Square D | IF34100 | Circuit Breaker | 100A | 3-Pole | 480V | 200kA

The Square D IF34100 is a dependable 100A, 3-pole circuit breaker designed for demanding 480V electrical systems. Built to protect feeders and motors in industrial environments, this OEM-grade unit delivers fast fault interruption with a robust 200kA interrupting capacity, helping to minimize damage and downtime when faults occur. Ideal for maintenance, retrofit, and replacement projects where exact fit and ratings matter, the IF34100 aligns with Square D’s proven reliability and performance.

Key specifications

• Amperage: 100A
• Poles: 3-Pole
• Voltage: 480V
• Interrupting capacity: 200kA

Compatibility reminder: Confirm fit and ratings before ordering—the part number (IF34100) is the best reference for compatibility with your panel and system.

Why this Square D IF34100 stands out

• OEM-grade design tailored for Square D panels and distribution gear, ensuring reliable mounting, wiring, and trip characteristics.
• High 200kA interrupting capacity provides strong protection against high-energy faults common in industrial settings.
• Precision 100A, 3-pole configuration is ideal for three-phase feeders and motor circuits in 480V networks.
• Broad applicability for maintenance, retrofit, and replacement where exact specifications are required to maintain system integrity.

Use cases and ideal applications

Best suited for industrial facilities and commercial environments with 480V three-phase distribution, including:

• Replacing failed or degraded breakers in manufacturing lines, processing equipment, and large HVAC systems.
• Retrofit projects where existing hardware requires an exact 100A, 3-pole, 480V solution with a high interrupting rating.
• Spare-part strategy for critical power systems, reducing downtime by ensuring ready-to-install compatibility.

Installation and practical tips

• Power down the panel and verify absence of voltage before servicing or replacement.
• Match the IF34100 to the panel model and bus configuration to ensure a seamless retrofit.
• Follow standard wiring practices: secure connections, correct lug torque, and proper insulation on all terminations.
• Plan for replacement during routine maintenance windows to minimize impact on operations.

With the Square D IF34100, you gain a trusted, purpose-built solution for protecting critical 480V, three-phase circuits. Its combination of precise 100A rating, three-pole configuration, and a robust 200kA interrupting capacity helps keep equipment safe and production flowing, making it a smart choice for maintenance, retrofit, and replacement projects that demand exact specifications and reliable performance.