Square D | PEC1636LSIGZ | Circuit Breaker | 1600A | 3-Pole | 600V

Square D PEC1636LSIGZ circuit breaker is a high-capacity protective device engineered for demanding three-phase power systems. With a 1600A rating, 3-pole configuration, and 600V maximum, it's built to guard feeders, motors, and switchgear against overcurrent conditions in industrial environments. This unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications

• Amperage: 1600A
• Poles: 3-Pole
• Voltage: 600V
• Configuration: 3-phase protection
• Manufacturer: Square D
• Part number: PEC1636LSIGZ

Why this matters in the real world

In the field, consistent trip characteristics and a precise form factor matter for reliable protection and smooth panel operation. The PEC1636LSIGZ provides dependable overcurrent protection for high-load scenarios, helping to minimize downtime and equipment damage during faults. Its three-pole design ensures synchronized interruption across all three phases, preserving safe shutdown and stable power distribution in demanding environments.

Ideal use cases

• Upgrading or retrofitting three-phase electrical panels in manufacturing facilities
• Replacing legacy breakers in power distribution centers and motor control centers
• Protecting heavy-load feeders in data centers and industrial plants
• Applications requiring compatibility with existing Square D protection schemes

Compatibility and installation notes

Note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so match PEC1636LSIGZ to your panel’s documentation and markings to ensure seamless integration.

Choosing the right 600V, 1600A 3-pole breaker can be the difference between reliable uptime and disruptive faults. With Square D PEC1636LSIGZ, you get a trusted solution backed by a long history of engineering excellence in electrical protection. Add this component to your cart to safeguard critical circuits and simplify future maintenance.