Square D | PAF2536-900A | Circuit Breaker | 900A | 3-Pole | 600V

Meet the Square D PAF2536-900A—the robust protection your three-phase electrical system can rely on. This 3-pole circuit breaker is built for demanding environments, delivering a 900A rating at up to 600V to safeguard heavy machinery, feeders, and critical loads in industrial and commercial settings.

Key specifications at a glance

• Amperage: 900A
• Poles: 3-pole
• Voltage rating: 600V
• Part reference: PAF2536-900A

This device excels where consistent, reliable three-phase protection matters most. Its 900A capacity is ideal for guarding large motor circuits, heavy feeders, and main distribution panels against overloads and short circuits, helping minimize downtime and equipment damage.

Who benefits most

• Facilities upgrading or retrofitting to support higher-capacity machinery and optimized power distribution
• Maintenance teams performing component replacements in legacy panels that require exact form, fit, and ratings
• Industries with demanding loads, such as manufacturing, processing plants, and data centers with three-phase systems

Why this particular breaker stands out

• Exact compatibility cue: The part number PAF2536-900A is your best reference for matching hardware, ensuring seamless integration with existing Square D assemblies
• Clear 3-phase protection: A true 3-pole design provides synchronized switching and balanced protection across all phases, reducing the risk of uneven loading
• 600V suitability: Designed to handle higher voltage applications common in industrial power distribution and motor control centers
• Maintenance-friendly: Ideal for retrofit projects where preserving panel architecture while upgrading protection is essential

Practical use cases and scenarios

• Upgrading a panel serving multiple large motors where each phase must be equally protected against overloads
• Replacing aging breakers in a retrofit project to restore full circuit protection without altering existing wiring or panel layout
• Protecting critical feeders feeding HVAC systems, pumps, or conveyors in manufacturing environments

Important ordering note

Before you finalize any purchase, confirm fit and ratings for your panel and system. The PAF2536-900A part number is the most reliable reference to ensure compatibility with your Square D equipment.

With the Square D PAF2536-900A, you invest in precise, dependable overcurrent protection that aligns with your system’s voltage, phase configuration, and duty cycle—so you can keep operations running smoothly and protect your equipment from electrical faults.