Square D KAL361256139 125A 3-Pole 600 V Circuit Breaker

Trustworthy overcurrent protection for three-phase systems starts with a dependable circuit breaker. The Square D KAL361256139 delivers robust performance as a 125A, 3-pole device rated for up to 600V, designed to safely interrupt fault currents and protect essential electrical infrastructure.

• Part Number: KAL361256139
• Current rating: 125 A
• Poles: 3
• Voltage rating: 600 V

Ideal applications

• Three-phase commercial or light-industrial panels requiring reliable 125A protection
• Motor feeders and distribution circuits in manufacturing or processing environments
• Panel installations where uniform protection across all three phases is essential for equipment safety

What makes this model stand out

• Three-pole configuration provides synchronized disconnection across all phases, a critical factor for protecting 3-phase motors and power systems
• High-voltage compatibility up to 600V makes it suitable for a range of industrial and commercial electrical setups
• Part of the Square D family, offering familiar form factor and integration with standard panels and enclosures that support Square D breakers

Practical highlights and tips

• Verify compatibility with your panel or MCC by matching the part number and the 3-pole, 600V specification
• Use as a replacement for existing 125A, 3-pole circuits to restore reliable protection for 3-phase loads
• When installing, ensure proper alignment with the panel bus and secure mounting to maintain reliable operation and safe disengagement during faults

For contractors and facility engineers, the Square D KAL361256139 provides a straightforward, dependable solution for protecting 3-phase equipment and maintaining electrical system safety in demanding 600V environments.