Federal Pacific Electric QMQB4022 Fusible Panelboard Switch

Federal Pacific Electric QMQB4022 is a 400 Amp, 240 Volt, 2-pole fusible panelboard switch designed for inclusion in electrical panelboard assemblies where fusible protection is required. Identified by the QMQB4022 designation, this device is part of Federal Pacific Electric's QMQB series and functions as the fusible switching component within a panelboard, providing a dedicated disconnect for circuits protected by fuses. The 2-pole design ensures simultaneous interruption of both conductors, delivering safe isolation when a fault is detected or service is to be interrupted. With a rating of 400 A at 240 V, the QMQB4022 supports high-current panelboard applications, aligning with the rugged, high-capacity requirements typical of fusible panelboard switches.