Eaton GBH3100 - 100 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Eaton GBH3100 — a 100 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Built for long-term performance, this unit pairs a secure bolt-on mounting with a precise thermal-magnetic trip mechanism to keep electrical systems safe and responsive under varying operating conditions.

Key benefits that matter in real-world installations

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays tight through equipment operation.
• Thermal-magnetic trip unit delivers stable, repeatable protection against overloads and short circuits across temperature variations.
• Three-pole design supports 3-phase systems common in commercial and light-industrial environments.
• 100 A rating and 600 V capability make it suitable for main or feeder protection within panelboards and load centers.
• Designed for seamless compatibility with matching Eaton OEM load centers and panelboards, simplifying retrofits and multi-brand installations without compromising performance.

Why this matters for your electrical system

The bolt-on mounting reduces installation time and ensures a solid, vibration-resistant connection, minimizing the risk of loose bus bars and flaky contacts. The thermal-magnetic protection curve reacts quickly to short circuits while also safeguarding against nuisance trips from temporary overloads, helping to safeguard connected equipment and maintain uptime in busy facilities.

Ideal use cases

Perfect for residential service upgrades, commercial panel installations, and light industrial feeder circuits. Use the GBH3100 in new panelboards or as a compatible replacement component within Eaton-based systems to preserve panel compatibility and warranty expectations.

Technical snapshot

• Manufacturer: Eaton
• Part number: GBH3100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Equip your electrical distribution with a trusted protection device that aligns with Eaton panel ecosystems. The GBH3100 delivers dependable, immediate protection for demanding loads while maintaining compatibility with OEM panels and modern installations.