QMQB1132 - 100Amp Panelboard Switch

QMQB1132 - 100Amp Panelboard Switch

The Federal Pacific QMQB1132 is a 100-amp, 250-volt, 3-phase fusible panelboard switch used in commercial and industrial electrical systems where space inside the panel really matters. It’s a bolt-in, twin-mounted unit, which makes it a good fit for tighter panelboard layouts without having to rework the entire setup. This switch accepts both Class RK1 and RK5 fuses, so it’s easy to match with existing protection schemes on the job.

Installers typically use the QMQB1132 when replacing older panelboard switches or when adding circuits that need dependable overcurrent protection. Once it’s in place, it does what it’s supposed to do—control power cleanly and stay put. There’s nothing complicated about it, and that’s often the point.

Key Features and Benefits

• Rated for 100 amps at 250 volts AC
• Works with Class RK1 and RK5 fuses
• Twin-mounted, 3-pole design helps free up panel space
• Bolt-in mounting for a secure, straightforward installation
• Built for steady, day-to-day operation

Technical Specifications

• Amperage Rating: 100 Amps
• Voltage Rating: 250 Volts AC
• Phase: 3-Phase
• Poles: 3
• Fuse Compatibility: RK1 and RK5
• Mounting Style: Bolt-in, fusible twin unit
• Overall Size: Approx. 21.00" W × 5.50" H × 5.00" D

Material Compliance and Certifications

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

Where It Works Best

• This panelboard switch is commonly found in office buildings, warehouses, light manufacturing spaces, and similar facilities. It’s a practical choice for service replacements, panelboard upgrades, or situations where available space is limited and reliability is still expected.