Square D HGA36030 - 30 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D HGA36030 is a reliable 30A, 600V, 3-pole plug-in molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Ready for quick swaps, this model delivers fast plug-in installation that minimizes downtime during service, maintenance, or expansions.

Key benefits that matter in real-world electrical distributions:

• Fast plug-in installation — streamlined snap-in connection for rapid replacement or upgrades, reducing labor time on both initial wiring and routine maintenance.
• Thermal-magnetic trip unit — combines thermal overload protection with magnetic short-circuit protection, delivering stable, repeatable protection across varying load conditions and fault scenarios.
• 3-pole design for 3-phase systems — ideal for commercial and light industrial panels where balanced protection across all phases is essential for equipment like motors, HVAC, and three-phase feeders.
• 600V rating — suitable for higher-voltage distribution within panelboards and load centers commonly used in business and industrial applications.
• OEM-compatible — engineered to fit and coordinate with matching Square D load centers and panelboards, ensuring proper mechanical fit and electrical alignment.
• Versatile application range — appropriate for residential, commercial, and light industrial environments that require reliable branch circuit protection and quick serviceability.

Technical snapshot for quick reference:

• Manufacturer: Square D
• Part Number: HGA36030
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases to consider:

• Upgrading a commercial panelboard that serves lighting, power circuits, and small equipment loads with a dependable, quick-install breaker.
• Expanding a three-phase distribution panel in light industrial settings where consistent protection across all phases is critical.
• Replacing aging breakers in residential multi-wire and three-phase configurations where reliable trip performance protects wiring and downstream devices.

Why this model stands out: the plug-in design cuts service time, while the thermal-magnetic trip unit delivers predictable responses to overloads and faults. Its OEM compatibility ensures seamless integration with existing Square D panelboards, helping you maintain proper coordination and safe operation throughout your electrical distribution system.