Square D MGL36500 - 500 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D MGL36500, a rugged 3-pole molded case circuit breaker engineered for dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. With a 500 A rating and a 600 V capacity, this unit is built to handle demanding electrical environments while keeping your distribution system safe and organized.

Why this MGL36500 stands out

Designed for efficiency and reliability, the MGL36500 combines a compact molded case design with a thermal-magnetic trip unit. This combination delivers stable, repeatable protection performance, automatically responding to overloads and short circuits without nuisance trips. Its compact form helps maximize usable panel space, making it easier to design clean, code-compliant electrical enclosures.

Key benefits at a glance

• Compact molded case design optimizes panel space and simplifies installation in tight electrical rooms.
• Thermal-magnetic trip unit provides precise, repeatable protection against overloads and short circuits across a wide operating range.
• OEM-compatible compatibility works seamlessly with matching Square D OEM load centers and panelboards, streamlining replacements and upgrades.
• Versatile applications suitable for residential, commercial, and light industrial projects, offering flexible protection across varied installations.

Practical applications and scenarios

Use the MGL36500 as a main or sub-feed breaker in panelboards and load centers where a robust 500 A protection device is required. Its 3-pole design ensures simultaneous disconnection of all phases, enhancing protection for multi-wire circuits and critical equipment. Ideal for service upgrades, panel retrofits, or new installations where space efficiency and reliable trip performance are essential.

Technical specifications

• Manufacturer: Square D
• Part Number: MGL36500
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 500 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Designed for installers and facilities managers who demand trustworthy protection with straightforward compatibility, the Square D MGL36500 delivers robust performance where it matters most—protecting your electrical infrastructure with precision and efficiency.