QMQB4032 - 400A, 240V, 3-Pole, Switch

The QMQB4032 is a robust 400A, 240V, 3-Pole fusible switch engineered to deliver dependable on/off isolation and precise overcurrent protection in demanding industrial and commercial environments. Its compact, maintainable design makes it a smart fit for space-constrained panels while delivering reliable performance where it matters most.

Key capabilities that keep systems safe and productive

• 3-Pole disconnection ensures all three phases shut off simultaneously for a clean, safe break in motor and power circuits.
• 400A at 240V provides ample headroom for heavy motor loads, conveyors, pumps, and other high-current equipment.
• Compact, maintainable construction supports straightforward installation, inspection, and service in busy electrical rooms and panelboards.
• Reliable isolation and protection designed to safeguard downstream devices and wiring from overcurrent conditions.

Ideal applications

• Motor disconnects in manufacturing lines, processing equipment, and machinery rooms
• Panelboards where a compact, fusible switch is required to protect branch circuits
• Harsh industrial and commercial environments where durability and ease of maintenance are paramount

Specifications at a glance

• Model: QMQB4032
• Amperage: 400A
• Voltage: 240V
• Poles: 3-Pole
• Type: Fusible switch

With the QMQB4032, you get a purpose-built solution for reliable on/off isolation and overcurrent protection that keeps critical equipment running smoothly while simplifying maintenance. It’s the robust choice for motor control, panelboard protection, and branch circuit safety in demanding environments.