Square D KH26090BC 90A 2-Pole 600 V Circuit Breaker

Introducing the Square D KH26090BC 90A 2-Pole 600 V Circuit Breaker — a purpose-built protection device crafted to safeguard high-demand electrical circuits while keeping your system compliant and reliable.

As an authentic KH-series Square D component, this 90-amp circuit breaker is the right choice when you need robust overcurrent protection for two hot lines up to 600 volts. The 2-pole design trips both poles together, delivering quick, safe isolation of faulted circuits and reducing the risk of arc faults in multi-wire branch circuits.

• Part Number: KH26090BC
• Current Rating: 90 A
• Poles: 2
• Voltage Rating: 600 V
• Family: Square D KH-series

Where this breaker shines

• Industrial feeders and commercial distribution panels that require reliable protection for high-load circuits.
• Motor load circuits and transformer feeders where consistent trip characteristics prevent equipment damage and downtime.
• Direct replacement scenarios in KH-series panels, ensuring compatibility and minimizing installation risk.

Why choose a genuine Square D KH26090BC rather than a generic substitute? Its exact fit and proven performance within KH panels help maintain system integrity, simplify maintenance, and support long-term reliability. With a two-pole common-trip design and a 600 V rating, it delivers precise protection for both conductors, making it a dependable choice for safeguarding expensive electrical equipment and reducing unplanned outages.

Practical tips for installation and use

• Confirm panel compatibility with KH-series circuit breakers before installation to ensure a secure fit and proper trip operation.
• Follow local electrical codes and manufacturer torque specifications for terminal connections to maintain reliable performance.
• Keep KH26090BC as a spare for quick replacement in critical service panels, reducing downtime during maintenance windows.