Eaton HKD3150 - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HKD3150 is a 150 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for reliable performance in busy electrical panels, it helps you protect wiring and devices while keeping service interruptions to a minimum.

• Compact molded-case design maximizes panel space, letting you fit more protection without crowding the enclosure.
• Thermal-magnetic trip unit delivers stable, repeatable protection across temperature and load variations, reducing nuisance trips and ensuring predictable disconnection when faults occur.
• OEM-ready compatibility designed to pair with matching Eaton OEM loadcenters and panelboards for a seamless, matched protection system.
• Three-pole configuration supports multi-wire and three-phase applications, ideal for commercial and light industrial electrical systems.
• Versatile rating rated at 150 A and 600 V, suitable for branch circuit protection in a range of settings—from residential panels to commercial and light industrial installations.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HKD3150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150 A
• Voltage Rating: 600 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters

Who should consider the Eaton HKD3150? Electricians and facility managers looking to upgrade or expand protection within panelboards and loadcenters will appreciate its compact form, reliable trip behavior, and compatibility with Eaton’s original equipment. It’s particularly well-suited for spaces where panel real estate is at a premium, and where a robust, three-pole protection solution is needed for multi-wire or three-phase systems.

Practical tips for use: ensure you select the HKD3150 within its 150 A rating for circuits that require strong protection without frequent nuisance trips. Pair it with compatible Eaton loadcenters to maintain a cohesive protection strategy, and follow installation guidelines to preserve coordinated protection across your electrical distribution system.