Square D HGA36090SV 90A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36090SV, a rugged 3-pole circuit breaker engineered for reliable protection in 3-phase power systems up to 600 V. With a 90 A current rating, this unit delivers precise overload protection while keeping your distribution running smoothly in demanding environments.

Key specifications

• Current rating: 90 A
• Poles: 3
• Voltage rating: 600 V
• Model: HGA36090SV
• Brand: Square D

The 3-pole design provides balanced protection across all three hot legs, making it an ideal choice for 3-phase distribution panels and equipment. Built to endure daily electrical loads, the HGA36090SV helps prevent costly downtime by swiftly interrupting current during overloads or short circuits in 600 V systems.

Why choose the Square D HGA36090SV

• Precise 90 A protection for 3-phase circuits, helping safeguard motors, drives, and feeders from overload damage.
• Three-pole architecture ensures simultaneous disconnection of all live conductors, improving safety and system stability.
• Durable construction designed for industrial and commercial environments where reliability matters most.
• Clear compatibility designed for Square D panels that accept HGA-series breakers, facilitating straightforward replacements or upgrades.

Use cases and practical applications

• Protect 3-phase motors and equipment in manufacturing floors, processing lines, and heavy machinery rooms.
• Serve as a main feeder or branch protection in 3-phase distribution panels within commercial facilities.
• Use as a replacement breaker in compatible Square D panels, ensuring continuity of service with the same form factor and electrical characteristics.

Tips for optimal results

• Verify panel compatibility to ensure the HGA36090SV fits your Square D distribution panel and labeling.
• Keep a spare 90 A, 3-pole breaker on hand for rapid maintenance and minimal downtime.
• Document the part number (HGA36090SV) for future replacements or upgrades to maintain consistent protection across the system.