Fresh Stock Square D Q1390 – 90A 3 Pole Molded Case Circuit Breaker

Providing robust overcurrent protection, this 90A Square D MCCB is engineered for demanding commercial environments. The three-pole design ensures reliable performance across heavy-duty applications. This unit features a plug-on connection tailored for legacy Square D Q1 panelboards. Users looking for modern equivalents can transition to the QO390 model. Delivering 10kAIC at 240VAC, it includes a padlock attachment option and Visi-Trip technology for enhanced operational safety.