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The Schurter Inc. 4430.1629 is a 2-pole thermal circuit breaker featuring rocker actuation and a panel mount design. It provides thermal overload protection with a rated current range of 0.05 to 20A AC and a voltage rating of 240 VAC or 60 VDC.
This circuit breaker is built for reliability, offering a mechanical lifetime of 50,000 switching cycles and overload endurance of at least 40 trips at 6x Ir for AC and 4x Ir for DC. It operates within a temperature range of -10°C to 55°C.
Applications for this thermal circuit breaker include power tools, industrial appliances, power supplies, construction equipment, and cleaning equipment. It meets IEC 60934 standards for short circuit capacity and offers degree of protection ratings of IP40 on the front side, or IP54 with a factory-mounted protection cover.
Key technical specifications include a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC. The device is designed for robust performance in demanding environments.
240 VAC and 60 VDC.
-10°C to 55°C.
Panel mount with quick connect (6.3x0.8mm) or screw clamp (M3.5x6mm) terminals.
0.05 to 20 A.
Thermal.
50,000 switching cycles.
Conditional short circuit capacity is 1 kA; for currents ≥3A, maximum short circuit capacity is 300A (max 3 cycles).