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This Schurter Inc. 4430.3304 is a thermal circuit breaker with a 2-pole configuration, suitable for panel mounting applications. It offers a rated current of 18A and can handle AC voltages up to 240 VAC and DC voltages up to 60 VDC.
The breaker utilizes thermal tripping and rocker actuation for reliable operation. It has a mechanical lifetime of 50,000 switching cycles and an operating temperature range of -10°C to 55°C. The device provides a conditional short circuit capacity of 1 kA at 240 VAC.
Key electrical specifications include a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC. The ingress protection rating is IP40 on the front side, which can be increased to IP54 with a factory-mounted protection cover.
Applications for this circuit breaker include power tools, industrial appliances, power supplies, and equipment for construction and cleaning. It is designed for use in industrial environments and meets various approval standards.
Rated voltage AC 240V, rated voltage DC 60V.
18A continuous.
-10°C to 55°C.
Thermal circuit breaker with rocker actuation.
Approvals: CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077.
Conditional short circuit capacity 1kA at 240VAC. Icn: 300A at 240VAC (In≥3A) and 120A at 48VDC (In≥3A).
50,000 switching cycles.