QMQB4022 - 400A, 240V, 2-Pole, Fusible, Switch

QMQB4022 is a rugged 2-pole fusible switch engineered for dependable on/off isolation and precise overcurrent protection in demanding industrial and commercial settings. With a 400A rating at 240V, this switch delivers reliable performance where motor loads and feeder circuits demand solid protection and clear, immediate disconnection.

Key features that matter in real-world electrical protection

• 400A, 240V capacity supports sizable motor and feeder applications with a single, compact device.
• Two-pole design ensures both hot legs are interrupted for complete circuit isolation and safer maintenance access.
• Fusible protection provides fast, predictable fault clearing at the source, helping guard downstream equipment and wiring.
• Compact and maintainable designed for easier serviceability and fuse replacement without major disassembly.
• Versatile applications ideal for motor disconnects, panelboards, and branch circuit protection where a reliable fusible switch is required.

Why this fusible switch matters for your setup

In environments where downtime, safety, and protection are non-negotiable, the QMQB4022 offers a purpose-built solution for isolating circuits and defending equipment from overcurrent events. The 2-pole arrangement protects both conductors in 240V circuits, helping reduce risk during maintenance and servicing.

Practical use cases

• Motor disconnects on conveyors, presses, or large fans where a robust, fuse-protected switch is advantageous.
• Panelboard sections requiring reliable, easy-to-operate disconnects with integrated overcurrent protection.
• Branch circuit protection in commercial or light-industrial installations that demand a dedicated fusible switch for safe servicing.

Maintenance, installation, and best practices

Choose the QMQB4022 when you need a compact, fusible switch that balances reliable protection with straightforward serviceability. Plan fuse replacement as part of routine maintenance and ensure compatibility with your protection scheme to maintain continuous, safe operation.