Square D HGA36040SP Circuit Breaker, 40A, 3-Pole, 600V

Square D HGA36040SP Circuit Breaker delivers robust, three-pole overcurrent protection for industrial electrical service, maintenance, and replacement projects. With a 40 A rating and a 600 V maximum voltage, this device safeguards demanding three-phase circuits, helping keep critical equipment online and operators safe.

• Three-pole design protects all three phases in a 3‑phase system, ensuring coordinated protection across the circuit.
• 40 A nominal amperage suited for motor loads, drives, conveyors, pumps, and other common industrial equipment.
• 600 V maximum voltage compatible with a wide range of industrial distribution panels and feeders.
• Part number HGA36040SP— verify fit by part number and application requirements to ensure proper compatibility with your panel or gear.
• Support for compatibility checks if you’re unsure about fit or replacement needs, message us to confirm compatibility against your equipment catalog or panel specification.

This Square D component is purpose-built for reliability in challenging environments. When you’re performing maintenance, updating aging gear, or executing a straightforward replacement in an industrial setting, the HGA36040SP provides a precise, drop-in option that aligns with your existing three-phase protection strategy.

Use cases and practical guidance

• Replacing a failed 3‑pole breaker in a 3‑phase industrial panel or switchgear assembly—use the exact part number HGA36040SP to confirm compatibility.
• Installing new protection for a 3‑phase feeder line that requires a 40 A, 600 V rating in service or control panels.
• Standardizing breakers across multiple machines or panels to streamline maintenance and inventory, reducing downtime during outages.

Specifications at a glance

• Amperage: 40 A
• Poles: 3
• Voltage: 600 V
• Part Number: HGA36040SP

Remember to verify fit by part number and application requirements to ensure proper protection and compliance with your electrical system. If you need assistance confirming compatibility, send a message and our team will help verify against your panel or equipment catalog.