Square D | KA26100AC | Circuit Breaker | 100A | 2-Pole | 600V

Square D KA26100AC Circuit Breaker is a robust two-pole, 100-amp protective device designed for 600-volt electrical systems. Whether you’re maintaining an existing installation, retrofitting a panel, or replacing a failed breaker, KA26100AC delivers reliable protection when it matters most.

Key specifications

• Amperage: 100 A
• Poles: 2-Pole
• Voltage: 600 V
• Part number: KA26100AC
• Brand: Square D

Why this matters - In industrial and commercial settings, protecting feeders and branch circuits from overloads is essential to prevent damage and downtime. The KA26100AC is designed to be a drop-in replacement where the 2-pole, 100-amp, 600-volt protection profile is required, ensuring safe interruption of fault currents and compatibility with Square D panels and enclosures that reference this part number.

Ideal use cases

• Maintenance projects in existing electrical distributions where a 100 A, 2-pole device is needed.
• Retrofits to upgrade older panels to up-to-date protection ratings while preserving existing wiring and bus configurations.
• Replacement of a failed breaker in 600V circuits within industrial, commercial, or large-residential settings that use Square D components.

Compatibility note - Notes: Confirm fit and ratings before ordering. Part number is the best reference for compatibility. This KA26100AC unit is the precise reference for applications that require a 100A, 2-pole, 600V Square D circuit breaker. To ensure proper operation, match this model to the panel labeling and the existing protective device family you’re updating.

For installers and procurement teams, choosing the KA26100AC means aligning with Square D’s trusted protection standards, preserving system reliability, and simplifying future maintenance. Ready for retrofit, replacement, or routine maintenance, this breaker keeps your distribution running smoothly while providing clear, immediate interruption in the event of overcurrent conditions.