Square D LHL36150 - 150 A, 3-Pole Circuit Breaker | AmpState

Meet the Square D LHL36150 – a 150A, 3-pole molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for precision and durability, this breaker keeps critical electrical systems safe in a variety of settings, from homes to light commercial spaces.

• Compact molded-case design maximizes panel space and simplifies panel routing, helping you fit more circuits without crowding the enclosure.
• Thermal-magnetic trip unit provides stable, repeatable protection performance by responding to both overloads and short circuits, even as ambient conditions change.
• 3-pole configuration ideal for 3‑phase systems and multi-branch protection, delivering coordinated protection across the circuit trio.
• OEM-compatible designed to work with matching Square D OEM loadcenters and panelboards for a guaranteed fit and reliable operation.
• Versatile applications suitable for residential, commercial, and light industrial environments where dependable protection is essential.

Technical Specifications

• Manufacturer: Square D
• Part Number: LHL36150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150A
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical considerations

Use the Square D LHL36150 to shield feeders and branch circuits in panelboards and loadcenters where reliable protection is paramount. It’s particularly well-suited for upgrading aging panels, expanding multi‑circuit service entries, or replacing a failing breaker in 3‑phase installations. Ideal for electricians and facility managers who need a trusted, drop‑in replacement that maintains electrical system integrity.

Why this breaker stands out

Beyond the basic specs, the LHL36150 delivers concrete value: a space-efficient design that frees up enclosure real estate, a thermally protected trip mechanism that reduces nuisance trips while preserving safety, and a proven match with Square D OEM panels that supports streamlined installations and long-term reliability. If you’re aiming for robust protection with predictable trip behavior across a range of loads, this is a dependable choice.

Who benefits most: electricians performing panel upgrades, facilities staff in small to mid-size commercial spaces, and homeowners tackling electrical system improvements where solid 3‑pole protection is needed.

Note: For safe, code-compliant installation, ensure compatibility with your specific panelboard model and consider professional installation by a licensed electrician.