Square D JRA36175 - 175 A, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D JRA36175 is a 175 A, 3-pole plug-in molded case circuit breaker engineered to deliver dependable branch-circuit protection in panelboards and load centers. With a fast plug-in connection, it simplifies installation and quick replacement, helping minimize downtime during maintenance or upgrades.

• Fast plug-in connection for swift installation and effortless replacement in compatible Square D panelboards and load centers.
• Thermal-magnetic trip unit provides stable, repeatable protection against overcurrent and short circuits, ensuring predictable behavior under fault conditions.
• OEM-compatible design aligns with matching Square D load centers and panelboards to preserve system coordination and wiring integrity.
• 3-pole configuration ideal for 3-phase circuits, motor feeders, and distributed loads common in commercial and light industrial environments.
• 175 A amperage rating suited to high-load branch circuits while maintaining robust protection standards.
• Versatile applications suitable for residential, commercial, and light industrial installations where reliable protection and quick serviceability matter.

Use cases and practical scenarios

install or upgrade panelboards in commercial spaces with 3-phase systems, where a 175 A, 3-pole device helps protect large motor loads, HVAC feeders, and distribution circuits.

Replace a failing breaker in existing Square D panels without reconfiguring the bus or bus-stabs, thanks to the plug-in design that speeds maintenance and reduces panel downtime.

In new construction or renovations, pair this JRA36175 with compatible OEM load centers to maintain electrical coordination, clear trip curves, and predictable tripping behavior across across all protection devices.

Why this model stands out

Unlike generic breakers, the JRA36175 is purpose-built for Square D panel systems, delivering a seamless plug-in experience and a thermal-magnetic protection strategy that’s tuned for reliability in busy electrical rooms. Its 3-pole, 175 A configuration covers demanding three-phase applications while remaining compatible with standard residential and light industrial layouts.

Technical snapshot

• Manufacturer: Square D
• Part Number: JRA36175
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 175 A
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Installation and compatibility notes

For best results, pair the JRA36175 with matching OEM Square D load centers and panelboards. Verify that your panel is designed for plug-in molded case breakers of this size and rating, and follow standard safety procedures for de-energizing equipment prior to installation or replacement. This breaker is designed to deliver quick serviceability without sacrificing protection performance, helping maintain system reliability in residential, commercial, and light industrial environments.