Square D HLA36040 - 40 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D HLA36040 is a 40 A, 600 V, 3-pole plug-in molded case circuit breaker designed for fast, dependable branch-circuit protection in panelboards and load centers. Built by Square D, this unit delivers quick plug-in installation and reliable protection that stands up to real-world electrical demands in homes, businesses, and light industrial settings.

Key benefits that matter in the field

• Fast plug-in connection enables quick installation and straightforward replacement, minimizing downtime during panel maintenance or upgrades.
• Thermal-magnetic trip unit provides stable, repeatable protection against both overloads and short circuits, helping prevent equipment damage and nuisance tripping.
• OEM-compatible design ensures seamless fit and performance with matching Square D load centers and panelboards, reducing alignment issues and compatibility concerns.
• Versatile applications suitable for residential, commercial, and light industrial environments where reliable three-pole protection is required.

Technical specifications

• Manufacturer: Square D
• Part Number: HLA36040
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Upgrading or replacing a malfunctioning breaker in Square D panelboards and load centers, with minimal service disruption thanks to plug-in installation.
• Protection of three-phase equipment and circuits in light commercial or industrial setups where reliable 40 A protection is required.
• New installations where a compact, plug-in molded case breaker offers straightforward wiring and fast commissioning.

Equipped to deliver dependable overcurrent and short-circuit protection, the Square D HLA36040 is a practical, performance-driven choice for professionals seeking a compatible, plug-in 3-pole solution that aligns with Square D panel systems. Add this 40 A, 600 V breaker to your electrical toolkit and experience streamlined installation, precise protection, and enduring reliability.