Square D | Q221175BC | Circuit Breaker | 175A | 2-Pole | 240V

Square D Q221175BC Circuit Breaker offers a precise, reliable solution for protecting high‑demand 240V circuits in maintenance, retrofit, and replacement projects. With a 175A rating and a 2‑pole design, this genuine Square D part protects both hot legs in tandem, helping keep your electrical system safe and compliant.

Why this breaker is the right choice

• Exact spec match: 175A, 2‑Pole, 240V — the specific combination required for many Square D panels. The part number Q221175BC is the best reference for compatibility.
• Genuine Square D replacement: designed to fit and perform like the original, reducing installation risk and downtime.
• Ideal for maintenance, retrofit, and replacement: a practical solution to restore protection without a full panel upgrade.
• Clear compatibility guidance: before ordering, confirm fit and ratings against your panel’s labeling; the Q221175BC model is the recommended reference.

Best use cases

• Retrofit projects in existing Square D panels that require a 175A, 2‑pole, 240V breaker.
• Protection for large feeders and high‑current branch circuits in commercial or light industrial settings.
• Replacement in aging panels to restore reliable circuit protection without altering panel architecture.

Installation and safety notes

This high‑current device should be installed by qualified personnel. Ensure the panel supports a 2‑pole 175A 240V configuration and verify fit and ratings before ordering. Follow standard electrical safety practices, shut off main power, and consult the panel’s documentation for torque and installation guidelines.

Compatibility reminder: the part number Q221175BC is the best reference for ensuring a correct match in your Square D panel. If the panel labeling aligns with this specification, this breaker is a suitable replacement option.