Square D BGA36040 - 40 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D BGA36040 is a 40A, 600V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built for quick, secure replacement and simplified installations, this unit helps keep electrical systems running smoothly with minimal downtime.

• Fast plug-in installation — a straightforward connection that speeds up panelboard service and reduces outage time when replacing breakers.
• Thermal-magnetic trip unit — delivers stable, repeatable protection for both overloads and short circuits, helping protect connected equipment and wiring from damage.
• OEM-compatible design — specifically engineered to fit matching Square D load centers and panelboards, ensuring reliable operation within existing panels.
• Versatile application — suitable for residential, commercial, and light industrial settings where dependable protection of three-phase or multi-branch circuits is required.
• 3-pole, 40A, 600V — ideal for protecting three-phase branch circuits or multi-wire configurations in panelboards and load centers.

Specifications at a glance

• Manufacturer: Square D
• Part Number: BGA36040
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out

Unlike generic substitutes, the BGA36040 is built to pair seamlessly with Square D panelboards and load centers, ensuring coherent trip curves and reliable performance across the system. The plug-in format not only simplifies installation but also makes field replacements faster and less disruptive, a tangible advantage in service calls and upgrades. With a thermal-magnetic trip mechanism, you gain predictable protection that reacts quickly to overloads or short circuits, helping to safeguard equipment, wiring insulation, and overall system uptime.

Use cases and ideal applications

• New installations in residential panelboxes where space and install speed matter
• Upgrades or retrofits in small commercial panels requiring robust overcurrent protection
• Protection for HVAC control circuits, lighting feeders, and other critical branch circuits in light industrial environments
• Replacement in existing Square D panelboards to maintain OEM compatibility and consistent protection characteristics

For installers prioritizing speed, reliability, and compatibility, the Square D BGA36040 delivers precise, dependable protection for three-pole, 40A circuits in 600V systems. Its plug-in design minimizes downtime and simplifies maintenance, while the thermal-magnetic trip unit provides consistent performance across varying load conditions. Add this dependable breaker to your inventory for panelboard and load center protection that you can count on.