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The Schurter Inc. 4430.1231 is a thermal circuit breaker designed for reliable overload protection in various applications. This 2-pole unit features a rocker actuation type and a panel mount design for easy integration into equipment.
Key electrical specifications include a rated AC voltage of 240 VAC and a rated DC voltage of 60 VDC. The current rating is 5A, with a conditional short circuit capacity of 1 kA at 240 VAC. The breaker offers a mechanical lifetime of 50,000 switching cycles.
Environmental and mechanical data includes a degree of protection of IP40 on the front side, a dielectric strength of 4 kVAC, and an insulation resistance greater than 100 MΩ at 500 VDC. The operating temperature range is -10 °C to 55 °C. The unit is designed for robust performance with vibration resistance up to 10 G and shock resistance of 30 G / 18 ms.
This circuit breaker is suitable for applications requiring thermal overload protection, such as in power tools, industrial appliances, and power supplies. Its approvals include CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.
240 VAC and 60 VDC.
-10 to 55 °C.
5 A DC, AC range 0.05-20 A.
Varies by condition: 1 kA at 240 VAC (PC1), 300 A at 240 VAC for In ≥ 3 A, 120 A at 48 VDC for In ≥ 3 A.
CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077.
Panel mount.
IP40 (IP54 with cover).