Cutler-Hammer M50 - 200A, 240V, 3-Pole, Fusible, Switch

Meet the Cutler-Hammer M50 - 200A, 240V, 3-Pole, Fusible, Switch — a rugged, reliable isolation device from a trusted brand designed for demanding industrial and commercial environments. This compact, maintainable fusible switch delivers clean on/off isolation while providing dependable overcurrent protection where it matters most.

Why choose the M50 for your electrical isolation needs

• Three-pole, 200A capacity at 240V, ideal for three-phase systems common in motors and control panels.
• Fusible design combines disconnect functionality with branch-circuit protection in a single, space-saving package.
• Rugged, industrial-grade construction from Cutler-Hammer ensures reliable operation in harsh environments.
• Compact footprint simplifies panelboard integration and minimizes enclosure size.
• Maintainable by design with accessible fuse elements for quick replacement and reduced downtime.

Key applications and use cases

Ideal for motor disconnects, panelboards, and branch circuit protection where a compact, maintainable fusible switch is required. Use the M50 as a safe, local disconnect point in manufacturing lines, equipment rooms, HVAC systems, and other industrial or commercial installations. By combining isolation and protection in one device, it helps protect downstream equipment from short circuits and overloads while simplifying wiring and service.

What problems this solves

• Consolidates isolation and protection in a single device, reducing wiring complexity and maintenance steps.
• Provides a clear, local disconnect point for servicing heavy machinery and electrical panels.
• Supports safer, faster maintenance with straightforward fuse replacement and minimal downtime.

Installation and compatibility considerations

The M50 is configured for 3-phase systems at 240V and supports up to 200A. It requires compatible fusible elements chosen for the specific application. When integrating into existing panels, ensure the enclosure size accommodates the switch and that the fuse type and rating comply with local electrical codes and equipment requirements.

Practical tips to maximize uptime

• Schedule regular fuse inspections and replace any fuse showing wear or discoloration to preserve protection integrity.
• Keep spare fuse elements on hand and train maintenance staff on safe energization and de-energization procedures to minimize downtime.
• Document the fuse rating and service history on the equipment nameplate for quick reference during audits or repairs.

For reliable motor protection, streamlined panel design, and dependable isolation, the Cutler-Hammer M50 stands out as a compact, maintainable fusible switch built to meet the demands of industrial and commercial environments.