Square D HLL36080SNYP 80A 3-Pole 600 V Circuit Breaker Potential Transformer

Engineered by Square D for dependable protection in three-phase power systems, the HLL36080SNYP 80A 3-Pole 600 V circuit breaker is built to safeguard feeders and equipment with precision. This device delivers reliable overload and short‑circuit protection for circuits up to 80 amps, while its three-pole design ensures balanced interruption across all phases in demanding commercial and light industrial applications.

Specifications at a glance

• Current rating: 80 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HLL36080SNYP
• Product family: Square D circuit breaker

What makes this breaker stand out

• The 3-pole configuration provides consistent, phase‑to‑phase protection essential for balanced motor loads, manufacturing lines, and distribution feeders.
• Designed to integrate with Square D panels and protection schemes, ensuring smooth replacement and reliable operation within existing electrical infrastructures.
• Rated for up to 600 volts, making it suitable for a range of commercial and light industrial installations where higher line voltages are present.
• The HLL36080SNYP pairs well with measurement systems and potential transformers used in monitoring and fault detection, helping you streamline protection coordination and accuracy.
• The specific part number (HLL36080SNYP) simplifies procurement, maintenance, and compatibility verification within your electrical inventory.

Ideal use scenarios

• Three‑phase feeders in commercial buildings, distribution panels, and industrial plants where 80 A protection is appropriate.
• Motor control centers and equipment rooms that require reliable phase protection for balanced loads.
• Protection schemes that incorporate potential transformers for accurate metering and fault analysis.

Practical guidance for deployment

• Verify panel compatibility and ensure the enclosure accepts this 3‑pole, 80 A device from the Square D lineup.
• Coordinate with your protection scheme to align trip settings and sequencing, particularly when integrating with metering and protection measurements that involve potential transformers.
• Follow standard electrical installation practices for safety and longevity, including appropriate torque and secure mounting per your panel manufacturer’s guidelines.

For engineers and installers seeking dependable, industry‑standard protection with straightforward compatibility, the Square D HLL36080SNYP 80A 3‑Pole 600 V circuit breaker delivers clear value. Its combination of three‑phase protection, 600 V readiness, and alignment with protection architectures that use potential transformers makes it a practical, reliable choice for safeguarding critical power systems.