QMQB1032B - 100Amp Panelboard Switch

QMQB1032B - 100Amp Panelboard Switch

The Federal Pacific QMQB1032B is a 100 amp fusible panelboard switch made for QMB panelboards. It’s rated for up to 250 volts AC and uses a three-pole setup, which makes it a common fit for commercial and industrial power distribution. You’ll typically see this switch protecting circuits that supply motors, transformers, or lighting loads.

This unit bolts directly into the panelboard, so it installs cleanly without extra modifications. It accepts standard RK1 or RK5 fuses, giving you some flexibility depending on what the job calls for. Overall, it’s a straightforward, no-nonsense switch designed to do its job day in and day out in working electrical systems.

Key Features and Benefits

• Accepts Class RK1 or RK5 fuses
• Bolt-in design for use in compatible QMB panelboards
• Three poles for typical three-phase applications
• Designed for regular use in commercial and industrial environments

Technical Specifications

• Amperage: 100 Amps
• Voltage: Up to 250V AC
• Poles: 3
• Fuse Types: Class RK1, Class RK5
• Mounting Style: Bolt-in
• Size: 14.00" W × 5.50" H × 5.00" D

Material Compliance and Certifications

• UL Listed for safety and performance
• cULus Certified for use in the U.S. and Canada

Where It Works Best

• This panelboard switch is a good fit for commercial and industrial buildings where QMB panelboards are already in place. It’s commonly used for circuits feeding motors, transformers, and lighting systems in facilities like warehouses, plants, office buildings, and similar environments. When you need a clean replacement or a dependable switch for an existing panelboard, this model fits the bill without overcomplicating the setup.