Square D EHB14020AS 20A 1P 277V Circuit Breaker, Bolt-On | AmpState

Meet the Square D EHB14020AS—a reliable, 20-amp, single-pole circuit breaker built for consistent protection in commercial and industrial electrical distribution. This bolt-on model is designed for panelboards, load centers, and other Square D assemblies where a fixed part number is essential for retrofit projects and ongoing maintenance.

Key features and benefits you’ll notice in the field:

• 20 A, 1-pole, 277V—specifically rated for standard 277-volt circuits typical in commercial installations, delivering dependable overcurrent protection where it matters most.
• Bolt-On mounting—engineered for secure, durable attachment to compatible panelboards, reducing vibration-related wear and simplifying field replacements.
• Square D quality—a trusted part number in the EHB family, designed to integrate smoothly with existing Square D panelboard and load center configurations.
• Consistent part number for retrofit—the EHB14020AS is ideal when project documentation or stock inventories require a stable, unchanging identifier.
• Availability from AmpState—ensuring reliable access to this specific 20A breaker when you’re planning maintenance or part replacements.

Why this breaker is a smart choice for your projects

• retrofit-friendly—keeps your installation aligned with existing part numbers, streamlining ordering, stocking, and maintenance planning.
• Secure, robust installation—bolt-on design provides solid mounting in compatible Square D panelboards, helping minimize service interruptions during changes or upgrades.
• Versatile for commercial distribution—the 277V rating makes it suitable for a range of distribution circuits in office, retail, and light industrial settings.
• Efficient compatibility checks—designed to work with panelboards and load centers that support the EHB series, making compatibility considerations straightforward in retrofit or replacement scenarios.

If you’re uncertain about fit, AmpState can help confirm compatibility. Message us with your panel model or service configuration and we’ll verify that the EHB14020AS matches your Square D installation.

Add the Square D EHB14020AS to your cart today to ensure you’re equipped with a trusted, readily available 20A, 1P, 277V bolt-on circuit breaker for panelboards and load centers.