Westinghouse GMCP003A0CA3 Auxiliary Switch, 3A, 3-Pole, 277V

Meet the Westinghouse GMCP003A0CA3 Auxiliary Switch—a rugged, three-pole control device designed for industrial electrical service, maintenance tasks, and replacement projects. With a 3 A rating at 277 V, this compact switch delivers reliable signaling and control across three independent circuits in a single, space-efficient package.

Key specifications at a glance

• Current rating: 3 A
• Poles: 3 poles for simultaneous control of three circuits
• Voltage: 277 V
• Part number for compatibility: GMCP003A0CA3 — use this exact part number to confirm fit with your equipment and control scheme

Why this auxiliary switch matters in real-world setups: the 3-pole design lets you manage multiple control signals from a single device, simplifying wiring and maintenance in complex panels. The 277 V rating aligns with common industrial control circuits and lighting systems, while the 3 A capacity is ample for signaling, interlocks, and control logic without overtaxing the switch.

Ideal use cases

• Control signaling and interlock logic in machine control panels
• Replacement part for aging control circuitry during maintenance windows
• Integration with compatible Westinghouse control equipment to ensure consistent circuit operation
• Quick retrofit in facilities upgrading control reliability for 277 V systems

Compatibility and installation notes

• Always verify fit by part number GMCP003A0CA3 against your application requirements before purchasing
• Ensure your control circuit operates at 277 V and that three poles align with your wiring plan
• Consider this auxiliary switch as part of a broader control strategy to streamline maintenance and reduce downtime

If you need guidance confirming compatibility or matching a part number to your specific setup, message us and we’ll help ensure you choose the right component for your configuration.