Eaton GBH1020 - 20 A, 600 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Engineered for dependable branch circuit protection, the Eaton GBH1020 is a 20A, 600V, 1-pole bolt-on molded case circuit breaker designed for panelboards and load centers. Built to endure in residential, commercial, and light industrial environments, it delivers reliable protection where it matters most while maintaining a compact, easy-to-integrate form factor.

• Bolt-on mounting provides a rigid, vibration-resistant connection that stays put through normal operating conditions and occasional impacts, reducing the risk of connection looseness over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection against overcurrent and short circuits, helping prevent nuisance trips while responding quickly to genuine faults.
• 1-pole design at 20A, 600V offers precise single-circuit protection for standard lighting, receptacle, and small equipment circuits within panelboards and load centers.
• OEM-compatible with matching Eaton load centers and panelboards, ensuring a seamless fit and reliable electrical performance when upgrading or stocking spare parts.
• Versatile application suitable for residential, commercial, and light industrial installations that require robust, code-conforming overcurrent protection.

Specifications at a glance

• Manufacturer: Eaton
• Part Number: GBH1020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20 A
• Voltage Rating: 600 V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

In a home distribution panel, the GBH1020 protects individual circuits feeding lighting and outlets, delivering dependable fault protection without unnecessary interruptions. In small commercial spaces, it safeguards circuit segments that power outlets, lighting, or compact equipment, helping keep critical systems running smoothly. In light industrial settings, its bolt-on design and rugged construction support reliable protection for multiple branch circuits within a compact footprint.

Installation considerations

Choose a panelboard or load center that is compatible with bolt-on breakers and rated for 600V. The bolt-on mounting helps ensure a solid mechanical connection even in environments with vibration or temperature cycling. The thermal-magnetic trip maintains consistent protection performance across varying electrical loads, helping you meet safety and reliability standards without sacrificing ease of service.

Why the GBH1020 stands out

What sets this Eaton breaker apart is the combination of secure bolt-on mounting, precise thermal-magnetic protection, and seamless compatibility with Eaton OEM panelboards. It’s a purpose-built choice for professionals who demand dependable circuit protection that fits cleanly into existing electrical architectures, with clear performance benefits over generic, non-sector-specific alternatives.

Ready to specify or procure for your electrical project? The Eaton GBH1020 20A, 600V, 1-pole bolt-on circuit breaker from AmpState offers a reliable, field-proven solution for protecting your electrical infrastructure with confidence.