Square D | HGA36100U44XENAABC | Circuit Breaker | 100A | 3-Pole | 600V

Introducing the Square D HGA36100U44XENAABC—a genuine 100A, 3‑pole circuit breaker engineered for demanding 3‑phase applications. Built to meet exact Square D specifications, it’s the reliable choice for maintenance, retrofit, and replacement projects where precise compatibility matters.

• Amperage: 100A
• Poles: 3‑Pole
• Voltage: 600V
• Reference: Part number HGA36100U44XENAABC
• Best use: maintenance, retrofit, and replacement in 3‑phase, 600V systems
• Key guidance: confirm fit and ratings before ordering; the part number is the most reliable compatibility reference

Why this exact part matters for your system

As a 3‑pole breaker, it protects three live conductors in 600V circuits, making it ideal for industrial feeders, large commercial loads, and motor control setups. Choosing the exact Square D part ensures the breaker aligns with your panel’s internal geometry, terminal layout, and trip characteristics—reducing the risk of misfit, nuisance trips, or later compatibility issues during service.

Ideal use cases

• Retrofits: replace aging or failed 3‑phase breakers in 600V panels without modifying wiring or panel hardware
• Maintenance: keep a ready-to-swap unit on hand for fast downtime reduction
• New installations: specified for facilities upgrading to or expanding 600V three‑phase electrical systems

What to check before purchasing

Verify that the HGA36100U44XENAABC matches your panel model and the required amperage (100A) and voltage (600V). Rely on the part number as your primary compatibility reference to ensure a seamless fit and reliable protection.

Practical installation and maintenance tips

• Power down and apply lockout/tagout procedures before replacing any breaker
• Use the appropriate torque specs for terminals and ensure proper seating within the panel
• Document the replacement in your maintenance log, noting the exact part number for future servicing

For dependable 600V, three‑phase protection with precise compatibility, the Square D HGA36100U44XENAABC 100A 3‑pole circuit breaker delivers the performance and reliability you expect from a trusted industrial electrical component.