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The Schurter Inc. 4430.3171 is a 2-pole thermal circuit breaker designed for reliable overload protection in various applications. It offers a rated voltage of 240 VAC and 60 VDC, with a current rating range of 0.05 to 20 A, specifically featuring a 2A rating for this model.
This circuit breaker utilizes thermal tripping and a rocker actuation type for user interaction. It is built for a mechanical lifetime of 50,000 switching cycles and electrical lifetimes of 50,000 cycles at 1x Ir for both AC and DC. The device provides a degree of protection rated IP40 on the front side, which can be increased to IP54 with a factory-mounted protection cover.
Designed for panel mounting, the 4430.3171 operates within an allowable temperature range of -10 °C to 55 °C. It meets various approval standards including CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077, making it suitable for 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. The circuit breaker also exhibits robust mechanical performance with vibration resistance up to 10 G and shock resistance of 30 G / 18 ms.
The rated current is 2A.
It is rated for 240VAC and 60VDC.
The tripping type is thermal.
The actuation type is rocker.
It has 2 poles.
The operating temperature range is -10°C to 55°C.
It is approved to CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.