Eaton Cutler-Hammer 3T100FB 100A 3P 600V Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer 3T100FB — a trusted 3-pole, 100A, 600V circuit breaker designed to protect electrical distribution in panelboards, load centers, and service routes with unwavering reliability. Built for real-world installations, this model shines in retrofit projects where preserving the exact part number is important for service continuity and maintenance planning.

Why electricians choose the 3T100FB for critical protection tasks

• Exact part-number compatibility for retrofits: When updating or replacing equipment, staying with the same model number helps minimize surprises and keeps maintenance records clean.
• Balanced 3-pole protection suitable for 3-phase, 600V systems, delivering reliable shutdown control across all phases.
• 100A protection for demanding circuits: Supports substantial branch-circuit loads while preserving system safety and performance.
• Durable, trusted brand: Eaton Cutler-Hammer has a long-standing reputation in electrical distribution, offering predictable performance and compatibility with existing Eaton systems.
• Ready availability from AmpState: Secure stock and quick access to parts to keep projects on track and minimize downtime.

Who benefits most

• Facilities managers and maintenance teams overseeing commercial, industrial, or mixed-use buildings with Eaton-protected panel systems.
• Electrical contractors performing panelboard retrofits or load-center upgrades where consistency of part numbers matters for service documentation and future replacements.
• Project teams needing a dependable, standard component that integrates smoothly with existing distribution networks.

Key specifications at a glance

• Manufacturer: Eaton Cutler-Hammer
• Part Number: 3T100FB
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Voltage: 600 V
• Availability: AmpState

Practical tips for a smooth installation

• Verify panelboard compatibility by confirming the original part number on the panel labeling aligns with 3T100FB to avoid retrofit mismatches.
• Plan maintenance intervals around using the same model during replacements to maintain consistent mounting, wiring terminals, and trip characteristic expectations.
• If you’re unsure about fit, send us a message and we’ll help confirm compatibility with your specific panel or distribution setup.