Eaton EHD3020 - 20 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Eaton EHD3020 is a 3-pole, 20A, 480V molded case circuit breaker designed for bolt-on installation in panelboards and load centers. Built to safeguard electrical systems with reliable branch circuit overcurrent and short-circuit protection, it’s a smart choice for residential, commercial, and light industrial applications where performance and durability matter.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection for dependable operation in environments with movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining overload sensing (thermal) with fast short-circuit response (magnetic) for consistent performance across varying temperatures and fault conditions.
• OEM compatibility is designed to work seamlessly with matching Eaton load centers and panelboards, helping maintain panel integrity and ease of replacement.
• Versatile 3-pole design supports 3-phase distribution, ideal for commercial and light industrial circuits that require reliable protection at 480V.

Technical snapshot

• Manufacturer: Eaton
• Part Number: EHD3020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating:
480V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Use the EHD3020 to protect branch circuits in panelboards and load centers where 480V three-phase distribution is standard. It’s well-suited for:

• Commercial electrical panels in offices, retail spaces, and service areas
• Light industrial distribution panels where reliability and vibration resistance are important
• Residential setups that require robust 3-pole protection in multi-phase configurations

Practical advantages and outcomes

• Enhanced protection leads to fewer nuisance trips and faster isolation of faults, helping minimize equipment damage and downtime.
• OEM-compatible design simplifies upgrades and replacements, preserving panel performance and warranty considerations.
• The bolt-on mounting provides a sturdier connection in environments subject to vibration or movement, contributing to long-term reliability.

With the Eaton EHD3020, you’re choosing a proven, purpose-built solution for reliable 3-phase protection at 480V. Part number EHD3020, crafted for panelboards and load centers, delivers precise thermal-magnetic protection where it matters most—keeping your electrical system safe, compliant, and ready for everyday demand.