Eaton EHD2020 - 20 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Eaton EHD2020 redefines branch-circuit protection for 480V systems with a precise 20A, 2-pole bolt-on molded case circuit breaker. Built for reliability in panelboards and load centers, this unit pairs a rugged bolt-on mounting with a thermal-magnetic trip system to deliver steady, repeatable protection in busy electrical environments.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping prevent loose-term performance issues in panels subjected to motion or equipment vibration.
• Thermal-magnetic trip unit delivers stable overload and short-circuit protection, reducing nuisance trips while maintaining fast, predictable response when fault currents appear.
• 2-pole design for 480V distribution ideal for commercial, light-industrial, and some residential applications that require reliable phase-to-phase protection.
• 20A rating makes it suitable for protecting branch circuits such as lighting, receptacle networks, and small-motor loads within 480V systems.
• OEM-compatible with matching Eaton load centers and panelboards, enabling straightforward upgrades, retrofits, or replacements without sacrificing performance.

Technical snapshot

• Manufacturer: Eaton
• Part Number: EHD2020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 480V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why engineers and electricians choose the Eaton EHD2020

When panel space is at a premium and reliability is non-negotiable, this breaker’s bolt-on design provides a sturdier, more vibration-tolerant connection than plug-on options. The thermal-magnetic protection strategy minimizes both nuisance trips and the risk of catastrophic faults, giving you consistent performance across temperature variations and load swings. Its 480V compatibility unlocks safer, compliant operation for mid-to-large commercial and light-industrial electrical distributions, while its 20A rating aligns neatly with common branch circuits in these environments.

Ideal use scenarios

• Retrofits or upgrades in panelboards and load centers that require a robust bolt-on 2-pole breaker.
• New installations for 480V distribution in commercial settings—lighting, power, and controlled equipment circuits.
• Applications in environments with vibration or mechanical stress where a secure bus connection is essential.

Practical tips and best practices

• Confirm panel compatibility with Eaton EHD-series bolt-on breakers to ensure a proper fit and reliable operation.
• Follow manufacturer torque recommendations and installation guidelines to maintain the integrity of the bolt-on connection.
• Use this 20A, 480V breaker for circuits that require both overload protection and short-circuit protection on 480V systems; reserve higher or lower ampacity breakers for circuits matching those ratings.
• Maintain clean bus surfaces and remove any debris before installation to maximize contact reliability and minimize future maintenance.

Choose the Eaton EHD2020 for a dependable, purpose-built solution that combines secure mounting, precise protection, and OEM panel compatibility—delivering peace of mind across residential-adjacent commercial, light-industrial, and hybrid environments that rely on 480V distribution.