Square D P1200S 1200A 3P 600V Circuit Breaker, NEMA 1 | AmpState

Meet the Square D P1200S — a purpose-built circuit breaker designed to shield large electrical systems from faults while streamlining maintenance and procurement. With a robust 1200 A rating, three poles, and a 600 V maximum, this device is built to handle the demanding needs of panelboards, load centers, and broader electrical distribution networks. The NEMA 1 enclosure rating makes it a practical indoor solution for dry environments, providing reliable protection where space and reliability matter most.

Why this P1200S stands out

• Direct part-number match for streamlined stocking: Ideal for maintenance teams, panel builders, and spare inventory where exact compatibility matters.
• High-capacity three-pole protection: Three-phase interrupting capability ensures synchronized protection across all lines, reducing risk of unbalanced faults.
• Heavy-duty 1200 A main protection: Suitable for large feeders and distribution paths in commercial and industrial facilities.
• 600 V versatility: Supports a wide range of equipment and motors within your electrical distribution system.
• Indoor reliability with NEMA 1: Durable for standard indoor environments, simplifying installation in typical panel environments.
• Seamless integration with Square D panelboards and load centers: Works smoothly in systems built around Square D components.
• AmpState availability: Easy access to this part for immediate procurement when your project timeline matters.

Practical applications and scenarios

• Large commercial buildings and industrial facilities where main distribution feeders require robust, code-compliant protection.
• Panelboard and load-center farms needing a reliable spare to cut downtime during maintenance windows.
• Retrofit projects or new installations where a precise part-number match ensures correct fit and field performance.

Specifications at a glance

• Amperage: 1200 A
• Poles: 3
• Voltage: 600 V
• Enclosure: NEMA 1
• Manufacturer: Square D
• Part Number: P1200S
• Availability: AmpState

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. Add the P1200S to your project plan or spare inventory to ensure fast, reliable protection when it matters most.