Square D | A1B290 | Circuit Breaker | 2-Pole | Bolt-On

Square D A1B290 2-Pole Bolt-On Circuit Breaker is a dependable solution for maintenance, retrofit, and replacement projects where exact compatibility matters. This genuine Square D component ensures you preserve two-pole protection without altering your panel configuration.

• 2-Pole bolt-on design provides a secure mechanical mount on compatible panels, delivering a stable electrical connection and reducing the risk of loosening from vibration.
• Part number A1B290 serves as the definitive reference for matching Square D panels and replacements, helping you avoid compatibility pitfalls.
• Ideal for maintenance, retrofit, and replacement when you need reliable two-pole protection while working within existing panel setups.
• Compatibility emphasis—Always confirm fit and ratings before ordering; use the A1B290 reference to ensure amperage, voltage, and trip characteristics align with your panel requirements.

This bolt-on circuit breaker is designed for installations where bolt-on mounting is required by the panel design, offering two-pole protection for two hot legs and compatibility with Square D infrastructure. By selecting a genuine A1B290, you minimize compatibility issues during retrofit or replacement, keeping your electrical system protected and compliant.

• How to verify compatibility: match your panel model and original breaker style to confirm bolt-on acceptance, and cross-check panel ratings (amperage, voltage) with the A1B290 specifications.
• Installation note: ensure proper torque and follow your panel manufacturer's guidelines to secure the breaker and maintain reliable protective performance.