Square D | MX36400 | Circuit Breaker | 3-Pole

Meet the Square D MX36400, a 3-Pole Circuit Breaker engineered for reliable protection in three-phase electrical systems. This unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter and downtime is minimized.

Why choose MX36400? When you need a precise match for existing gear, the part number MX36400 is the best compatibility reference. Use it to ensure your panel, distribution module, or switchgear maintains the correct trip characteristics and electrical ratings. Confirm fit and ratings before ordering to avoid gaps in protection or panel clearance.

Key features and practical uses:

• Three-pole design for balanced three-phase circuits, enabling consistent protection across all phases.
• Maintenance and retrofit ready—a straightforward replacement option when updating or refurbishing panels that require this specific Square D device.
• Exact reference for compatibility—rely on the MX36400 part number to match with compatible Square D panels and distribution equipment.
• Flexible deployment across industrial, commercial, and service environments where a 3-Pole Square D breaker is needed.
• Clear documentation alignment—use the part number as the primary reference for cross-checking with panel schedules and procurement records.

Who it's for: electricians, facilities managers, maintenance technicians, and panel installers who value precise compatibility and predictable performance in 3-phase systems.

Notes: Always verify fit and ratings before placing an order. Part number MX36400 is the best reference for compatibility, ensuring you install the correct device for your three-pole configuration and system requirements.