GD3100D | Circuit Breaker | 100A | 3-Pole | 480V

The GD3100D Industrial Circuit Breaker delivers precise, dependable overcurrent protection for 3‑phase 480V systems. With a 100A rating and a 3‑pole design, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact compatibility matters.

• Accurate, device‑level protection: 100 A current rating paired with a true 3‑pole configuration ensures balanced interruption across all phases, helping protect downstream equipment and wiring from overloads.
• Rugged industrial performance: Designed to withstand demanding facility environments and frequent operation within switchgear and panel boards, delivering reliable protection where it’s needed most.
• Clear compatibility reference: The part number GD3100D is your best guide for matching existing equipment. Use this reference to confirm fit with your current 3‑pole, 480V setup before ordering.
• Versatile for multiple scenarios: Ideal for planned maintenance, retrofits to upgrade protection, or replacements of aging breakers in 480V networks, helping minimize downtime and streamline procurement.
• Smart purchasing guidance: Always verify fit and ratings against your panel, switchgear, or MCC before committing. Correct alignment ensures seamless installation and dependable operation.

Use cases in the field:

• Replacing a failed breaker in a 480V, 3‑phase switchgear to restore full circuit protection quickly.
• Retrofit projects where an exact GD3100D equivalent is required to maintain system protection coordination.
• Maintenance intervals where a reliable, readily identifiable part number simplifies sourcing and service planning.

Practical tips for procurement and installation:

• Have your equipment documentation on hand to confirm that the GD3100D matches your 3‑pole, 480V configuration before ordering.
• Keep the GD3100D part number in your asset registry to speed future replacements and ensure consistency across your electrical protection strategy.