Square D HLL36030 - 30 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D HLL36030 — a 30A, 600V, 3-Pole molded case circuit breaker designed to shield your electrical system from overcurrent and short circuits. Built to perform in panelboards and load centers, this breaker delivers reliable protection for residential, commercial, and light industrial applications, while pairing seamlessly with matching OEM Square D panels for a cohesive, code-compliant protection solution.

Why this breaker stands out

• Space-efficient molded-case design: Three-pole protection in a compact footprint, freeing up valuable panel space and simplifying enclosure layouts.
• Thermal-magnetic trip unit: Combines thermal and magnetic sensing to provide stable, repeatable protection across varying loads and fault conditions, reducing nuisance trips and ensuring predictable performance when it matters most.
• 3-pole configuration: Ideal for three-phase distributions or coordinated protection across all phases in applicable panels.
• 600V rating: Extends use beyond typical residential panels to higher-voltage commercial and light-industrial installations requiring robust interruption capability.
• OEM compatibility: Specifically designed to mate with Square D OEM load centers and panelboards, ensuring correct fit, bus connection, and coordinated trip behavior.
• Targeted protection: 30A rating provides precise protection for branch circuits feeding lighting, receptacles, and small equipment in compatible panel systems.

Technical specifications

• Manufacturer: Square D
• Part Number: HLL36030
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 30A
• Voltage rating: 600V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Compatibility and installation considerations

This breaker is intended to pair with matching Square D OEM load centers and panelboards. For reliable performance, verify that the panel supports a 3-pole, 30A, 600V device and that the bus arrangement is compatible with the HLL36030. Follow local electrical codes and ensure proper panel integration to achieve coordinated protection and safe interruption in your distribution system.

Ideal for

• Electrical professionals upgrading or replacing protection in residential service panels, commercial panelboards, or light-industrial distributors
• Projects requiring 3-pole protection in a compact form factor to maximize available panel space
• Installations where a 600V rating is necessary to accommodate higher-voltage branch circuits within compliant panel systems

With the Square D HLL36030, you get precise, dependable protection that fits neatly into compatible panels, helping you maintain safe, compliant, and efficient electrical distribution.