Eaton EHD1020 - 20 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton EHD1020 — a 20A, 277V, 1-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for consistent performance, it’s a smart, durable choice for electrical professionals upgrading or expanding distribution systems.

Secure, vibration-resistant mounting. The bolt-on design guarantees a rigid bus connection, reducing the risk of loose connections in environments where equipment experiences movement or vibration. That stability translates into reliable protection and fewer service interruptions over time.

Thermal-magnetic protection you can count on. The integrated thermal-magnetic trip unit offers stable, repeatable protection across temperature fluctuations and varying loads, delivering prompt response to overloads and short circuits to keep circuits safe.

OEM-compatible and easy to retrofit. Engineered to pair with matching OEM load centers and panelboards, this 1-pole breaker slides into place with confidence for straightforward installations and dependable compatibility.

Versatile across settings. With a 277V rating, it’s well suited for commercial lighting circuits and other 277V distribution paths, while its compact molded-case design fits neatly into residential, commercial, and light industrial applications.

Key specifications

• Manufacturer: Eaton
• Part Number: EHD1020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 20A
• Voltage rating: 277V
• Number of poles: 1
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Panelboard and load center installations needing reliable 20A protection at 277V
• Residential, commercial, and light industrial projects where OEM compatibility and quick, secure mounting matter
• Upgrades or retrofits that require a proven thermal-magnetic solution for consistent fault protection

Practical considerations

• Confirm compatibility with your OEM panel or load center to ensure seamless integration and accurate trip performance.
• Utilize the bolt-on mounting to maintain a solid connection in environments with vibration or mechanical movement.
• Rely on the thermal-magnetic trip to balance protection against nuisance trips during mild surges while still delivering fast response to genuine faults.

Choose the Eaton EHD1020 for a reliable, OEM-friendly solution that protects your electrical distribution with precise, consistent performance across a range of commercial and light industrial environments.