Square D | MHL3670035DC | Circuit Breaker | 700A | 3-Pole | 600V

The Square D MHL3670035DC circuit breaker is a robust, three‑phase protection device engineered for demanding 600V electrical systems. With a high current rating of 700A and a 3‑pole configuration, this breaker is built for maintenance, retrofit, and replacement projects where exact specs matter—and the part number is your most reliable compatibility reference.

• Precise compatibility: Designed to match the MHL3670035DC specification. Always verify fit against your panel labeling and use the part number as the best reference for compatibility.
• High-current capability: A 700A rating makes it suitable for main feeder protection and heavy-duty circuits in industrial or commercial environments.
• Three-pole protection: With 3 poles, it provides balanced three‑phase circuit protection, helping to maintain clean power distribution and coordinated tripping in 3‑phase systems.
• 600V system readiness: Rated for up to 600V, making it appropriate for a wide range of industrial applications where higher voltage protection is required.
• Reliable Square D heritage: Built by a trusted brand known for durable electrical protection solutions, designed to endure demanding installation environments.

Ideal use cases

• Maintenance tasks where the existing breaker is worn or damaged but the panel requires the same specifications.
• Retrofit projects aiming to preserve existing three‑phase protection while upgrading components for reliability.
• Replacement scenarios in facilities with 700A, 3‑pole, 600V protection needs to minimize downtime and ensure compatibility with the current electrical architecture.

Fit and installation notes

• Always confirm the panel’s labeling matches the 700A, 3‑pole, 600V ratings before ordering.
• Use the MHL3670035DC part number as the primary reference for compatibility checks—it's the most reliable indicator of fit.
• Prepare for standard three‑phase wiring practices and follow manufacturer safety guidelines during replacement or retrofitting.

Specifications at a glance

• Brand: Square D
• Part number: MHL3670035DC
• Amperage: 700A
• Poles: 3‑Pole
• Voltage: 600V
• Applications: maintenance, retrofit, replacement in compatible panels

When you’re upgrading or replacing an aging protection device in a 600V, three‑phase system, the Square D MHL3670035DC circuit breaker delivers dependable, project‑leading performance. Rely on its spec‑matched design to keep your distribution feeding safely and efficiently, and reference the part number to ensure a precise, drop‑in fit for your panel.