QMQB4036 - 400Amp Panelboard Switch

QMQB4036 - 400Amp Panelboard Switch

The Federal Pacific QMQB4036 panelboard switch handles power control in commercial and industrial electrical systems that run under constant demand. This 400 amp, fusible switch bolts directly into compatible panelboards and provides a clear, dependable means of disconnecting power. Electricians often use this switch when they need straightforward fuse protection and a solid panelboard fit without extra hardware or modification. It supports stable operation and allows technicians to service the system with confidence.

Key Features and Benefits

• Supports Class RK1 and RK5 fuses to protect circuits from overcurrent
• Uses a bolt-in mounting design that locks the switch securely into the panelboard
• Delivers three-pole switching for standard three-phase systems
• Handles continuous electrical loads in high-capacity panels
• Allows easier access during routine inspection and maintenance

Technical Specifications

• Amperage Rating: 400 A
• Voltage Rating: Up to 600 VAC
• Number of Poles: 3
• Compatible Fuse Types: RK1, RK5
• Configuration: QMQB fusible panelboard switch, single unit

Material Compliance and Certifications

• Meets UL 98 safety and performance requirements
• Uses industrial-grade materials designed for long-term electrical service

Where It Works Best

• Install the QMQB4036 panelboard switch in factories, warehouses, office buildings, and mechanical rooms that rely on high-capacity panelboards. It works well wherever operators need reliable power isolation and fuse-based protection as part of a structured electrical system.