Eaton HFD3090L - 90 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HFD3090L is a 90A, 600V, 3-pole molded case circuit breaker designed to provide reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its compact molded-case footprint helps you maximize panel space without compromising safety or performance, making it a smart choice for modern electrical installations.

Key advantages

• Compact molded-case design saves valuable space inside panelboards and loadcenters, enabling cleaner, more organized electrical layouts.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both overload conditions and short-circuit faults, reducing nuisance trips and improving reliability.
• 3-pole configuration provides balanced protection for 3-phase circuits and motor loads, ensuring coordinated shutoff during fault conditions.
• 90A, 600V rating supports medium-load branch circuits while maintaining safety margins for higher voltage applications common in commercial and light industrial environments.
• OEM compatibility is designed to pair with matching Eaton loadcenters and panelboards, simplifying installation and ensuring proper fit and performance.
• Versatility across sectors suitable for residential, commercial, and light industrial applications where dependable protection matters.

Why it matters for your electrical system

Protection is only as good as its predictability. The HFD3090L’s thermal-magnetic trip unit offers precise response characteristics that you can rely on across a range of operating conditions—from steady-state loads to fault transients. By handling both overloads and short circuits, it helps prevent damage to downstream equipment, minimizes downtime, and supports safer maintenance practices in panel enclosures.

Ideal applications

• 3-phase branch circuits in commercial electrical rooms and service panels
• Motor start-up circuits and other demanding loads in light industrial settings
• Residential-commercial combined panels where space is at a premium and reliable protection is a must

Technical specifications

• Manufacturer: Eaton
• Part Number: HFD3090L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 90A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

For installers seeking a dependable, space-conscious MCCB solution that aligns with Eaton’s panel systems, the HFD3090L delivers clear operational advantages—from precise protection curves to straightforward integration with existing OEM hardware. It’s a practical, long-term choice for safeguarding electrical systems in diverse environments.