Eaton HJD3100L - 100 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton HJD3100L — a 100 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to protect branch circuits in panelboards and loadcenters with unmatched reliability. Built for environments that demand solid connections and repeatable protection, this unit is a trusted solution for residential, commercial, and light industrial electrical systems.

Why the HJD3100L stands out

• Bolt-on mounting for a rigid, vibration-resistant bus connection — a secure installation that helps prevent loose connections and arc-related issues in demanding spaces.
• Thermal-magnetic trip unit — delivers stable, repeatable protection by responding to both overloads and short circuits, reducing intermittent trips and ensuring dependable performance when it matters most.
• 3-pole design — ideal for three-phase circuits common in commercial and light industrial applications, delivering coordinated protection across all poles.
• Panabed compatibility — specifically designed to work with matching OEM loadcenters and panelboards, ensuring seamless integration and optimal electrical performance.

Ideal use cases and practical applications

Use the Eaton HJD3100L as the main line protection in panelboards and loadcenters where clean, dependable overcurrent and short-circuit protection is essential. It’s well-suited for:

• Residential multi‑meter panelboards requiring robust branch circuit protection
• Commercial electrical rooms with 3‑phase distribution needs
• Light industrial panels where vibration and continuous duty demand a secure, reliable breaker

Technical snapshot

• Manufacturer: Eaton
• Part number: HJD3100L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

What to know when you shop for this breaker

Designed to align with Eaton’s own loadcenters and panelboards, the HJD3100L ensures cohesive performance and straightforward installation. When pairing with compatible panels, you benefit from consistent trip characteristics, predictable protection, and a streamlined maintenance experience. If you’re upgrading or fabricating a new panel, this 3-pole bolt-on MCCB provides a robust solution for three-phase power distribution with clear, repeatable protection profiles.

Purchased through AmpState, a trusted source for electrical equipment, the Eaton HJD3100L is ready to ship to professionals who demand reliability, precise protection, and compatibility with Eaton’s panel ecosystem. Install it with the appropriate torque specifications from the panel manufacturer, and you’ll have a solid, long-lasting protection point for your critical circuits.