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The Schurter Inc. 4430.0705 is a 2-pole thermal circuit breaker designed for reliable overload protection. 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 3A rating for this model.
This circuit breaker utilizes thermal tripping and rocker actuation for user interaction. It has a mechanical lifetime of 50,000 switching cycles and electrical lifetimes of 50,000 cycles for both AC and DC operations. The device is rated for a conditional short circuit capacity of 1 kA at 240 VAC and provides a short circuit capacity Icn of 300A at 240 VAC for currents 3A and above.
Designed for panel mounting, the 4430.0705 has a degree of protection of IP40 on the front side. It operates within a temperature range of -10 °C to 55 °C. Approvals include CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077, indicating its suitability for various industrial applications.
Key technical data includes a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC. The vibration resistance is specified according to IEC 60068-2-6, and shock resistance is tested per IEC 60068-2-27.
The rated voltage is 240 VAC and 60 VDC.
The current rating is 3A.
It has 2 poles.
It uses rocker actuation.
The allowable operation temperature is -10 °C to 55 °C.
The mechanical lifetime is 50,000 switching cycles.