Square D MAL360008M 800A 3-Pole 600 V Circuit Breaker

Engineered for demanding power environments, the Square D MAL360008M 800A 3-Pole 600 V Circuit Breaker delivers robust overcurrent protection for three-phase systems. This unit, identified by Part Number MAL360008M, is built to interrupt fault currents quickly and reliably, helping to safeguard motors, transformers, and panel wiring in industrial and commercial power distributions.

Key specifications

• Current rating: 800 A
• Poles: 3 (three-phase protection)
• Voltage rating: 600 V
• Part Number: MAL360008M
• Brand: Square D

Why this 800A, 3-Pole, 600 V breaker fits your system

The MAL360008M is designed to shield three-phase electrical infrastructure from overloads and short circuits. With a high-current rating and three-pole configuration, it is well-suited for main-disconnect roles or feeder protection in industrial panels, distribution boards, and large commercial installations. Its construction emphasizes durability and dependable tripping performance, so teams can rely on consistent protection across demanding operating cycles.

Ideal use cases

• Main disconnects in industrial power distribution panels serving motors and heavy machinery
• Feeder protection for three-phase circuits in manufacturing facilities and processing plants
• Protection for large commercial electrical rooms where robust, multi-pole interruption is required

What sets it apart

Unlike smaller or single-branch breakers, the MAL360008M combines a high current rating with a three-pole configuration to manage balanced three-phase loads effectively. This delivers coordinated protection across all phases, reducing the risk of phase imbalances and equipment damage during fault events. Designed to integrate smoothly within Square D ecosystems, it supports streamlined maintenance, parts compatibility, and predictable performance over time.

Practical tips for installation and maintenance

• Verify panel compatibility with three-pole, 600 V protection devices before installation
• Plan for routine inspection during preventative maintenance to ensure clean connections and secure mounting
• Keep spare MAL360008M units on hand for quick replacements to minimize downtime