Square D KAB-36125 - 125A, 3-Pole, Circuit Breaker

The Square D KAB-36125 is a purpose-built 125A, 3-pole circuit breaker designed to deliver dependable overcurrent protection in demanding electrical environments. Ideal for panelboards, switchboards, and control panels, it provides reliable three-phase protection for critical loads in industrial, commercial, and OEM installations.

Why the KAB-36125 stands out

• Three-pole configuration protects all three hot legs in a three-phase system, ensuring synchronized interruption and safer, balanced operation across motors and feeders.
• 125A current rating supports higher-load circuits common in distribution panels and motor control centers, helping to protect sizable equipment without nuisance trips.
• Evolution within the Square D line—designed to integrate smoothly with other Square D components in panels and MCCs, helping you maintain consistent performance and compatibility across your electrical infrastructure.

Ideal applications

Use the KAB-36125 in industrial facilities, commercial sites, and OEM equipment where robust overcurrent protection is essential. It’s well-suited for:

• Distribution panels and motor control centers that power three-phase motors, pumps, and conveyors
• Control panels that require reliable protection for multiple feeders
• Enclosures in environments where quick, predictable trip behavior minimizes downtime and protects expensive equipment

Installation and compatibility

Designed for straightforward replacement and installation in compatible Square D systems, the KAB-36125 slides into standard panelboard and switchboard configurations, providing a secure, reliable connection for three-phase circuits. For best results, pair this breaker with properly rated bus connections and follow standard electrical practices for torque, labeling, and safety. Its three-pole design and 125A rating align with common industrial and commercial sizing needs, helping you streamline procurement and reduce part variety without compromising protection.

What you gain

• Reliability consistent protection against overcurrent events to safeguard motors, drives, and other critical equipment.
• Safety coordinated protection across all phases, reducing the risk of undetected faults that can damage downstream devices.
• Operational continuity clear, predictable tripping behavior minimizes unplanned downtime and supports quicker maintenance decisions.
• Scalability a practical choice for growing electrical systems that require dependable 125A, three-phase protection.

With the Square D KAB-36125, you’re choosing a trusted solution built for high-demand environments, designed to integrate seamlessly into distribution panels and motor control centers, and backed by the reliability that comes with the Square D name. If you need robust, three-phase protection at a 125A rating, this 3-pole circuit breaker offers a concrete, field-ready answer that aligns with your existing Square D infrastructure and future-proofing goals.