The 1019974 is a thermal-magnetic miniature circuit breaker designed for supplementary protection applications in accordance with UL 1077 standards. It features a single pole configuration with a current rating of 3A and a voltage rating of 277 VAC. The device operates on a thermomagnetic principle, providing protection against overloads up to short-circuit conditions. It has a lever actuator for easy operation, with a minimum operating temperature of -35°C and a maximum of +70°C. Suitable for use in various electrical systems, the 1019974 is part of the TMC 7 series and is manufactured in China.
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