Square D KA36225 - 225A, 3-Pole, Circuit Breaker

Engineered for demanding electrical environments, the Square D KA36225 delivers robust overcurrent protection in a compact three-pole package. Rated at 225A, this circuit breaker is built to guard distribution panels, motor control centers, and critical switchgear with dependable performance across industrial, commercial, and OEM installations.

• Current rating: 225 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker
• Primary applications: panelboards, switchboards, and control panels
• Ideal for: industrial, commercial, and OEM environments where reliable protection and safe operation matter

Three-pole advantage for three-phase systems

With a 3-pole design, the KA36225 provides simultaneous disconnection of all three phases. This unified protection is essential for three-phase motors, heavy loads, and complex control schemes, delivering safer fault clearance and better system protection in every startup and shutdown sequence.

Real-world use cases

• Main power protection in industrial panelboards that feed production lines and heavy machinery
• Protection backbone in motor control centers supporting conveyors, pumps, and large motors
• Reliable protection for OEM equipment where a rugged, high-current breaker is required
• Critical distribution in commercial electrical rooms and facility infrastructure requiring dependable overcurrent protection

Why choose Square D KA36225

KA36225 combines Square D’s reputation for durable, code-aligned electrical protection with a high 225A rating and 3-pole configuration that aligns with three-phase power systems. It’s designed to endure demanding duty cycles, deliver consistent tripping performance when faults occur, and integrate smoothly into existing panelboards, switchboards, or control panels—reducing downtime and improving overall safety in distribution and motor control environments.

Installation and maintenance tips

• Confirm panel compatibility and mounting fit for panelboards, switchboards, or control panels to ensure a clean, secure installation
• Coordinate with upstream and downstream protection to achieve appropriate short-circuit protection and selectivity
• Periodically inspect connections for tightness and signs of overheating or corrosion to maintain reliable operation