Square D | MHL3610001288 | Circuit Breaker | 1000A | 3-Pole | 600V

Engineered for reliability in demanding electrical environments, the Square D MHL3610001288 circuit breaker delivers robust protection for high-current, 3-phase systems. This 3-pole unit is rated at 1000A and is designed for use in 600V distribution networks, making it a dependable choice for industrial panels, large feeders, and machinery loads that require solid overcurrent protection.

Built to support maintenance, retrofit, and replacement projects, this breaker aligns with existing Square D installations where exact specifications are essential. The part number MHL3610001288 is the strongest reference for compatibility, helping you avoid mismatches when upgrading or renewing panel protection. Always verify the fit and ratings against your panel model before ordering to ensure a seamless swap.

Key specifications

• Amperage: 1000A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: MHL3610001288
• Applications: maintenance, retrofit, and replacement in suitable Square D installations

Why this 3-pole, 1000A breaker stands out

In environments where three-phase power drives heavy equipment, a single 3-pole 1000A breaker consolidates protection across all phases, simplifying wiring and improving fault isolation. The 600V rating matches common industrial distribution systems, reducing the need for multiple devices and enabling streamlined panel configurations. Using the exact part number ensures you’re pairing with the right panel style and electrical characteristics, so upgrades and replacements stay consistent with your original design.

Ideal use cases

• Replacing a failed or worn-out 3-pole breaker in a 600V industrial panel
• Retrofit projects where existing infrastructure requires 1000A protection without altering bus arrangements
• New or upgraded high-current feeders for manufacturing lines, data centers, or large equipment rooms

Practical tips for a smooth install

• Always confirm fit and ratings by cross-referencing the panel model with the MHL3610001288 part number before purchase
• Check that your panel’s current and voltage specifications align with a 1000A, 3-Pole, 600V device to prevent compatibility issues
• Prepare for a straightforward swap by aligning mounting and wiring with the existing breaker footprint in your Square D electrical distribution system