Square D | KAL36125V | Circuit Breaker | 125A | 3-Pole | 36125V

Meet the Square D KAL36125V circuit breaker—a purpose-built solution for dependable overcurrent protection in three‑phase electrical systems. With a 125A rating and a 3‑pole configuration, this unit is designed for maintenance, retrofit, and replacement projects where exact specifications matter and reliable performance is non‑negotiable.

Key specifications

• Amperage: 125 A
• Poles: 3‑Pole
• Voltage: 36125V

What makes this breaker unique

The KAL36125V is tailored to Square D panel architectures, delivering consistent protection across all three hot legs in a 3‑phase system. Its design supports precise coordination with existing panelboards and equipment, helping prevent nuisance trips while ensuring rapid disconnection under fault conditions. The part number KAL36125V serves as the most reliable reference for compatibility, simplifying your sourcing process when matching historical or retrofit specifications.

Ideal use cases

• Maintenance and retrofit projects in commercial or light industrial panels that require a precise 125A, 3‑pole solution.
• Replacement for failed or worn breakers where the KAL36125V rating aligns with existing system protection.
• Panel upgrades or reconfigurations that maintain 3‑phase distribution without altering protection schemes.

Installation and compatibility tips

Before ordering, confirm the fit and ratings against your panel labeling and service equipment. Remember: the part number is the best reference for compatibility. If you’re replacing an existing 3‑pole unit, verify that the amperage, pole count, and voltage rating align with your system’s requirements. For safe installation, ensure the main power is off and follow all applicable electrical codes and manufacturer guidelines.

What you get: a Square D KAL36125V circuit breaker designed for 125A, 3‑pole protection with a 36125V rating—built for reliability in demanding electrical environments. Ready to upgrade or replace? Add this proven solution to your cart and keep your three‑phase system protected with precision.