Square D KC342001021 Circuit Breaker, 200A, 3-Pole, 480V

Engineered by Square D for demanding industrial environments, the KC342001021 circuit breaker delivers reliable protection for 480V, three‑phase power systems. With a 200 A rating and a rugged 3‑pole design, it helps safeguard critical equipment in service, maintenance, and replacement projects, keeping downtime to a minimum and uptime to a maximum.

Key specifications at a glance

• Manufacturer: Square D
• Part Number: KC342001021
• Product Type: Circuit Breaker
• Amperage: 200 A
• Poles: 3 Poles
• Voltage: 480V

What this means for your project

Designed to protect 3‑phase 480V power distribution, this 200 A Square D breaker provides immediate isolation when faults occur, helping prevent equipment damage and electrical hazards. Its 3‑pole configuration is ideal for balanced 3‑phase systems, delivering coordinated protection across all phases to maintain system stability during tripping events.

Ideal applications

• Industrial electrical service upgrades and new installations
• Maintenance and replacement of aging or failed breakers in control panels and switchgear
• Protection for 3‑phase feeders and main distribution circuits in manufacturing facilities

Why it stands out

• Authorized Square D part number KC342001021 ensures you’re selecting a compatible, field‑tested solution for 480V systems.
• Clear alignment between part number and application requirements helps simplify sourcing and reduce integration risk.
• Robust construction tailored for industrial environments, designed to endure demanding service conditions.

Compatibility and support

To confirm a perfect fit, verify the part number KC342001021 against your equipment and system requirements. If you’re unsure about compatibility or how this breaker integrates with your existing panels, send us a message and we’ll assist with part number validation and application fit to help you move forward with confidence.