Square D | KA360801021 | Circuit Breaker | 80A | 3-Pole | 600V

Square D KA360801021 Circuit Breaker — a precise, factory-matched protection solution for 600V systems. This 80A, 3-pole unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, delivering dependable overcurrent protection for three-phase circuits.

Key specifications

• Amperage: 80A
• Poles: 3-Pole
• Voltage rating: 600V

Why this KA360801021 matters

When your panel demands a Square D device with matching ratings, KA360801021 provides a seamless fit that preserves wiring configurations, mounting, and trip behavior familiar to your system. The part number is the most reliable reference for compatibility, helping you avoid mismatches during maintenance or upgrades.

Ideal use cases

• Maintenance: Replace aging or worn-out breakers in 3-phase, 600V applications to restore protection and reliability.
• Retrofit: Upgrade panels that require an 80A, 3-pole, 600V Square D breaker to support updated loads or safety standards.
• Replacement: Swap in when matching existing KA360801021 specifications to maintain electrical continuity and compliance.

How it protects your system

This circuit breaker is designed to interrupt current flow during overcurrent events, guarding downstream equipment, wiring insulation, and overall system integrity. By using a device that aligns with your panel’s design and rating, you reduce the risk of nuisance trips or improper protection that can occur with incompatible substitutes.

Installation and compatibility tips

• Always confirm fit and ratings before ordering—reference the part number KA360801021 as the primary compatibility check.
• Use in 600V, three-phase environments where an 80A protective device is required.
• Keep a spare KA360801021 on hand for planned maintenance or unexpected outages to minimize downtime.

Choose the Square D KA360801021 when you need reliable, spec-accurate protection for 3-pole, 600V circuits. It’s the practical, exact-match solution for professional maintenance, retrofit, and replacement projects that demand clarity and confidence in every electrical upgrade.