Square D | PHF361600 | Circuit Breaker | 1600A | 3-Pole | 600V | Bolt-On

The Square D PHF361600 Circuit Breaker is engineered for demanding electrical systems where reliable, high-current protection matters. With a 1600A rating, three poles, and a 600V maximum, this bolt-on breaker delivers secure, top-tier protection for challenging industrial and commercial panels. It’s the smart choice for maintenance, retrofit, or replacement projects that require precise compatibility and durable performance.

• Amperage: 1600A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On

bolt-on design provides a robust, vibration-resistant connection that’s ideal for equipment with frequent start-ups, heavy loads, or environments where panels see regular maintenance. The triple-pole construction ensures synchronized disconnection across all three phases, helping prevent unbalanced faults and protecting large motor systems and complex power-distribution networks.

Ideal applications

• Industrial motor control centers and manufacturing lines that demand high-current protection
• Panel upgrades and retrofits where exact specifications must be matched to existing gear
• Commercial or light-industrial distribution panels requiring secure, durable bolt-on protection
• Replacement of aging or out-of-spec breakers in systems operating at 600V three-phase networks

Why this PHF361600 stands out

Beyond the numbers, this breaker is designed for real-world reliability in tough environments. The 3-pole configuration provides coordinated shutdown across all phases, reducing fault conditions and downtime. The bolt-on mounting supports a solid mechanical connection that stands up to vibration and routine service, making installation and future maintenance more straightforward for technicians familiar with Square D components.

Compatibility and ordering guidance

To ensure a perfect fit, confirm the exact part number during planning and sourcing. The PHF361600 is the best reference for compatibility across Square D panels and retrofit kits. Before placing an order, review your panel’s current specifications and ensure the 1600A, 600V, 3-pole, bolt-on configuration matches your system requirements.

Whether you’re upgrading an aging distribution setup, performing a critical retrofit, or replacing a failed breaker, the Square D PHF361600 delivers dependable protection with a design built for demanding electrical environments. Add it to your cart to secure precise protection for your three-phase, high-current applications.