Square D | MAL36400 | Circuit Breaker | 400A | 3-Pole | 600V | Feed-Through

The Square D MAL36400 circuit breaker is a rugged 400A, 3-pole, 600V feed-through solution designed for demanding industrial panels. Whether you’re performing maintenance, retrofitting an existing distribution system, or replacing a failed unit, this breaker delivers dependable protection with precise, straightforward compatibility based on the exact part number MAL36400.

Key specifications

• Amperage: 400 A
• Poles: 3-Pole
• Voltage: 600 V
• Configuration: Feed-Through
• Reference: MAL36400 (Part number)

What sets MAL36400 apart

• Accurate fit for 3-phase, high-current systems: The 3-pole design ensures coordinated disconnection across all phases, protecting equipment and personnel in demanding industrial environments.
• Feed-through capability: Designed to pass power through to downstream feeders within the same panel, simplifying large-distribution setups and reducing the need for additional disconnects.
• 600V compatibility: Ideal for industrial and commercial applications where higher-voltage distribution is standard, providing robust protection for 3-phase power systems.
• Direct reference for compatibility: The part number MAL36400 is the best reference when confirming fit with your panel or replacement requirements.
• Reliability you can count on: Built to withstand demanding operating conditions in managed electrical distributions, delivering consistent performance over time.

Ideal use cases

• Maintenance projects on large 3-phase electrical panels where a 400A, 3-pole breaker is required.
• Retrofits in retrofit-friendly panels that utilize feed-through configurations for downstream distribution.
• Replacement scenarios where exact matching specifications (400A, 3-Pole, 600V, feed-through) are essential for safe and compliant operation.

Compatibility and ordering tips

Before ordering, verify that your application matches the MAL36400’s specifications. Use the part number MAL36400 as the primary reference to ensure compatibility with your panel, downstream feeders, and overall system ratings. For installation, rely on a qualified electrician and follow all manufacturer guidelines and local electrical codes to ensure a safe, code-compliant setup.

Designed for professionals who need a precise, dependable solution for 3-phase, high-current distribution, the Square D MAL36400 is ready to support maintenance, retrofit, and replacement projects with confidence. Add this exact-match breaker to your order to secure a proper fit and reliable protection for your 400A, 600V feed-through applications.