Square D EDB14030 - 30 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Square D EDB14030 is a 30A, 277V, 1-pole bolt-on molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Built for reliability in demanding electrical environments, its secure bolt-on mounting delivers a rigid, vibration-resistant bus connection that stays tight over time.

• Secure bolt-on mounting for a solid, vibration-resistant connection to bus bars, reducing the risk of loose connections in busy panels.
• Thermal-magnetic trip unit combines precise thermal protection with fast magnetic trip functionality, delivering stable, repeatable overcurrent and short-circuit protection.
• OEM-compatible design engineered to work with matching Square D load centers and panelboards for a straightforward, dependable upgrade or replacement.
• Versatile applications suitable for residential, commercial, and light industrial systems, particularly where 277V distribution is common.

Why this breaker matters

In panelboards and load centers where reliability matters, the EDB14030 provides predictable protection for critical circuits. The bolt-on style minimizes connection variability, while the thermal-magnetic trip ensures that nuisance trips are minimized and short-circuit events are cleared quickly. If you’re upgrading an aging panel or stocking parts for service calls, this unit offers a deterministic, service-ready solution that aligns with Square D standards.

Technical snapshot

• Thermal-magnetic molded case circuit breaker
• Amperage rating: 30A
• Voltage rating: 277V
• Number of poles: 1
• Mounting style: Bolt-on
• Part number: EDB14030
• Application: Branch circuit overcurrent and short-circuit protection
• Manufacturer: Square D

Ideal use cases

• Commercial buildings with 277V lighting and distribution circuits
• Residential-to-light industrial panel upgrades where a 1-pole, 30A breaker is needed
• Replacement in compatible Square D panelboards and load centers to restore reliable protection
• Emergency power or auxiliary circuits in small-to-medium facilities requiring robust, consistent trip performance

With the Square D EDB14030, you’re choosing a proven, purpose-built solution for dependable branch-circuit protection. It’s a practical, install-ready option that delivers precise protection characteristics, solid mounting and OEM compatibility—so you can trust it to perform when it matters most.