Square D KAF3625021M1212 - 250A, 3-Pole, Circuit Breaker

Meet the Square D KAF3625021M1212—a purpose-built 250A, 3-Pole Circuit Breaker designed to deliver dependable overcurrent protection in demanding electrical environments. Built for reliability, this unit is ready to safeguard critical circuits in panelboards, switchboards, and control panels where durability and precise protection matter most.

Designed for industrial, commercial, and OEM applications, this 3-pole breaker provides balanced, three-phase protection across all phases of your distribution system. Its 250A current rating makes it well-suited for high-load feeders and motor-control centers, helping you maintain uptime and protect valuable equipment.

• Three-pole configuration supports robust protection for 3-phase systems, ensuring each phase is monitored and safeguarded.
• High-current capability with a 250A rating to handle demanding motor and equipment loads.
• Seamless integration within Square D ecosystems—panelboards, switchboards, and control panels team up with familiar install geometry and proven performance.
• Versatile application ideal for distribution panels and motor control centers, where safe operation and reliable fault interruption are essential.
• OEM-ready practicality designed to fit into custom equipment builds or retrofit projects without compromising protection or space.

Key specifications at a glance: Current rating: 250A; Poles: 3-Pole; Breaker type: Circuit Breaker. These details translate into clear, predictable behavior in the field—fast, reliable interruption of fault currents to minimize damage and downtime while keeping personnel safe.

Who benefits most from this breaker? facility managers, electrical contractors, and OEM engineers who demand consistent protection for three-phase power distribution. It’s especially effective in environments where motor loads, conveyors, and heavy equipment rely on stable, coordinated protection across multiple panels and control points.

How does it stand out from generic options? Rather than a one-size-fits-all component, this Square D breaker is purpose-built to plug into Square D distribution architectures, delivering trusted performance and straightforward integration in existing systems. It reduces configuration guesswork, supports clean, organized panel layouts, and contributes to safer, more maintainable electrical installations.

Practical tips for use: plan protection coordination with upstream and downstream devices to ensure selective tripping, verify compatible mounting and bus-bar configurations within your panel or switchgear, and replace only with the same current rating and pole count to maintain protective coordinates and system safety.