Square D KCL341101021 110A 3-Pole 480 V Circuit Breaker

When your electrical distribution relies on 3-phase power, the Square D KCL341101021 110A 3-Pole 480 V Circuit Breaker delivers precise, reliable protection for demanding environments. This 3-pole unit guards 3-phase feeders in commercial and light industrial installations, ensuring safe operation and minimizing downtime when overloads occur.

Key specifications

• Current rating: 110 A
• Poles: 3
• Voltage rating: 480 V
• Part number: KCL341101021
• Brand: Square D

Why choose the Square D KCL341101021

• 3-pole design provides balanced protection for 3-phase systems common in manufacturing lines and distribution panels.
• 480 V rating aligns with industrial electrical distributions, safeguarding high-voltage feeders safely.
• Square D engineering offers consistent performance and dependable protection when faults occur, helping reduce downtime.
• Exact-fit replacement for compatible Square D panels, simplifying installation and ensuring reliable compatibility.

Ideal use cases

• Protect feeders for motors, compressors, and conveyors in manufacturing facilities.
• Guard 480V branch circuits in commercial buildings with heavy electrical loads like data centers or large HVAC systems.
• Replace aging breakers in Square D panel boards with a precise part number match to maintain system integrity.

Installation and compatibility

The KCL341101021 is designed for seamless integration in Square D panel boards and distribution systems that require a 3-pole 480 V breaker. During installation, ensure proper bus bar alignment and mounting per your panel’s specifications, and verify the circuit is within the 110 A protection range. For safety and code compliance, have a licensed electrician perform the installation.

Maintenance and longevity

Conduct regular visual inspections for signs of overheating, arcing, or wear on the breaker and protected conductors. When service is needed, replace with the same part number (KCL341101021) to maintain consistent protection and trip characteristics. Keeping a spare unit on hand for critical circuits can minimize downtime during scheduled maintenance or unexpected outages.

Secure, reliable, and purpose-built for 3-phase 480 V systems, the Square D KCL341101021 110A 3-Pole 480 V Circuit Breaker is a thoughtful choice for professionals who demand dependable overcurrent protection that aligns with established Square D infrastructure.