Square D EGB14020EPD - 20 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Square D EGB14020EPD delivers reliable, targeted protection for branch circuits in panelboards and loadcenters. At 20 A and 277 V, this 1-pole bolt-on molded case circuit breaker is engineered for steady, predictable performance in demanding environments—from cozy homes to bustling commercial spaces and light industrial applications.

• Secure bolt-on mounting guarantees a rigid, vibration-resistant bus connection, helping maintain consistent electrical contact even in panels subject to movement or vibration.
• Thermal-magnetic trip unit provides stable, repeatable protection across varying loads and ambient temperatures, reducing nuisance trips while safeguarding circuits from overcurrent and short circuits.
• 277 V, 20 A, 1-pole design tailored for single-phase circuits such as commercial lighting, receptacle circuits, and control feeders commonly wired for 277 V systems.
• OEM-compatible when paired with matching Square D load centers and panelboards, ensuring seamless interoperability and hassle-free replacement in existing installations.
• Versatile for multiple sectors ideal for residential setups that require reliable branch protection, commercial spaces with lighting and small equipment circuits, and light industrial environments.

Why this specific circuit breaker matters In any panel, a single poorly protected circuit can lead to overheating, equipment wear, or unexpected outages. The EGB14020EPD’s thermal-magnetic protection is designed to respond quickly to faults, while its bolt-on construction minimizes connection problems that can arise with other mounting styles. This combination translates to fewer interruptions, safer operation, and easier service in the long run.

Technical snapshot

• Manufacturer: Square D
• Part Number: EGB14020EPD
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20 A
• Voltage Rating: 277 V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits most This breaker is a practical choice for electricians and facility managers seeking a dependable, OEM-compatible solution for 277 V panel installations. It’s especially well-suited for updating or stocking panelboards in commercial buildings, office spaces with standardized 277 V lighting circuits, and light industrial sites where durable, repeatable protection is essential.

With the Square D EGB14020EPD, you’re choosing a proven, purpose-built component designed to integrate smoothly with existing Square D panel ecosystems while delivering precise protection and long-term reliability for your 277 V, 20 A single-pole circuits.