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The Schurter 4430.2989 is a thermal circuit breaker from the TA45 series, designed for reliable overload protection in various applications. This 2-pole breaker offers a rated voltage of 240 VAC and 60 VDC, with a current rating range of 0.05 to 20 A, specifically at 1.5A for this model.
Featuring a thermal tripping mechanism and rocker actuation, this circuit breaker is suitable for panel mounting. It boasts a mechanical lifetime of 50,000 switching cycles and an operating temperature range of -10 °C to 55 °C. The device meets IP40 protection standards on the front side, which can be extended to 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 circuit breaker also exhibits robust mechanical and environmental resistance, including vibration resistance up to 10 G and shock resistance of 30 G / 18 ms.
Applications for this circuit breaker include power tools, industrial appliances, power supplies, and equipment for construction and cleaning. It is approved by CSA, EN, GB, IEC, and UL standards, ensuring compliance with safety requirements.
The rated current is 1.5A.
It is rated for 240VAC and 60VDC.
It uses a rocker actuator.
The operating temperature range is -10°C to 55°C.
It has an IP40 degree of protection, which can be upgraded to IP54 with a cover.
It is a 2-pole circuit breaker.
It has a mechanical lifetime of 50,000 switching cycles.