Square D PEF361600LSG 1600A 3P 600V Circuit Breaker | AmpState

Square D PEF361600LSG 1600A 3P 600V Circuit Breaker is built for everyday electrical work, delivering reliable circuit protection in panelboards, load centers, and electrical distribution systems. This 3-pole unit with a 600V rating is designed to perform in demanding industrial and commercial environments, helping you keep critical power paths secure and energized with confidence.

• Amperage: 1600 A
• Poles: 3
• Voltage: 600V
• Manufacturer: Square D
• Part Number: PEF361600LSG
• Product Type: Circuit Breaker
• Applications: panelboards, load centers, electrical distribution

This breaker is ideal for replacement projects and stocking spares when you need to maintain exact BOM alignment with the original part number. Using the same manufacturer and part lineage helps ensure consistent performance, compatibility, and ease of maintenance across your electrical distribution system.

Why choose this Square D unit? It’s built to provide predictable protection for high-current circuits, with a design that aligns with standard Square D panelboard configurations. By choosing the PEF361600LSG you simplify procurement, reduce mismatch risk, and support faster field work when upgrading or replacing components in busy facilities.

Ready to verify compatibility? AmpState lists this part as available, and we’re happy to help confirm fit. If you’re matching a part number or ensuring it works with your specific panel or load center, message us and we’ll assist with fit confirmation to keep your project on track.

Who benefits most from this breaker? Electrical contractors, facilities maintenance teams, and industrial or commercial operations that rely on robust, consistent circuit protection for high-current feeds. It’s a practical choice for upgrading distribution reliability, stocking essential spares, or performing compliant replacements without disrupting critical power.