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The Schurter Inc. 4430.2766 is a 2-pole thermal circuit breaker designed for reliable overload protection. It features a 17A current rating and can handle up to 240VAC and 60VDC.
This circuit breaker offers a conditional short circuit capacity of 1 kA at 240VAC and a short circuit capacity (Icn) of 300A at 240VAC. It has a mechanical lifetime of 50,000 switching cycles and an AC/DC electrical lifetime of 50,000 switching cycles at 1x Ir.
With a degree of protection of IP40 (or IP54 with a factory-mounted cover), it is suitable for various industrial applications. The operating temperature range is -10°C to 55°C. The device is activated by a rocker actuator and is designed for panel mounting.
Key specifications include a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC. It meets multiple approval standards including CSA, EN, GB, IEC, and UL.
The circuit breaker is rated for 240 VAC and 60 VDC.
The allowable operating temperature range is -10°C to 55°C.
It is designed for panel mounting with a rocker actuator.
The breaker has IP40 protection, which can be upgraded to IP54 with a factory-mounted protection cover.
The short circuit capacity Icn is 300A at 240VAC for In ≥ 3A, and the conditional short circuit capacity Inc is 1kA at 240VAC.
The mechanical lifetime is 50,000 switching cycles.
It is approved under CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.