Square D | KH36125CBA | Circuit Breaker | 125A | 3-Pole | 600V

Square D KH36125CBA is a 125A, 3-Pole circuit breaker designed for 600V systems. Engineered to meet the exacting demands of maintenance, retrofit, and replacement projects, it ensures reliable protection for three-phase electrical feeders in commercial and industrial panels.

With its 125 amp rating and three-pole configuration, this breaker safeguards motors, pumps, conveyors, and other heavy-duty equipment from overcurrent events, while the 600V rating accommodates a wide range of industrial electrical networks. It’s the practical choice when upgrading panel protection or restoring a distribution system to its intended performance.

• Key specs: Amperage 125A • Poles: 3-Pole • Voltage: 600V
• Why this stands out: Genuine Square D part that serves as the definitive reference for compatibility and replacement decisions, ensuring a reliable fit in systems that require precise specifications.
• Ideal use cases: Maintenance and replacement in three-phase distribution panels; retrofitting older equipment to meet current protection standards; new installations needing a 125A, 3-pole, 600V circuit interrupter.
• How to ensure a correct fit: Use KH36125CBA as the primary compatibility reference and verify your panel’s ratings and interrupting capacity before ordering.
• Practical tips: Pair with a compatible enclosure and bus bar arrangement, confirm wiring and terminations match the ampacity, and follow standard electrical safety practices during installation.