Square D EDB14015 - 15 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Square D EDB14015 is a purpose-built 15 A, 277 V, 1-pole bolt-on molded case circuit breaker designed to protect branches in panelboards and load centers with unwavering reliability. Built for environments where stabilization and robust connections matter, this breaker delivers consistent overcurrent and short-circuit protection you can trust.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing the risk of loose contacts in demanding installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance across varying load conditions, helping prevent nuisance trips while safeguarding circuits.
• OEM-compatible design ensures seamless integration with matching Square D load centers and panelboards, simplifying upgrades and replacements.
• Versatile application ideal for residential, commercial, and light industrial use, especially in 277 V distribution scenarios common in commercial lighting and small equipment feeds.

Ideal use cases

Use the EDB14015 to protect single hot conductors in panelboards where a reliable 15 A, 277 V supply is required. It’s well-suited for retrofit projects, service panels in light commercial spaces, or auxiliary subpanels where vibration or physical stress is a concern. When you need quick, dependable isolation of a faulted branch, this bolt-on breaker helps maintain system uptime and electrical safety.

Who benefits most

Electricians, facilities managers, and maintenance crews deploying or stocking panelboards and load centers that operate at 277 V will appreciate the straightforward bolt-on installation and the dependable thermal-magnetic protection curve. It’s an excellent choice for circuits that demand solid performance with minimal maintenance in residential-adjacent commercial environments and light industrial setups.

Practical tips and insights

• Verify 277 V supply compatibility with your panelboard or load center before installation to ensure optimal performance.
• When replacing a similar unit, align mounting style and amperage with the OEM specifications to preserve bus integrity and trip characteristics.
• Keep spare 1-pole bolt-on breakers like the EDB14015 on hand for fast field service and reduced downtime during panel maintenance.

Technical specifications

• Manufacturer: Square D
• Part Number: EDB14015
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15 A
• Voltage Rating: 277 V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection