Square D IK34175 175A 3-Pole 480 V Circuit Breaker

Introducing the Square D IK34175 175A 3-Pole 480 V Circuit Breaker—a purpose-built protection device engineered for demanding three-phase power systems. With a 175 A rating and a 3-pole configuration, this breaker delivers coordinated protection across all phases, helping to prevent motor and transformer damage in busy industrial environments.

The IK34175 is designed to interrupt fault currents in 3-phase circuits at 480 V, making it a precise and reliable choice for commercial facilities and manufacturing settings that rely on robust, steady power delivery. By ensuring simultaneous tripping of all phases, it minimizes the risk of unbalanced faults and reduces the potential for equipment downtime.

Key specifications

• Current rating: 175 A
• Poles: 3
• Voltage rating: 480 V
• Part Number: IK34175

Ideal use scenarios

Best suited for industrial and commercial applications where large motors, transformers, or feeders operate on 480 V three-phase power. Use cases include motor control centers, distribution panels, and panelboards in manufacturing lines, HVAC plants, and heavy machinery environments where reliable protection and quick fault isolation are critical.

What makes this Square D breaker unique

Designed to integrate seamlessly with Square D distribution systems, the IK34175 offers dependable compatibility with existing panels and accessories, reducing retrofit complexity. Its three-pole arrangement ensures coordinated response across all phases—enhancing safety and minimizing the risk of partial power loss during faults.

Practical tips for best results

• Confirm that your installation uses a 3-phase, 480 V service and that the panelboard is compatible with a 3-pole breaker of this size.
• During installation, follow proper torque guidelines for terminal connections to maintain reliable electrical contact.
• Inspect the surrounding environment to ensure it stays within typical operating ranges for industrial circuit breakers, promoting long-term, consistent performance.