Cutler-Hammer HMCPE100R3CA1 Auxiliary Switch, 100A, 3-Pole, 480V

Meet the Cutler-Hammer HMCPE100R3CA1 Auxiliary Switch — a purpose-built control accessory crafted for demanding industrial electrical service, maintenance, and replacement projects. This 100 A, 3-pole auxiliary switch delivers reliable secondary contacts to support your control circuits, signaling, and interlock logic in 480 V environments. Built to integrate with Cutler-Hammer systems, it helps you extend the life of your gear while keeping downtime to a minimum.

Key features

• Part Number: HMCPE100R3CA1 for precise identification and compatibility checks
• Amperage: 100 A — capable of handling demanding control circuits and pilot signaling
• Poles: 3 — suitable for three-phase control scenarios in industrial equipment
• Voltage rating: 480 V — aligned with common industrial power distributions
• Function: Auxiliary switch designed to supplement primary protection and control within panels and switchgear
• Application suitability: Ideal for service, maintenance, and replacement tasks where reliable auxiliary signaling is required

Why it matters in your system

• Three-pole configuration enables coordinated control across multiple lines, simplifying wiring and reducing panel footprint
• 480 V compatibility makes it a practical choice for many industrial installations without the need for adapters or conversions
• 100 A capacity provides a robust, durable option for signaling and control functions in demanding environments
• Direct part-number reference helps ensure you’re selecting the correct accessory for your existing equipment and wiring scheme

Use cases and ideal applications

• Replacing a worn or failed auxiliary switch in switchgear, motor control centers, or panel boards
• Adding reliable auxiliary signaling in maintenance projects to monitor machine status and interlock systems
• Integrating with three-phase machinery where a dedicated auxiliary contact helps coordinate start/stop logic and safety processes

Compatibility and support

Notes: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we’ll help ensure the HMCPE100R3CA1 is the right choice for your specific application.