Square D KHL362251290 225A 3-Pole 600 V Circuit Breaker

Introducing the Square D KHL362251290 225A 3-Pole 600 V Circuit Breaker — a purpose-built protective device for demanding industrial and commercial power systems. This part, identified by KHL362251290, is engineered to deliver reliable three-phase protection in harsh environments where uptime and safety matter.

Designed for three-phase feeders and main distribution, this 3-pole breaker safeguards equipment by interrupting fault current across all phases up to 600 volts. With a robust 225 A rating, it supports substantial motor loads, distribution circuits, and panel-fed equipment without compromising protective performance.

• Current rating: 225 A
• Poles: 3
• Voltage rating: 600 V
• Part number: KHL362251290
• Brand family: Square D (KHL-series protection devices)

Why choose this Square D circuit breaker? It consolidates three-phase protection into a single device, simplifying panel layout and maintenance while ensuring synchronized tripping across all phases. This makes it a dependable choice for protecting feeders to motors, transformers, and heavy electrical loads in manufacturing facilities, data centers, and large HVAC applications.

Practical use cases

• Three-phase motor and equipment circuits in industrial facilities
• Main feeders and service entrances in commercial buildings
• Panelboard replacements or upgrades within Square D installations

Tips for optimal use

• Ensure your enclosure and bus arrangement are compatible with a 3-pole 225 A device in the KHL family.
• Coordinate with upstream protection to align trip characteristics with your load profile.
• Keep the part number KHL362251290 handy for service and replacement to maintain panel consistency.