Square D | KAL26090 | Circuit Breaker | 90A | 2-Pole | 600V | 25kA

Meet the Square D KAL26090 Circuit Breaker — a precise 90A, 2-pole protection device built to safeguard industrial and commercial electrical systems. Rated for up to 600V and boasting a 25kA interrupting capacity, this breaker is engineered to handle demanding loads and fast fault clearing, reducing downtime and equipment damage.

Designed for maintenance, retrofit, and replacement projects where exact specs matter, the KAL26090 ensures you stay aligned with your panel's original protection profile. The part number itself is your best reference for compatibility — before ordering, verify that KAL26090 matches your panel, bus type, and rating.

Key specifications

• Amperage: 90 A
• Poles: 2-Pole
• Voltage rating: 600V
• Interrupting capacity: 25 kA

Why this Square D breaker stands out

Choosing a Square D KAL26090 means relying on the brand’s longstanding commitment to safe, reliable protection. With its two-pole design, it provides simultaneous disconnection and enhanced protection for both hot legs, helping prevent arc flash risk and protecting downstream equipment. The 25kA interrupting rating delivers strong fault current clearance for typical industrial and commercial circuits, while the 600V rating covers a wide range of distribution applications.

Ideal use cases

• Spare or replacement for existing Square D installations requiring 2-pole, 90A protection
• Maintenance projects where matching an original spec of 90A/2-pole/600V is essential
• Retrofits to upgrade panel protection without changing the overall system design

Practical tips: Have the panel data sheet or service manual on hand to confirm bus type and mounting style. When in doubt, cross-check the KAL26090 against the panel's listing and the manufacturer's recommended protection profile. This cautious approach helps ensure safe, compliant operation and minimizes the risk of incompatibility.