The 1019937 is a thermal-magnetic miniature circuit breaker designed for supplementary protection applications, compliant with UL 1077 standards. It features a 2-pole configuration with an 8A current rating and is suitable for use in AC circuits at 277 VAC and DC circuits at 125 VDC. The breaker operates on a B curve characteristic, providing reliable overload and short-circuit protection. It is mounted on a DIN rail with a width of 35 mm, making it ideal for compact electrical panel installations.
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