Eaton EHD1045 - 45 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Eaton EHD1045 is a 45A, 277V, 1-pole bolt-on molded case circuit breaker designed to safeguard branch circuits with precision and reliability. Built to anchor your protection strategy in panelboards and loadcenters, this breaker delivers a rugged, vibration-resistant connection that stays secure even in demanding electrical environments.

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays tight through steady operation and movement.
• Thermal-magnetic trip unit combines precise thermal overload sensing with instantaneous magnetic trip, delivering stable, repeatable protection across temperature changes and load fluctuations.
• 45A, 277V, 1-pole design ideal for single-phase circuits common in commercial lighting and small equipment feeders.
• Panel compatibility crafted to be compatible with matching OEM loadcenters and panelboards, simplifying replacement and ensuring reliable fit.
• Versatile applications suitable for residential, commercial, and light industrial environments where dependable overcurrent and short-circuit protection is essential.

Use cases and benefits you can count on:

• Protect 277V lighting circuits in commercial spaces, offices, and retail environments from overcurrent and short circuits, reducing the risk of fire or equipment damage.
• Provide robust protection for branch circuits feeding small mechanical loads or control circuits in light industrial settings, while maintaining easy maintenance and replacement within Eaton’s EHD family.
• Rely on a dependable add-on breaker that complements your OEM panelboard lineup, helping keep existing infrastructure safe without unnecessary upgrades.

Technical snapshot

• Manufacturer: Eaton
• Part number: EHD1045
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 45A
• Voltage: 277V
• Poles: 1
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Engineered for durability, seamless panel integration, and predictable protection performance, the Eaton EHD1045 from AmpState is the reliable choice when you need precise, code-compliant circuit protection that holds up in busy electrical rooms. Add it to your order today and secure lasting protection for your electrical infrastructure.