Inc. 4430.258 is a thermal circuit breaker with a 2-pole configuration, suitable for panel mounting. It provides thermal overload protection and features a positively trip-free release mechanism. The breaker is rated for 240 VAC and 60 VDC, with a current rating of 10A. It offers a conditional short circuit capacity of 1 kA at 240 VAC.
The device has a mechanical lifetime of 50,000 switching cycles and an operating temperature range of -10°C to 55°C. The degree of protection is IP40, or IP54 with a factory-mounted protection cover. Applications include power tools, industrial appliances, power supplies, and equipment for construction.
Key technical data includes a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC. Vibration resistance is specified up to 10 G @ 60 - 500 Hz, and shock resistance is 30 G / 18 ms.
The breaker is rated for 240 VAC and 60 VDC.
Panel mount.
-10 to 55 °C.
10 A.
Conditional short circuit capacity is 1 kA at 240 VAC per IEC 60934; short circuit capacity Icn is 300 A at 240 VAC for ratings ≥3 A.
Rocker or pushbutton.