American/Federal Pacific QMQB4022 - Fusible Safety Switch 400A (240V AC, 200kA AIC)

American/Federal Pacific QMQB4022 is a panel-mounted fusible safety switch designed for industrial circuit protection and isolation. It provides reliable 400A current interruption with a 240V AC voltage rating and features a robust NEMA 1 enclosure for indoor applications. The switch incorporates a 2-pole single configuration with 200kA interrupting capacity at 240V, accepting H, K, J, and R class fuses for flexible protection schemes. Constructed for heavy-duty industrial environments, this 55 lb unit meets standard industrial safety requirements for electrical distribution systems. Typical applications include main disconnect service, motor control centers, and industrial power distribution panels where reliable circuit isolation and protection are critical.

Key Features & Specifications

• Type: Panel-mounted fusible safety switch, QMQB family
• Voltage Rating: 240V AC
• Current Rating: 400A
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@240V
• Switch Style: Fusible
• NEMA Rating: 1
• Phase: 1
• Fuse Class: H, K, J, R
• Weight: 55 lb
• Item Subcategory: Panel Mount

Product Identification

• Manufacturer: American/Federal Pacific
• Model: QMQB4022
• Family: QMQB
• Type: QMQB