QMQB4036 - 400A, 600V, Fusible, Switch

The QMQB4036 is a robust 400A, 600V fusible switch engineered for dependable on/off isolation and reliable overcurrent protection in demanding industrial and commercial environments. This compact, maintainable design combines switching and fusing in one streamlined unit, delivering clear protection where it matters most.

Why choose the QMQB4036

• Integrated protection: Fusible design provides built-in overcurrent protection for critical circuits, enabling safer motor disconnects, panelboards, and branch circuits without needing additional protective devices.
• Compact and maintainable: Precisely sized for tighter electrical rooms and panels, with straightforward maintenance that minimizes downtime during fuse replacement or service checks.
• Reliable isolation: Delivers decisive on/off control along with protection, helping to prevent unplanned outages and to facilitate safer servicing of downstream equipment.
• Industrial-grade performance: Ready to handle demanding loads in manufacturing lines, HVAC systems, pumps, conveyors, and other heavy-use applications common in industrial and commercial facilities.

Ideal use scenarios

• Motor disconnects in equipment rooms or process lines where quick isolation is essential for maintenance or fault prevention.
• Panelboard assemblies requiring compact protection right at the point of distribution.
• Branch circuits that demand integrated overcurrent protection within a single, easy-to-service device.

Specifications at a glance

• Model: QMQB4036
• Amperage: 400A
• Voltage: 600V
• Fused: Fusible

Designed for professionals who value efficiency and reliability, the QMQB4036 simplifies electrical protection without compromising performance. It’s the practical choice when you need a compact, maintainable fusible switch that delivers strong isolation and dependable overcurrent protection for motor-driven and distribution applications.