Square D PGL36080U44 A - 800 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D PGL36080U44A—an 800 A, 600 V, 3-pole molded case circuit breaker built to shield panelboards and load centers from overcurrent and short-circuit events. Designed for dependable performance in demanding commercial and light industrial settings, this device delivers precise protection when it matters most.

Key advantages that set this breaker apart:

• Compact molded case design maximizes panel space without compromising protection, making it an efficient upgrade for existing panels and streamlined new installs.
• Thermal-magnetic trip unit combines a thermal element for stable overload protection with a magnetic mechanism for instantaneous short-circuit response—delivering repeatable protection across a range of operating conditions.
• OEM-compatible fit engineered to pair with matching Square D load centers and panelboards, ensuring correct mounting, alignment, and coordinated trip behavior.
• Versatile three-pole protection ideal for three-phase power systems in residential, commercial, and light industrial applications, from large feeders to critical distribution circuits.

Technical snapshot:

• Manufacturer: Square D
• Part number: PGL36080U44A
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 800 A
• Voltage rating: 600 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Why this matters for your electrical system:

• With a robust 800 A capacity, it handles sizable feeders and high-demand circuits, reducing the need for multiple smaller breakers and simplifying panel organization.
• The thermal-magnetic trip delivers fast fault clearance for short circuits while minimizing nuisance trips during normal operating surges.
• OEM compatibility ensures predictable performance and straightforward replacement within Square D installations, preserving system coordination and warranty coverage.

Ideal use cases:

• Upgrading service panels in commercial buildings, warehouses, or light industrial facilities where large branch circuits must be protected efficiently.
• Replacing a failed breaker in existing Square D panelboards to maintain code-compliant protection and reliable operation.
• Integrating into new electrical rooms or retrofit projects where space-saving, high-capacity protection is essential.

Practical guidance for installers and maintainers:

• Always verify panel compatibility by matching the part number to your OEM panelboard to ensure correct mounting and trip characteristics.
• Coordinate with adjacent breakers in the bank to maintain proper protection sequencing and fault clearing requirements.
• Handle with care during replacement to preserve the integrity of the trip unit and mounting hardware.

Available from AmpState, this Square D PGL36080U44A 800 A, 600 V, 3-pole molded case circuit breaker is a precise, durable choice for safeguarding critical circuits with dependable, industry-standard protection.