Square D KA36150G 150A 3-Pole 600 V Circuit Breaker

Meet the Square D KA36150G 150A 3-Pole 600 V Circuit Breaker — a dependable, three-phase protection unit built for demanding electrical environments. With a 150 ampere current rating and a 600 V maximum voltage, this KA36150G model delivers reliable overcurrent protection for critical equipment and three-phase distribution systems.

• Current rating: 150 A
• Poles: 3 (three-pole design for 3-phase circuits)
• Voltage rating: 600 V
• Part number: KA36150G
• Brand: Square D (Schneider Electric)
• Application: Provides coordinated protection for three-phase loads, reducing the risk of phase imbalances and equipment damage

Why the KA36150G stands out

Designed for robust performance in industrial and commercial electrical distributions, this 3-pole breaker offers synchronized trip action across all phases, ensuring reliable shutdown of the entire circuit during an overload or short-circuit. Its durable construction and precise trip characteristics help minimize downtime and protect motors, pumps, conveyors, and other heavy-duty loads.

Ideal use cases

• Three-phase motor circuits in manufacturing, processing plants, and facilities with heavy equipment
• Industrial feeders and branch circuits that require reliable protection up to 600 V
• Electrical distribution panels and disconnect enclosures where a 3-pole, 150 A device is specified

Installation, safety, and reliability

Use in accordance with local electrical codes and manufacturer guidelines. For installation and service, rely on a qualified electrician. The KA36150G is built to offer consistent protection in environments where stable, predictable tripping is critical for safety and uptime.

Practical tips for longevity and performance

• Regularly verify trip functionality during planned maintenance windows, following safety procedures
• Inspect for signs of wear, corrosion, or overheating during routine panel checks
• Replace after any protective trip event that indicates an unresolved fault or after end-of-life advisories from your maintenance schedule
• Keep documentation handy with the part number KA36150G for quick replacement and panel compatibility reviews