Square D | KAF26090 | Circuit Breaker | 90A | 2-Pole | 600V

Protect and power your mid‑to‑high‑demand electrical systems with the Square D KAF26090 circuit breaker. This 90A, 2‑pole unit is purpose‑built for reliability in demanding environments, delivering dependable overcurrent protection for up to 600V circuits. Ideal for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker keeps critical equipment running smoothly and safely.

Key specifications at a glance

• Amperage: 90A
• Poles: 2‑Pole
• Voltage rating: 600V
• Part reference: KAF26090
• Best use: maintenance, retrofit, and replacement in compatible Square D panels

Why this Square D breaker stands out

Unlike generic replacements, the KAF26090 is engineered to integrate seamlessly with Square D panels. Its 2‑pole design provides balanced protection for each phase, while the 90A rating suits circuits that demand solid, reliable interruption protection without compromising system performance. The 600V rating expands its applicability to a wide range of industrial and commercial installations, making it a practical choice for upgrade projects or panel modernization initiatives.

Practical use cases

• Retrofitting older panels to meet current safety and reliability standards
• Replacing a failed breaker in a 600V, two‑pole configuration
• Maintenance shutdowns and service upgrades where exact Square D specs are required

What to check before ordering

To ensure compatibility and safe operation, confirm the fit and ratings for your panel before purchasing. The part number KAF26090 is the most reliable reference for compatibility, so match it to your panel’s documentation and label. If your system operates at 600V and requires a 2‑pole 90A breaker, this unit is designed to meet those exact requirements.

Value in one durable solution

Choosing the KAF26090 means prioritizing consistent performance, straightforward replacement, and continued protection for your electrical distribution. It’s a purpose‑built Square D component that aligns with professional installation practices, supports reliable shutdowns, and helps minimize downtime during maintenance or upgrades.