Square D | LHL36300 | Circuit Breaker | 3-Pole

Meet the Square D LHL36300 circuit breaker—a robust, three‑pole protection device designed for 3‑phase systems. This unit is ideal for maintenance, retrofit, and replacement projects where a precise match to your panel’s specs is essential.

Compatibility note: the part number LHL36300 is your best reference for matching panels. Always confirm fit and ratings before ordering to ensure seamless integration and reliable performance.

Why this 3‑pole Square D breaker stands out

• Three‑pole design for 3‑phase systems: engineered to protect multi‑phase electrical distributions with a single, cohesive unit.
• Clear part‑number reference: using the LHL36300 part number simplifies verification and reduces the risk of incompatibility.
• Versatile for multiple project needs: suited for routine maintenance, retrofits to update protection standards, or replacing an aging breaker.
• Brand reliability: Square D delivers proven, durable protection components used across a range of installations.
• Installation with verified specs: designed to fit compatible Square D panels when the system’s ratings align with the device.

Ideal use cases

• Field technicians performing routine maintenance on three‑phase panels, needing a dependable replacement breaker.

• Retrofit projects where upgrading to current protection requires a precise, compatible 3‑pole unit.

• Spare parts inventory for service calls, ensuring quick, accurate replacements that preserve panel performance.

How to ensure the right fit

• Match the part number: verify LHL36300 against your panel’s official catalog or documentation.
• Verify ratings: confirm the amperage and compatibility with your system requirements.
• Check physical and mounting compatibility: ensure the unit aligns with your enclosure’s mounting and space constraints.

Specifications

• Poles: 3‑Pole
• Part number: LHL36300
• Brand: Square D