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The Schurter Inc. 4430.347 is a 2-pole thermal circuit breaker with a panel mount design. It offers a rated voltage of 240 VAC and 60 VDC, with a current rating range of 0.05 to 20 A AC. The breaker type is thermal, and it features a rocker actuation.
Key technical specifications include a conditional short circuit capacity of 1 kA AC and a short circuit capacity of up to 300A AC. The device has a degree of protection of IP40 on the front side, which can be increased to IP54 with a factory-mounted protection cover. It boasts a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC.
Mechanical specifications include a lifetime of 50,000 switching cycles and overload capabilities of a minimum of 40 trips at 6x Ir for AC and 4x Ir for DC. The operating temperature range is -10 °C to 55 °C, with a similar storage temperature range. Vibration resistance is specified up to 10 G @ 60 - 500 Hz, and shock resistance is 30 G / 18 ms.
This circuit breaker is suitable for applications such as power tools, industrial appliances, power supplies, equipment for construction, and cleaning equipment. It holds approvals from CSA, EN, GB, IEC, and UL.
Rated for 240 VAC and 60 VDC operation.
-10°C to 55°C for both operation and storage.
Conditional short circuit capacity (Inc) is 1 kA at 240VAC. Short circuit capacity (Icn) for AC ≥3A rated current is 300A.
IP40 standard, IP54 with optional protective cover.
Approved to CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.
Mechanical life of 50,000 cycles and electrical life of 50,000 cycles at rated current for both AC and DC.
Minimum 40 overload trips at 6x rated current for AC and 4x rated current for DC.