Industrial QMR321N U 30 30A 240Vh Circuit Breaker

GE Industrial QMR321N U is a 30A, 240V circuit breaker designed to protect electrical circuits by interrupting current when an overload or fault occurs. With a 30-ampere rating and a 240-volt operating specification, this device is built to fit standard electrical panels that require a GE-sourced breaker for overcurrent protection. The model number QMR321N U provides a precise identifier for ordering and replacement, helping ensure you select the correct unit for your GE-installed system. When installed according to electrical codes and manufacturer instructions, this breaker helps safeguard wiring insulation, connected devices, and equipment by quickly disconnecting power in abnormal conditions. Its 30A/240V rating places it in the common range for branch-circuit protection in various industrial and commercial applications where reliable interruption of fault currents is essential.