Allen-Bradley 1492-SP3D160-N Supplementary Protector is a 3-pole miniature circuit breaker from the 1492 family, rated 16 A with a Trip Curve D, and configured with a neutral option (-N) for 3P+N installations. It provides overcurrent protection for 3-phase circuits and associated control circuits in industrial equipment, enabling automatic disconnection when faults occur. Typical uses include motor control panels and machine control circuits where compact protection and quick interruption are required.
