Square D | PAF1236-900A | Circuit Breaker | 900A | 3-Pole | 600V

The Square D PAF1236-900A is a high-capacity circuit breaker designed to protect demanding electrical systems. With a 900A rating and a 3-pole configuration at 600V, this unit provides robust, reliable protection for large three-phase feeders, panelboards, and distribution circuits. Built for maintenance, retrofit, and replacement projects, it helps keep downtime to a minimum while maintaining critical safety standards.

• Amperage: 900A
• Poles: 3-Pole
• Voltage: 600V

Key use cases:

• Maintenance: swap in a like-for-like breaker quickly to restore protected circuits with minimal interruption.
• Retrofit: upgrade older installations to meet current protection requirements while preserving system architecture.
• Replacement: keep a high-capacity, exact-spec replacement on hand for critical 3-phase circuits.

Compatibility and ordering guidance:

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

Why choose the Square D circuit breaker in the PAF1236-900A family? It combines precise spec matching (900A, 3-Pole, 600V) with the reliability associated with Square D protection, helping electricians and facilities teams ensure consistent protection across essential equipment. Use this part when you need a direct, spec-aligned replacement that integrates smoothly with existing panels and wiring schemes, reducing the risk of misfits and unexpected downtime.