Challenger SJK-3-C-600 Molded Case Circuit Breaker is a 3-pole MCCB from the SJK series rated for 600 A at 600 V, configured for bolt-on installation in service panels. It provides thermal-magnetic protection with long-time and instantaneous trip functions and carries a 30 kA short-circuit rating at 480 V, suitable for industrial distribution under ambient conditions up to 40°C. As part of an older Challenger line, the SJK-3-C-600 is still stocked by distributors that carry vintage SJK-series devices. This 600 A, 3-pole, 600 V breaker is intended for applications requiring substantial interrupting capacity and reliable overload protection in industrial electrical systems.
