Cutler-Hammer GD3100K Circuit Breaker, 100A, 3-Pole

The Cutler-Hammer GD3100K is a rugged 3-pole circuit breaker built for demanding industrial electrical service, maintenance, and replacement projects. With a 100 A rating and three poles, this unit delivers three-phase protection for large feeders and motor circuits, helping keep critical equipment up and running while safely isolating faults.

• Three-pole, three-phase protection designed to safeguard industrial motors and equipment in multi-phase power systems.
• 100 A rating provides robust protection for sizable feeders and branch circuits common in manufacturing, warehousing, and processing facilities.
• Trusted Cutler-Hammer reliability—a time-tested name in industrial electrical protection that technicians rely on for consistent performance.
• Exact-fit identification with part number GD3100K ensures you’re selecting the precise breaker for your application; verify compatibility against your panel and wiring requirements.
• Versatile use cases including new installations, service upgrades, and component replacements within industrial electrical systems and control panels.
• Clear compatibility guidance if you’re unsure about fit, our team can help you confirm compatibility by part number and application needs—message us for expert assistance.

When planning a replacement or upgrade, verify that the GD3100K matches your panel specifications and system requirements. Confirm voltage rating, interrupting capacity, and the intended enclosure or panel board compatibility to avoid mismatches. If you need help matching the part number to your exact setup, we’re ready to assist—just reach out with your project details.

Choose the Cutler-Hammer GD3100K for reliable, industry-grade protection in demanding environments. It’s designed to support uptime and safety in industrial electrical service, maintenance, and replacement projects, making it a practical choice for facilities that rely on stable three-phase power.