Eaton Cutler-Hammer EHB3020 20A 3P 480V Circuit Breaker | AmpState

Eaton Cutler-Hammer EHB3020 is a purpose-built circuit breaker designed to safeguard your electrical distribution with precision in 3-phase, 480V environments. Built for panelboards and load centers, this 20A, 3-pole device delivers reliable protection where precise coordination and quick trip response matter most.

Key specifications at a glance

• 20 A
• Poles: 3
• Voltage rating: 480V
• Manufacturer: Eaton Cutler-Hammer
• Part number: EHB3020
• Application: Circuit protection for panelboards, load centers, and electrical distribution

Why this model stands out

• Exact BOM alignment: Designed to match the original part number, making replacements straightforward and reducing the risk of mismatched components in critical systems.
• Ready for spares planning: Ideal for stocking as a spare to minimize downtime on maintenance windows and ensure quick, dependable replacements.
• Structured for 3-phase, 480V systems: A robust choice for industrial or commercial electrical distributions that rely on stable, balanced three-phase hard-wiring.
• Trusted brand with broad compatibility: From a legacy manufacturer known for dependable protection devices, helping you maintain consistent performance across your panel inventory.

Ideal use cases

• Replacement projects where the original EHB3020 part number must be preserved in the BOM to ensure seamless sourcing and documentation.
• Maintenance fleets that require a dependable 3P 480V protection device on standby for quick swaps during scheduled outages.
• Industrial or commercial distributions using 480V three-phase infrastructure that need clean, predictable tripping behavior to protect motors and feeders.
• Retrofits or upgrades where panelboard compatibility and continuity of protection are critical to safety and uptime.

How it helps your operation

The EHB3020 delivers reliable overcurrent protection tailored to 480V, 3-pole installations, helping prevent equipment damage and unplanned outages. By choosing the exact original part, you preserve system coordination, ensure consistent trip characteristics, and simplify inventory management. This is especially valuable in facilities with strict BOM control or where technicians expect plug-and-play replacements to align perfectly with existing wiring schemes.

Practical considerations and tips

• Verify that your panelboard or distribution center is configured for 480V, 3-pole protection before ordering.
• Use this device as part of a documented spare strategy to minimize downtime during maintenance windows.
• If you’re unsure about fit, AmpState offers support to confirm compatibility and ensure you get the exact replacement for your original part number.

Support and compatibility

Need help matching a part number or confirming compatibility with your specific panel setup? Message AmpState, and our team will help verify fit and advise on the best ordering path to keep your electrical distribution running without surprises.

Choose the Eaton Cutler-Hammer EHB3020 for dependable 20A, 3-pole protection in 480V systems, with the clarity of BOM-aligned replacements and ready-to-ship availability from AmpState.