Allen-Bradley 1492-SP2C020 Supplementary Protector/Circuit Breaker is a 2-pole, DIN-rail-mount miniature circuit breaker rated at 2 A for use in 480Y/277 V AC control circuits. The device follows Trip Curve C, providing coordinated overload and short‑circuit protection for two conductors in industrial panels. Manufactured by Allen-Bradley (Rockwell Automation), the 1492-SP2C020 is designed as a supplementary protector in commercial and industrial equipment, delivering reliable protection in a compact form factor for control enclosures.
