Top Pick Square D QOU3301021 – 30A 3 Pole Miniature Circuit Breaker

Part of the QOU series, this 3-pole 30A miniature circuit breaker provides reliable thermal-magnetic protection for commercial applications. It features a 10kAIC rating at 240VAC and includes Square D’s Visi-Trip indicator for quick fault identification. Designed for installation flexibility, the unit mounts onto standard DIN rails or inside OEM control panels. This specific model includes a factory-installed 120/240VAC shunt trip accessory, allowing for remote tripping of the circuit.