Eaton | GHB3030I | Circuit Breaker | 30A | 3-Pole | 277V

Discover the Eaton GHB3030I—an authoritative 30-amp, 3-pole circuit breaker designed for 277-volt distribution. Built for maintenance, retrofit, and replacement projects, this breaker ensures you can restore or upgrade critical 3‑phase circuits with exacting compatibility and reliable protection.

Key specifications

• Amperage: 30A
• Pole configuration: 3-Pole
• Voltage rating: 277V
• Part number: GHB3030I

Important note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your panel and system.

Why this matters for your system

The Eaton GHB3030I is purpose-built for three-phase, 277V applications, common in commercial buildings and lighting or equipment feeders. With a precise 30A rating, it provides targeted overcurrent protection where you need it most, helping prevent damage to wiring and connected loads while maintaining system reliability during maintenance or upgrades.

Ideal use cases

• Maintaining or upgrading existing Eaton panels that require a GHB3030I-compatible 30A, 3-pole, 277V breaker.
• Retrofit projects where exact spec matching ensures seamless replacement without panel reconfigurations.
• Replacement of worn or failed breakers in three-phase 277V distribution circuits, such as commercial lighting or motor feeders.

Installation and practical considerations

• Always shut off power and follow proper lockout/tagout procedures before servicing the panel.
• Verify the panel’s required amperage, voltage, and pole configuration to ensure a precise fit with the GHB3030I.
• Install using manufacturer-recommended torque specifications and mounting procedures for secure operation and reliable tripping performance.

Distinctive value

Unlike generic substitutes, the Eaton GHB3030I is a deliberate, exact-match solution for 3-pole 277V circuits. Its 30A rating aligns with typical protection needs in commercial electrical environments, and its part-number-driven compatibility minimizes the risk of mis-match during maintenance or retrofit projects. When you choose GHB3030I, you’re prioritizing dependable protection that aligns with your existing Eaton infrastructure and installation standards.