Square D | PGA36120 | Circuit Breaker | 1200A | 3-Pole | 600V

Introducing the Square D PGA36120 circuit breaker, a purpose-built solution for demanding electrical systems that demand dependable three‑phase protection. With a 1200A rating, a 3‑pole configuration, and a 600V capacity, this breaker is engineered to guard high‑current feeders and critical circuits in industrial and commercial environments.

• Amperage: 1200A — designed to interrupt substantial fault currents and protect heavy‑duty distribution paths.
• Poles: 3‑Pole — simplifies three‑phase protection with coordinated tripping across all phases.
• Voltage: 600V — suitable for a wide range of industrial and commercial panels and equipment rated up to 600V.
• Replacement purpose: Built for maintenance, retrofit, and replacement projects where PGA36120 is the reference part number.
• Compatibility reference: The PGA36120 part number is the best guide to ensure proper fit with your panel’s mounting pattern and electrical ratings.

Why choose this model for your system

• Precise alignment with heavy‑duty panels: The 3‑pole, 600V configuration matches many industrial distribution setups, delivering reliable, synchronized protection across all phases.
• Streamlined procurement path: Relying on the PGA36120 reference simplifies ordering and reduces the risk of incompatibility during retrofit or replacement projects.
• Clear fit guidance: Before purchasing, verify that your equipment’s ratings and mounting requirements align with PGA36120 to ensure a seamless installation.

Ideal use scenarios

• Retrofits: Update older panels to modern standards while preserving the existing three‑phase layout and bus arrangement.
• Maintenance: Replace aging breakers in critical service feeders to minimize downtime and maintain system protection.
• New installations: When a system demands robust, three‑pole protection at 600V for high‑current applications.

Procurement tip: Always confirm fit and ratings against your panel labeling and equipment documentation. The PGA36120 is the definitive reference for compatibility, helping you avoid misfits and ensuring reliable protection for your electrical infrastructure.