Square D HLL36015 - 15 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D HLL36015 — a 15A, 600V, 3-pole molded case circuit breaker that delivers dependable branch circuit protection for panelboards and load centers. Built for reliability in real-world electrical environments, this device guards against overcurrent and short circuits while maximizing the efficiency of your panel layout.

• Space-saving molded case design: compact construction frees panel space for additional circuits and future expansion.
• Thermal-magnetic trip unit: combines precise thermal protection with fast magnetic response for sudden fault conditions, reducing nuisance trips and protecting downstream equipment.
• 3-pole configuration: ideal for 3-phase systems or multi-wire circuits common in commercial and light industrial setups.
• 600V rating: supports higher-voltage branch circuits typically found in commercial installations, providing a robust safety margin.
• 15A operating current: precisely protects smaller loads such as lighting, receptacle circuits, and control panels without unnecessary interruptions.
• OEM compatibility: designed to fit and function with matching Square D OEM loadcenters and panelboards for straightforward replacements and reliable performance.
• Versatile applications: suitable for residential, commercial, and light industrial environments where dependable overcurrent protection matters.

Technical Specifications

• Manufacturer: Square D
• Part Number: HLL36015
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and scenarios

• Upgrading aging panelboards in small commercial spaces where space is at a premium and reliability matters.
• Replacing a legacy breaker with a like-for-like HLL36015 to restore precise, predictable protection without rewiring.
• Adding a 3-phase branch circuit for new equipment in light industrial environments while maintaining compatible voltage and protection levels.

The Square D HLL36015 from AmpState offers a practical, OEM-backed solution for protecting your electrical infrastructure. Its compact design, reliable thermal-magnetic trip, and OEM compatibility translate into fewer service calls, longer panel life, and peace of mind for technicians and facility managers alike.