QMQB-4036 - 400A, 600V, Fusible, Switch

The QMQB-4036 is a rugged 400A, 600V fusible switch engineered for dependable on/off isolation and precise overcurrent protection in demanding industrial and commercial environments. With a compact footprint and a design that emphasizes maintainability, this switch provides a reliable solution for protecting both equipment and personnel in the control panel or motor circuit.

• High-current reliability: 400A at up to 600V handles demanding motor and power circuit disconnects with confidence.
• Integrated fusible protection: Fusible switching offers immediate fault interruption to safeguard downstream equipment and reduce damage during fault conditions.
• Compact, maintainable form: A space-saving design that fits tight panels and control enclosures, with straightforward fuse maintenance to minimize downtime.
• Targeted applications: Ideal for motor disconnects, panelboards, and branch circuit protection where a concise, field-serviceable fusible switch is required.
• Operational clarity: Clear isolation enable for safe maintenance, diagnostics, and routine servicing in busy electrical rooms or process lines.

Ideal use scenarios

• Motor control stations and equipment with frequent start/stop cycles requiring reliable isolation
• Panelboard assemblies needing local disconnect capability and built-in overcurrent protection
• Branch circuit protection in compact control panels where space is at a premium

Why choose the QMQB-4036

When you need a dependable, easy-to-maintain disconnect with proven overcurrent protection, the QMQB-4036 delivers. It’s designed to simplify maintenance workflows, reduce downtime after faults, and keep critical machinery running smoothly. This fusible switch is a practical choice for facilities that prioritize safety, reliability, and panel space efficiency.

Technical specifications

• Model: QMQB-4036
• Amperage: 400A
• Voltage: 600V
• Fused: Fusible