The 1020028 is a thermal-magnetic miniature circuit breaker designed for supplementary protection against overloads and short circuits. It features a 3-pole configuration with a current rating of 20A and a voltage rating of 277VAC. The breaker operates on a thermomagnetic mechanism, providing reliable circuit protection in various electrical applications. It is mounted on a DIN rail, measures 65.7 mm in length, and is suitable for environments with temperatures ranging from -35°C to +70°C. This model is part of the TMC 7 series and complies with UL 1077 standards.
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