Square D KAL36175V1021 175A 3-Pole 36175 V Circuit Breaker

Meet the Square D KAL36175V1021 175A 3-Pole 36175 V Circuit Breaker — a purpose-built protection device crafted for demanding 3-phase systems in commercial and industrial settings. This part delivers dependable overcurrent protection within Square D’s trusted engineering framework, making it a reliable drop-in solution for upgrading panels or replacing aging breakers.

Key specifications

• Part number: KAL36175V1021
• Brand: Square D
• Current rating: 175 A
• Poles: 3
• Voltage rating: 36175 V

What makes this 3-Pole breaker stand out

• Three-pole design tailored for balanced 3-phase distribution, enabling synchronized protection across all live conductors.
• High-current capability at 175 A, ideal for protecting heavy feeders and equipment without nuisance tripping.
• Direct compatibility with Square D panels and enclosures that accept KAL-series breakers, simplifying replacement and inventory management.
• OEM-grade reliability backed by Square D’s engineering heritage, offering consistent performance in fluctuating industrial environments.

Ideal use cases

• Protecting three-phase motors, conveyors, and large machinery on manufacturing floors.
• Guarding substantial feeders in commercial electrical rooms and data-center infrastructure deployments.
• Replacing worn or failed breakers in compatible Square D panelboards to restore safe, continuous operation.

Why choose this breaker over alternatives

When your system runs on 3-phase power, a dedicated 3-pole breaker like the Square D KAL36175V1021 provides coordinated protection across all phases, reducing the risk of uneven fault currents and improving system stability. Its 175 A rating is designed to safeguard heavy-duty feeders without compromising on responsiveness, and its compatibility with Square D panels ensures a seamless fit and straightforward maintenance.

Installation and care tips

Verify that your panel is rated for the KAL-series breakers and designed to operate at the listed voltage. During replacement, ensure the enclosure, conductors, and lugs meet the required specifications for a secure, code-compliant installation. For ongoing reliability, store and handle the unit per standard electrical safety practices and replace it with like-for-like parts to maintain system integrity.