Square D | KCL341501021 | Circuit Breaker | 150A | 3-Pole | 480V

Square D KCL341501021 Circuit Breaker is a purpose-built OEM replacement designed for reliability in 480V, three-phase electrical systems. Engineered to fit critical distribution panels, it's the practical choice when maintenance, retrofit, or replacement work demands exact specifications.

Key specifications at a glance

• Amperage: 150A
• Poles: 3-Pole
• Voltage rating: 480V
• Part number: KCL341501021
• Ideal use: maintenance, retrofit, and replacement where matching specs are required

Why this Square D breaker stands out

• OEM-grade compatibility ensures exact fit and electrical characteristics for Square D panels and equipment designed for 480V three-phase protection.
• Precise part-number reference (KCL341501021) minimizes guesswork during stock replenishment and outages, helping you avoid improper substitutions.
• Built to support ongoing maintenance and retrofit projects, reducing downtime when upgrading aging protection in industrial environments.

Use cases and who benefits most

• Industrial facilities with 480V three-phase distribution seeking a reliable 150A protection solution for feeders, motors, or distribution bus sections.
• Retrofit projects where existing gear requires an exact 3-pole, 480V replacement to maintain electrical compatibility and safety standards.
• Maintenance cycles in manufacturing lines, data centers, or processing plants that rely on consistent, OEM-proven protection components.

Fit, compatibility, and ordering guidance

Before purchasing, verify that your panel or equipment is designed to accept a 3-Pole, 480V circuit breaker with a 150A rating. The part number is the best reference for compatibility, and confirming fit and ratings helps ensure safe, compliant operation.

For reliable protection in 480V three-phase circuits, the Square D KCL341501021 brings OEM precision, durable performance, and a straightforward path to keep your electrical system running cleanly and safely.