Eaton EHD1015 - 15 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Eaton EHD1015 is a 15A, 277V, 1-pole bolt-on molded case circuit breaker built to guard branch circuits in panelboards and load centers. Engineered for dependable protection in demanding environments, this unit delivers precise thermal-magnetic protection and a rugged, vibration-resistant connection that stays secure under real-world conditions.

• Bolt-on mounting provides a rigid, vibration-resistant bus connection, minimizing movement that can compromise protection and long-term reliability.
• Thermal-magnetic trip unit delivers stable, repeatable overcurrent and short-circuit protection, reducing nuisance trips while responding quickly to faults.
• 277V, 1-pole, 15A configuration is ideal for commercial lighting circuits, small equipment feeders, and other branch circuits in panelboards and load centers.
• OEM-compatible design ensures a seamless fit with matching Eaton panelboards, simplifying installation and ongoing maintenance.
• Versatile for multiple settings suitable for residential, commercial, and light industrial applications where reliable protection is essential.

Where this breaker shines

• Commercial spaces with 277V electrical systems needing robust protection for lighting and receptacle circuits.
• Retail environments or offices that require predictable trip behavior to minimize downtime after an overload.
• New installations or panelboard upgrades that prefer a bolt-on, molded-case solution for a durable, vibration-tolerant connection.

Technical snapshot

• Manufacturer: Eaton
• Part number: EHD1015
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 15 A
• Voltage rating: 277 V
• Number of poles: 1
• Mounting style: Bolt-on
• Applications: Branch circuit overcurrent and short-circuit protection

Why choose this Eaton breaker over other options? The bolt-on design delivers a more secure bus connection in environments with vibration or movement—common in mechanical rooms and installations with flexible wiring. The thermal-magnetic trip unit aligns with real-world load patterns, reducing unnecessary trips while providing rapid response to actual faults. When paired with matching OEM Eaton panelboards, you gain a cohesive, dependable protection solution with straightforward compatibility and maintenance.

Practical installation tips

• Ensure panelboard compatibility with the Eaton EHD1015 and keep the bus connection clean and free of oxidation before mounting.
• Apply the correct torque to mounting terminals according to Eaton’s guidelines to preserve bolt-on integrity.
• Use this breaker for circuits operating near 277V and within the 15A limit; avoid exceeding its rating on active loads.
• Perform periodic inspections for signs of wear, looseness, or vibration that could affect long-term reliability.