Instant Buy Square D QOB390VH – 90A 3 Pole Miniature Circuit Breaker

Part of the QO family, the Square D QOB390VH is a 3-pole, 90A miniature circuit breaker engineered for commercial and industrial applications. It utilizes thermal-magnetic trip technology to provide dependable overload and short-circuit protection. This unit bolts firmly into Square D NQ and NQOD panelboards, ensuring a secure connection that resists vibration. The “VH” designation signifies a high interrupting rating of 22kAIC at 240V. It also features a Visi-Trip indicator.