Square D MHL36700 - 700 A, 3-Pole Circuit Breaker | AmpState

The Square D MHL36700 is a 700A, 3-pole molded-case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to fit seamlessly into compatible Square D systems, this breaker combines robust protection with space-efficient design for modern electrical layouts.

Key benefits and features

• Compact molded-case design maximizes panel space and simplifies installation, leaving room for wiring and future expansion.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance across a range of operating conditions, helping to prevent nuisance trips while safeguarding wiring and equipment.
• OEM-compatible designed to pair with matching Square D loadcenters and panelboards, ensuring consistent mounting, alignment, and electrical characteristics.
• Versatile application suitable for residential, commercial, and light industrial environments where high-ampacity protection is required.
• High amperage rating 700A provides strong protection for feeders and main circuits in demanding installations.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: MHL36700
• Type: Thermal-magnetic molded-case circuit breaker
• Amperage Rating: 700A
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Use the MHL36700 when upgrading or configuring panelboards and loadcenters that require substantial feeder protection. It’s well-suited for service entrances or distribution panels in residential properties with high demand, commercial spaces with sizable equipment loads, and light industrial applications where reliable protection is essential. Its compatibility with OEM units makes it a straightforward replacement for matching Square D installations, preserving system performance and trip characteristics.

Why this breaker stands out

Beyond raw amperage, the MHL36700 emphasizes compatibility and dependable protection. The molded-case format saves space without compromising accessibility, and the thermal-magnetic trip mechanism provides predictable responses to overcurrent events. This combination helps maintain electrical safety and uptime in critical panel networks, while aligning with Square D’s proven safety and performance standards.

Tips for installation and optimization

Ensure the breaker is used within a matching Square D loadcenter or panelboard to maintain correct mounting alignment and electrical fit. Refer to your panel’s documentation for installation torque guidelines and wiring clearances, and plan for future expansions by selecting breakers and accessories that maintain consistent protection curves with existing devices.

Ready to reinforce your panel with trusted protection? The Square D MHL36700 delivers high-ampacity, reliable trip performance in a compact package designed for resilient electrical distribution.