QN-NH000 - 125A, 690V, Disconnect Switch

Meet the QN-NH000 — a rugged 125A, 690V fusible disconnect switch engineered for demanding industrial and commercial environments. This compact device delivers dependable on/off isolation paired with reliable overcurrent protection, helping you safeguard motors, panels, and branch circuits while minimizing downtime.

Designed specifically for motor disconnects, panelboards, and branch circuit protection, the QN-NH000 stacks robust performance into a space-saving footprint. The integrated fusible switch simplifies wiring and maintenance, providing a single, maintainable solution that reduces panel depth and simplifies spare parts logistics.

Key advantages

• 125A continuous current rating supports a wide range of motors and feeders without demanding oversized enclosures.
• 690V voltage capability accommodates higher-voltage installations common in industrial settings.
• Integrated fusible protection combines switching and overcurrent protection in one unit, delivering fast fault interruption and streamlined protection strategy.
• Compact, space-saving design fits into standard panels and enclosures where space is at a premium.
• Maintenance-friendly construction enables easier fuse replacement and field servicing, reducing downtime during routine maintenance or fault events.

Who benefits most

• Facilities managers and maintenance teams responsible for motor circuits, pumps, fans, and conveyors in manufacturing or processing plants.
• Electrical engineers and specifiers selecting panelboard protection and branch circuit protections in compact control environments.
• Installers seeking a reliable, easy-to-service disconnect switch that minimizes cabinet depth while delivering solid protection.

Use cases and scenarios

• Motor disconnects on production lines where quick, clear isolation is essential for safe maintenance.
• Panelboard sections requiring integrated protection to simplify wiring schemes and spare-part inventories.
• Branch circuit protection for critical feeders supplying large equipment in commercial facilities.

The QN-NH000 is more than a switch—it’s a practical solution that clarifies protection, simplifies maintenance, and preserves equipment life in everyday operations. Its combination of 125A capacity, 690V compatibility, and a compact, fusible design makes it a thoughtful choice for applications where reliability and serviceability matter most.

Specifications at a glance

• Model: QN-NH000
• Amperage: 125A
• Voltage: 690V
• Function: Fusible disconnect switch for on/off isolation and overcurrent protection
• Applications: Motor disconnects, panelboards, and branch circuit protection
• Design: Compact, maintenance-friendly fusible switch

For installation, pair the QN-NH000 with appropriate enclosure hardware and ensure compatibility with your motor protection strategy. Use it to create clear, safe isolation points in busy electrical rooms, simplify routine maintenance, and keep critical equipment protected with a single, dependable solution.