Square D | HGL36100AA | Circuit Breaker | 100A | 3-Pole | 600V

Square D's HGL36100AA circuit breaker delivers dependable, three‑phase protection for demanding electrical systems. Designed for maintenance, retrofit, and replacement projects, this 100A, 3‑pole unit provides consistent performance across all three phases in circuits up to 600V.

Why choose the HGL36100AA

• Amperage: 100A — precise, predictable protection for motors, feeders, and equipment draws.
• Poles: 3‑Pole — standard for three‑phase distribution, ensuring synchronized interruption across all phases.
• Voltage rating: 600V — suitable for industrial and commercial systems that operate at high voltages.
• Part number: HGL36100AA — the best reference for compatibility and replacement accuracy.
• Series: HGL — a robust line from Square D engineered for reliable protection in challenging environments.

Ideal use cases

• Maintenance and retrofit projects where exact specifications are required to match existing panels and wiring schemes.
• Replacement in industrial control panels, switchboards, and feeders that run up to 600V three‑phase systems.
• Motor control circuits, conveyors, pumps, compressors, and HVAC equipment that rely on coordinated phase protection.

What to know before you order

• Confirm fit and ratings by cross‑checking the panel's labeling and installation requirements. The part number HGL36100AA is the most reliable reference for compatibility.
• Ensure your enclosure and bus connections are rated for 600V and three‑phase operation to guarantee proper performance.
• When replacing a breaker, document the existing trip characteristics and coordination with neighboring devices to maintain system protection balance.

Equip your panel with a genuine Square D HGL36100AA circuit breaker to achieve precise, reliable protection for 3‑phase systems up to 600V. This unit is built for durability, minimizes downtime, and simplifies replacement with a clear compatibility reference for faster sourcing and installation.