Allen-Bradley 1492-CB2 G300 Molded Case Circuit Breaker

Allen-Bradley 1492-CB2-G300 is a two-pole molded-case circuit breaker from the 1492 Bulletin family, designed for DIN-rail mounting in industrial control panels. The G300 frame model is rated for 30 A and is specified for 277 VAC operation, with magnetic short-circuit protection that typically operates in a range of 6–10 times the rated current to guard motors and other inductive loads. Weighing about 0.27 kg, this compact device functions as both a protective disconnect and overload limiter within compact control enclosures where space is at a premium. This particular variant is listed as discontinued by the manufacturer, reflecting its position in Rockwell Automation's legacy product line.