Square D PK22FL - Circuit Breaker

The Square D PK22FL circuit breaker is engineered for reliable protection in demanding electrical systems. This unit shines in panelboards, switchboards, control panels, and OEM equipment, delivering predictable performance when uptime and safety matter most.

• Precise overcurrent protection behind fast, dependable trip characteristics to guard against overloads and short circuits, reducing the risk of equipment damage and unplanned downtime.
• Seamless integration designed for straightforward inclusion in standard distribution setups, making retrofits and new builds more efficient in industrial, commercial, and OEM environments.
• Operational safety focused on safe operation in challenging electrical environments, helping protect personnel and assets in busy control rooms and production floors.
• Reliability in motor control centers and distribution panels where consistent protection is essential for motors, feeders, and critical circuits.

Who should consider the PK22FL

• Electrical engineers and maintenance teams responsible for keeping facilities running smoothly.
• OEM integrators seeking robust, dependable protection for equipment and machinery.
• Electrical contractors installing or upgrading panelboards, switchboards, and control panels.

Practical use cases

• Protecting feeders and motors in manufacturing lines and material handling systems.
• Providing safe, reliable protection in industrial control panels and packaged equipment.
• Serving as a critical safety component in distribution panels within commercial facilities.

Installation and best practices

When selecting the PK22FL, align the breaker type with your system’s current requirements and trip characteristics. Verify compatibility with your existing panelboards and motor control centers, and plan for easy integration into OEM equipment stacks or new builds. Regularly follow your facility’s electrical safety and maintenance plan to sustain performance over time.

Maintenance and reliability tips

Schedule routine inspections of protective devices in high-use environments, test trip functionality per your safety program, and document any irregularities. Keeping protective devices in calibration helps ensure overcurrent protection remains precise and ready to respond when circuits demand it.