QMQB3332R - 30Amp Panelboard Switch

QMQB3332R - 30Amp Panelboard Switch

The Federal Pacific QMQB3332R is a 30 amp panelboard switch built for everyday use in commercial and industrial electrical systems. It’s a 3-pole, 3-phase, fusible twin unit rated for 250 volts AC and designed to fit directly into compatible panelboards using a bolt-in connection. If you’re replacing an existing unit or working on a system that already uses this style of switch, installation is straightforward and familiar.

This switch is commonly used where reliable circuit control and fuse protection are required. It accepts Class RK1 and RK5 fuses, allowing flexibility based on job requirements. The NEMA 1 enclosure makes it suitable for indoor environments such as electrical rooms, mechanical spaces, and equipment panels. Built with solid materials and intended for long-term service, the QMQB3332R is a practical choice for maintaining stable power distribution without overcomplicating the system.

Key Features and Benefits

• 30 Amp, 250V AC Rating – Supports standard commercial and light industrial applications
• Fusible Twin Unit – Works with Class RK1 and RK5 fuses for dependable circuit protection
• Bolt-In Mounting – Designed to install directly into compatible panelboards
• Three-Pole, Three-Phase Design – Suitable for balanced power distribution
• NEMA 1 Enclosure – Intended for indoor electrical spaces

Technical Specifications

• Voltage: 250 Volts AC
• Current: 30 Amps
• Poles: 3
• Phase: 3
• Switch Type: QMQB fusible twin unit
• Mounting: Bolt-in
• Fuse Type: Class RK1 or RK5
• Enclosure: NEMA 1
• Approximate Dimensions: 21.00" W × 5.50" H × 5.00" D

Material Compliance and Certifications

The QMQB3332R is built to meet standard industry expectations for safety and electrical performance in commercial and industrial settings. Materials are selected to handle routine operating conditions when installed and maintained according to applicable electrical codes.

Where It Works Best

This panelboard switch is best suited for commercial buildings, industrial facilities, and service equipment where fuse-based circuit protection is required. It’s commonly used for replacements, system maintenance, or upgrades in existing panelboard configurations where compatibility and reliability matter more than extra features.