American/Federal Pacific QMQB4022R - Fusible Safety Switch 400A @ 240V (200kA AIC, NEMA 1)

American/Federal Pacific QMQB4022R is a panel-mounted fusible safety switch designed for industrial circuit protection and isolation in single-phase applications. This 400A rated switch operates at 240V AC with a 200kA interrupting capacity, providing robust short-circuit protection for demanding electrical environments. Constructed with a NEMA 1 enclosure and weighing 55 lb, the unit features a two-pole single-configuration design compatible with H, K, J, and R fuse classes. The switch meets industry standards for safety disconnects and is typically deployed in industrial power distribution, motor control centers, and main service entrance applications where reliable circuit isolation is critical.

Key Features & Specifications

• Type: Panel-mounted fusible safety switch, QMQB Series
• Voltage Rating: 240V AC
• Current Rating: 400A
• Dimensions: NEMA 1 enclosure
• Standards: Industrial safety disconnect compliance
• Applications: Industrial power distribution, motor control centers, main service entrance
• Switch Type: Fusible safety switch
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@240V
• NEMA Rating: 1
• Phase: 1
• Fuse Class: H, K, J, R
• Weight: 55 lb
• Item Subcategory: Panel Mount
• Family: QMQB Series