Square D MJL36700 - 700 A, 600 V, 3-Pole Circuit Breaker | AmpState

Square D MJL36700: 700A, 600V, 3-Pole Molded Case Circuit Breaker

Meet a dependable guardian for your electrical distribution: the Square D MJL36700 3-pole molded case circuit breaker, rated at 700A and 600V. Built to safeguard panelboards and load centers from overcurrent and short-circuit events, this unit delivers reliable performance in demanding environments while keeping installation clean and organized.

• Space‑saving molded case design—engineered to maximize panel space, allowing you to fit high-capacity protection without crowding your enclosure.
• Thermal‑magnetic trip unit—combines stable thermal overload sensing with instantaneous magnetic action for fast fault interruption, reducing nuisance trips while protecting circuits.
• OEM compatibility—designed to drop into matching Square D OEM load centers and panelboards for straightforward installation and consistent operation.
• Versatile application—suitable for residential, commercial, and light industrial electrical systems where a robust, high-current 3-pole breaker is needed.

Technical snapshot

• Manufacturer: Square D
• Part Number: MJL36700
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 700A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the MJL36700 in your panel? When you’re wiring or upgrading a panelboard or load center that serves substantial, multi‑phase loads, a 3‑pole breaker with a 700A rating provides robust protection without sacrificing reliability. The thermal-magnetic trip mechanism delivers consistent performance across varying temperatures and electrical conditions, helping to prevent unexpected outages and equipment damage.

Ideal use scenarios include upgrading a large commercial distribution panel, retrofitting a residential or light industrial panel that requires a high-capacity 3‑pole main or feeder, or replacing a failed unit with a precise, OEM-compatible part. With Square D’s proven engineering and this MJL36700’s solid construction, you gain a protective solution that’s built to endure and easy to integrate into existing systems.