Square D HDA36100SP 100A 3-Pole 600 V Circuit Breaker

The Square D HDA36100SP 100A 3-Pole 600 V Circuit Breaker delivers dependable, three‑phase protection for commercial and industrial electrical systems. With part number HDA36100SP, this breaker is built to integrate seamlessly into Square D panel boards and switchgear, offering reliable overcurrent protection for demanding installations up to 600 volts.

Key specifications at a glance

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36100SP
• Brand: Square D (Schneider Electric) – part of the HDA-series family

Why this breaker stands out

• Three-pole protection for balanced 3-phase systems: Safeguards motors, conveyors, pumps, and other three-phase loads from overloads and short circuits.
• High-voltage capability: Designed to handle up to 600 V, making it suitable for commercial and industrial feeders and main circuits.
• Authentic replacement part: The HDA36100SP designation ensures you’re sourcing an exact Square D specification that’s compatible with compatible panels, accessories, and coordination practices.
• Reliable integration with Square D ecosystems: Engineered to work with Square D enclosures and accessories, supporting straightforward installation and consistent performance.

Ideal use cases

• Protect 3‑phase feeders and motor circuits in industrial equipment rooms, warehouses, and manufacturing lines.
• Serve as a dependable service disconnect or distribution protection in facilities that run on medium-to-large 3‑phase loads.
• Upgrade or replace aging protection devices in Square D panels to maintain system coordination and reliability.

Practical notes for installation and compatibility

Ensure the panel or switchgear accepts HDA-series breakers and that installation follows local electrical codes and NEC requirements. For best results, pair this breaker with the appropriate Square D accessories and torque specifications outlined in the manufacturer’s installation guide. Contact a licensed electrician to verify suitability for your specific 3‑phase load and to perform any replacements or upgrades.

Upgrade your protection with the Square D HDA36100SP 100A 3-Pole 600 V Circuit Breaker—trusted performance for demanding, three-phase systems.