Square D EDB14070 - 70 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D EDB14070, a 70A, 277V, 1-pole bolt-on molded case circuit breaker designed to safeguard your most important branch circuits. Built for dependable overcurrent and short-circuit protection in panelboards and load centers, this breaker pairs rugged hardware with precise protection to keep commercial and residential power running smoothly.

Key features that translate into real-world reliability:

• Secure bolt-on mounting delivers a rigid, vibration-resistant connection to the bus, reducing wear and connection drift in environments with equipment vibration or temperature cycling.
• Thermal-magnetic trip unit provides stable, repeatable protection performance, delivering fast, predictable response to overcurrent and short-circuit events.
• OEM-compatible design ensures seamless integration with matching Square D OEM load centers and panelboards for code-compliant, plug-and-play installations.
• Versatile for multiple environments ideal for residential, commercial, and light industrial applications where 277V distribution is common, such as commercial lighting runs and other single-phase loads.

Why this 70A 277V 1-pole breaker matters

In commercial and light industrial settings, 277V circuits power lighting, pumps, and control equipment. The EDB14070 targets these critical branches with a dedicated 70A capacity, providing robust protection without unnecessary nuisance trips. Its molded case construction and bolt-on mounting are designed for durable, long-term service in panelboards and load centers, helping facilities managers keep maintenance minimal and uptime high.

Ideal use cases

• 277V lighting branch circuits in offices, retail spaces, schools, and healthcare facilities
• Single-pole protection for high-current auxiliary loads that feed through main panelboards
• Retrofit installations where OEM panel compatibility is essential for warranty and compliance

Technical details at a glance

• Manufacturer: Square D
• Part Number: EDB14070
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 70A
• Voltage Rating: 277V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

With the Square D EDB14070, you’re choosing a trusted solution that combines precise protection, durable mounting, and OEM-ready compatibility. It’s an investment in safer electrical distribution and smoother operation for your panelboards and load centers.