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This Schurter Inc. 4430.3777 is a thermal circuit breaker from the TA45 series, offering reliable overload protection for various applications. It is a 2-pole device with a rated current of 1.5A and a maximum AC voltage rating of 240 VAC, and DC voltage rating of 60 VDC.
The circuit breaker features a rocker actuation type and is designed for panel mounting, making it suitable for integration into industrial appliances, power supplies, and power tools. It provides a conditional short circuit capacity of 1 kA at 240 VAC and a short circuit capacity Icn of up to 300A.
With a mechanical lifetime of 50,000 switching cycles and an operating temperature range of -10 °C to 55 °C, this thermal circuit breaker is built for durability and consistent performance in demanding environments. The degree of protection is IP40 on the front side.
Key technical data includes a dielectric strength of 4 kVAC and an insulation resistance greater than 100 MΩ at 500 VDC. The device also meets specific overload trip requirements for both AC and DC circuits.
The rated voltage is 240 VAC and 60 VDC.
It is panel mount and comes in bulk packaging.
The allowable operating temperature is -10°C to 55°C.
The current rating is 1.5A.
It uses thermal tripping.
It is a 2-pole circuit breaker.
It is rated for 50,000 switching cycles.