Square D EGB14020 20A 1P 277V Circuit Breaker, Bolt-On | AmpState

The Square D EGB14020 is a trusted 20 A, 1-pole, 277 V bolt-on circuit breaker designed for reliable circuit protection in panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, it’s a smart choice for maintenance teams, panel builders, and spare inventory where a direct part-number match matters.

Key benefits that matter in the real world

• Bolt-on mounting delivers a secure, field-ready connection that’s quick to install on compatible panels, reducing downtime during replacements or upgrades.
• 277 V operation makes it ideal for commercial and industrial lighting and distribution circuits where this voltage is standard, helping you maintain code-compliant protection.
• Single-pole, 20 A design provides targeted protection for individual branch circuits, keeping your critical equipment and lighting safeguarded without unnecessary interruptions.
• Direct part-number match aids in accurate stocking and faster sourcing, minimizing guesswork on job sites and in inventory management.
• Brand assurance from Square D means consistent performance, compatibility with Square D-compatible panelboards, and dependable protection you can trust.

Ideal use cases

• Replacing a failed 20 A, 1P breaker in commercial or industrial panelboards and load centers rated for 277 V systems.
• Adding spare inventory for maintenance crews and panel builders who require exact part-number compatibility.
• New installations where a direct fit is needed to ensure quick commissioning and reliable protection.

Why this model stands out

• Compatibility and availability—specifically designed for panels that require a bolt-on 1P 20 A 277 V solution, with AmpState carrying authentic Square D parts.
• Operational clarity—clear electrical protection for dedicated circuits, supporting safe and uninterrupted power distribution in busy commercial environments.
• Support when you need it—if you’re unsure about fit, you can reach out for guidance to confirm compatibility and ensure a perfect match for your panel system.

Technical specifications

• Manufacturer: Square D
• Part Number: EGB14020
• Product Type: Circuit Breaker
• Amperage: 20 A
• Poles: 1 Pole
• Voltage: 277 V
• Mounting: Bolt-On

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.