Eaton GHB3100S1 - 100 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Eaton GHB3100S1 — a robust 100 A, 480 V, 3-pole bolt-on molded case circuit breaker designed to shield panelboards and load centers from overloads and short circuits.

With a secure bolt-on mounting for a rigid, vibration-resistant bus connection, this breaker stays tight under start-ups and heavy loads, keeping your distribution reliable. The thermal-magnetic trip unit delivers stable, repeatable protection across a wide range of circuits, instantly responding to short circuits while smoothly handling typical overloads.

Designed for compatibility with matching OEM load centers and panelboards, the GHB3100S1 simplifies replacement and ensures proper electrical coordination across your system. Its three-pole configuration provides balanced protection for 3-phase circuits, reducing the risk of unbalanced phase loading in commercial and light industrial environments. Suitable for residential, commercial, and light industrial applications where reliable 3-phase protection is critical.

Key use cases:

• Commercial panelboards and distribution centers where 3-phase, 480 V protection is required.
• Light industrial equipment and HVAC controls that demand dependable overcurrent and short-circuit protection.
• Retrofit projects where a bolt-on, OEM-compatible breaker is needed for a tight fit and consistent performance.

Technical snapshot:

• Manufacturer: Eaton
• Part number: GHB3100S1
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 480 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

To maximize reliability, ensure you install the GHB3100S1 in a compatible Eaton OEM panel or load center, and follow panel manufacturer guidelines for torque and wiring. This breaker is built to endure the demands of real-world electrical environments, delivering consistent protection when it matters most.