Square D HGA36110 - 110 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HGA36110—a 110 A, 600 V, 3-pole plug-in molded case circuit breaker built to guard your panelboard and loadcenter from overcurrent and short-circuit events. With its fast plug-in connection, you can upgrade or replace protection quickly, minimizing downtime in busy electrical environments.

Why this breaker stands out

• Plug-in convenience: effortless installation and rapid replacement reduces service time and downtime.
• Thermal-magnetic protection: a trip unit that delivers stable, repeatable protection against overcurrent and short circuits, helping to prevent nuisance trips and equipment damage.
• OEM-compatible design: specifically engineered to work with matching Square D OEM loadcenters and panelboards for reliable fit and performance.
• Versatile application: suitable for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part Number: HGA36110
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 110 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and scenarios

Designed for 3-phase distribution in panelboards and loadcenters, the HGA36110 is a solid choice for:

• New installations in commercial spaces that require reliable 3-pole protection at 110 A
• Repairs or upgrades where quick, drop-in replacement of the existing Square D breakers is advantageous
• Light industrial panels needing robust protection against short circuits and sustained overcurrents
• Residential-to-light-commercial feeder applications where OEM compatibility ensures optimal performance

How it solves real-world needs

When downtime isn’t an option, this breaker’s plug-in design reduces installation time and service interruption. The thermal-magnetic trip unit provides precise protection tailored to 3-pole circuits, helping you maintain safe operation of panelboards and loadcenters without compromising on reliability. Its compatibility with matching OEM centers means fewer compatibility concerns and smoother maintenance cycles.

Tips for optimal use

Confirm panelboard compatibility with the OEM loadcenter before installation to ensure a seamless fit. Use in applications that require 3-pole protection at 110 A and up to 600 V, and keep spares on hand for quick replacements in critical electrical setups.