Square D HLL36125SA Circuit Breaker, 125A, 3-Pole, 600V

The Square D HLL36125SA circuit breaker is built for demanding industrial environments, offering dependable protection for service entries, maintenance tasks, and replacement projects. With a 125 A rating and a 3-pole configuration at 600 V, this breaker is designed to safeguard three‑phase electrical systems where reliability matters most.

• Three-pole, 125 A protection to guard multi‑phase feeders and prevent damage from overloads and short circuits.
• 600 V maximum rating suitable for a wide range of industrial distribution and motor circuits.
• Genuine Square D component engineered to integrate smoothly with compatible panels and switching gear for consistent performance.
• Streamlined compatibility verify fit by part number HLL36125SA and match it to your application requirements to ensure proper protection.
• Efficient maintenance and replacement simplifies procurement and minimizes downtime when retrofitting or upgrading existing panels.

Who benefits most from this breaker? Facilities engineers, maintenance technicians, and electricians working on manufacturing floors, distribution centers, and industrial facilities where three-phase protection is essential. The HLL36125SA is ideal for panel upgrades, service entrance improvements, and retrofits that demand dependable interruption protection across all three phases.

Why choose this model over alternatives? It’s a dedicated Square D solution purpose-built for industrial service and replacement work, ensuring compatibility with Square D ecosystems and reducing the risk of misfit parts. Before installation, confirm compatibility using the part number and review your specific application requirements to avoid delays.

If you’re unsure about exact compatibility, we’re here to help. Message us to verify that the Square D HLL36125SA fits your panel, MCC, or distribution setup, and we’ll guide you to a precise match for your project.