Square D QJL32175 - 175 A, 3-Pole Circuit Breaker | AmpState

Square D QJL32175 is a 175 A, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for reliability in everyday electrical distribution, this unit is a solid choice for a wide range of residential, commercial, and light industrial applications.

Key benefits that matter in the real world

• Compact molded case design maximizes panel space, making it easier to fit multiple breakers in tight enclosures without sacrificing protection.
• Thermal-magnetic trip unit provides stable, repeatable protection performance, reducing nuisance trips while safeguarding conductors and connected equipment.
• OEM-compatible designed to work with matching Square D load centers and panelboards, simplifying retrofit projects and ensuring a clean, code-compliant fit.
• Versatile installation suitable for residential, commercial, and light industrial environments where reliable three-phase protection is required.

Why this 3-pole MCCB stands out

• The 3-pole configuration enables robust protection for three-phase systems, making it ideal for distribution panels and feeders in settings that rely on balanced three-phase power.
• At 175 A, it offers a strong balance between protective capability and feasible conductor sizing for mid-to-large branch circuits.
• As a molded case breaker, it combines solid protection with a compact footprint, helping you maximize panel efficiency while maintaining clear labeling and easy identification of circuits.

Use cases and ideal applications

• Upgrading or refurbishing panelboards in offices, retail spaces, or light industrial facilities that require reliable three-phase protection and space-conscious design.
• Replacing aging or single-use breakers in Square D panels to restore consistent overcurrent and short-circuit protection across multiple circuits.
• Implementing a modular protection strategy in new installations where a compatible, three-pole 175 A breaker is needed to service feeder or large branch circuits.

Specifications at a glance

• Manufacturer: Square D
• Part number: QJL32175
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 175 A
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re stocking up for ongoing panel maintenance or planning a circuit-density upgrade, the Square D QJL32175 175 A 3-pole MCCB from AmpState brings trusted protection, precise trip performance, and seamless compatibility with existing Square D panel systems. Add it to your cart today and ensure your distribution equipment stays safeguarded against overcurrent and short-circuit events.