Eaton HJD3125 - 125 A, 600 V, 3-Pole Circuit Breaker | AmpState

Introducing the Eaton HJD3125 - 125A, 600V, 3-Pole Circuit Breaker, the trusted solution for dependable branch-circuit protection in panelboards and load centers. Available through AmpState, this molded-case breaker is engineered to safeguard circuits and equipment from overcurrent and short circuits with consistent performance.

• Compact molded-case design: Optimizes panel space, making it easier to fit into tight panel layouts without compromising protection.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by reacting to both overload and short-circuit events, helping prevent nuisance trips while ensuring quick response when faults occur.
• 3-pole configuration: Provides reliable three-phase protection for commercial and light industrial systems, supporting balanced protection across all phases.
• 125A at 600V rating: Suitable for a wide range of branch circuits and motor-control applications common in medium-demand environments.
• OEM-load center compatibility: Designed to pair with matching Eaton OEM load centers and panelboards, reducing installation headaches and ensuring proper fitment.
• Versatile applications: Ideal for residential, commercial, and light industrial projects where space efficiency and dependable protection matter.
• Rugged, dependable Eaton engineering: Built to withstand daily electrical demand and provide long service life in demanding conditions.

This HJD3125 device is purpose-built to answer common questions like “Is there a compact 3-pole breaker for a 125A, 600V panel?” and “Will this fit my OEM panel center?” The answer is yes—with a precise fit, reliable protection, and straightforward integration into existing or new panelboards. Whether you’re upgrading a panel, wiring a new 3-phase rack, or stocking a spare for quick maintenance, this breaker delivers predictable performance when it matters most.

Specifications at a glance:

• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 125A
• Voltage rating: 600V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection