{"product_id":"square-d-a1b290-circuit-breaker","title":"Square D | A1B290 | Circuit Breaker | 2-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSquare 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.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e2-Pole bolt-on design\u003c\/strong\u003e provides a secure mechanical mount on compatible panels, delivering a stable electrical connection and reducing the risk of loosening from vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number A1B290\u003c\/strong\u003e serves as the definitive reference for matching Square D panels and replacements, helping you avoid compatibility pitfalls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for maintenance, retrofit, and replacement\u003c\/strong\u003e when you need reliable two-pole protection while working within existing panel setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility emphasis\u003c\/strong\u003e—Always confirm fit and ratings before ordering; use the A1B290 reference to ensure amperage, voltage, and trip characteristics align with your panel requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis 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.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHow 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.\u003c\/li\u003e \u003cli\u003eInstallation note: ensure proper torque and follow your panel manufacturer's guidelines to secure the breaker and maintain reliable protective performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427298332834,"sku":"A1B290","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-a1b290-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}