Square D | KH36090CBA | Circuit Breaker | 90A | 3-Pole | 600V

Meet the Square D KH36090CBA circuit breaker—a robust, three-pole, 90-amp device built for demanding electrical panels and power systems. With a 600V rating, it’s designed for maintenance, retrofit, and replacement projects where precise specs matter.

Key specifications

• Amperage: 90A
• Pole configuration: 3-Pole
• Voltage rating: 600V
• Part number reference: KH36090CBA — your best compatibility anchor

Why this KH36090CBA matters for your panel

• Designed for exact-fit replacement in Square D and compatible systems, reducing misfits and downtime.
• Three-pole configuration ensures simultaneous disconnection of all live conductors in three-phase systems, enhancing safety during maintenance and fault clearing.
• 600V rating supports industrial and commercial distribution networks, delivering reliable performance in higher-voltage environments.
• Part number KH36090CBA serves as the most reliable reference when checking panel compatibility, minimizing search guesswork.

Use cases and ideal applications

• Retrofits in aging electrical panels where a 90A, 3-pole, 600V breaker is required.
• Maintenance replacements to restore service quickly with a known, trusted spec.
• New installations in systems designed around 3-phase, 600V circuits that demand clean, coordinated tripping.

What to verify before you purchase

• Confirm fitment by comparing the panel’s labeling with KH36090CBA specifications—amperage, pole count, and voltage.
• Ensure the replacement aligns with your electrical service requirements and local codes for three-phase, 600V distribution.
• Keep the part number as your primary reference to avoid mismatches during ordering.

With Square D’s engineering backing, this KH36090CBA circuit breaker delivers dependable protection, precise tripping performance, and a straightforward replacement path for maintenance and retrofit projects. Whether you’re upgrading an old panel or stocking spare parts for ongoing service, this 90A, 3-pole, 600V breaker keeps critical systems safe and running.