QMQB3336B w/ Mounting Kit - 30Amp Panelboard Switch

QMQB3336B w/ Mounting Kit - 30Amp Panelboard Switch

The Federal Pacific QMQB3336B is a 30 amp, 3-pole panelboard switch commonly used in commercial and industrial electrical panels. It’s rated for 600 volts AC and built for 3-phase systems. This version includes the mounting kit, which helps when replacing an existing switch or installing into a compatible panelboard. The bolt-in style allows it to seat securely, and the dual/twin layout helps save space inside the panel.

This switch is designed to work with several fuse types, giving flexibility depending on the level of protection required. It’s intended for indoor use and is typically installed in electrical rooms or other dry locations. For many electricians, it’s a straightforward, familiar style of panelboard switch that does what it’s supposed to do without added complexity.

Key Features and Benefits

• Includes mounting kit for easier installation
• Rated 30 amps, 600V AC
• 3-pole, 3-phase configuration
• Accepts multiple fuse classes
• Dual/twin design helps conserve panel space
• Bolt-in mounting style
• Indoor rated (NEMA 1)

Technical Specifications

• Voltage: 600V AC
• Amperage: 30A
• Poles: 3
• Phase: 3-Phase
• Fuse Compatibility: RK1, RK5, H, K, J, R
• Configuration: Dual / Twin
• Mounting: Bolt-In
• Dimensions: 21.00 in W × 5.50 in H × 5.00 in D
• Enclosure: NEMA 1 (Indoor)

Material Compliance and Certifications

• UL 98 Listed
• UL File Number: E466967

Where It Works Best

• The QMQB3336B panelboard switch is typically used in commercial and industrial indoor panelboards, including service panels and equipment distribution sections. It’s a practical choice for replacements, maintenance work, or system updates where a 30 amp fused switch is required and panel space is limited.