QMQB3332 - 30Amp Panelboard Switch

QMQB3332 -  30Amp Panelboard Switch

The Federal Pacific QMQB3332 is a 30 amp, 3-pole, 3-phase panelboard switch commonly used in commercial and industrial power distribution systems. It’s a fusible, bolt-in style unit designed to work with compatible panelboards where space, fit, and reliable performance matter. Rated for 250 volts AC, this switch provides a practical way to control and protect branch circuits without overcomplicating the installation. Electricians often choose this model when they need a straightforward replacement or a dependable option for new panelboard builds.

Key Features and Benefits

• Fusible Design – Supports Class RK1 and RK5 fuses, giving flexibility when selecting overcurrent protection.
• Bolt-In Construction – Helps speed up installation and keeps the unit securely seated in the panelboard.
• Three-Pole Configuration – Designed for 3-phase electrical systems commonly found in commercial and industrial settings.
• NEMA 1 Rated – Intended for indoor use, offering basic protection against accidental contact and light debris.

Technical Specifications

• Current Rating: 30 Amps
• Voltage Rating: 250 Volts AC
• Poles: 3
• Phase: 3
• Unit Type: Fusible twin
• Fuse Compatibility: Class RK1, Class RK5
• Mounting Style: Bolt-in
• Approximate Dimensions: 21.00 in. W × 5.50 in. H × 5.00 in. D

Material Compliance and Certifications

• The QMQB3332 is built using quality materials intended for long-term service in electrical distribution equipment.
• It meets UL-98 standards, confirming that it has been evaluated for safety and performance in panelboard switch applications.

Where It Works Best

• This panelboard switch is best suited for indoor commercial and industrial environments such as offices, warehouses, light manufacturing facilities, and utility rooms.
• It’s commonly used where a reliable fusible switch is needed for three-phase circuits and where compatibility with existing panelboard systems is a priority.