{"product_id":"square-d-qob220h-circuit-breaker","title":"Square D | QOB220H | Circuit Breaker | 20A | 2-Pole | 240V | Bolt-On","description":"\u003cdiv\u003eThe Square D QOB220H is a purpose-built solution for reliable 20A protection on 240V two-pole circuits, designed for maintenance, retrofit, and replacement projects where exact specs matter. This bolt-on circuit breaker is a precise fit for panels that accept QOB-style units, delivering a secure, dependable connection in demanding electrical environments. Key details at a glance\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Part number QOB220H is the best reference for matching panels—always confirm fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e Why this breaker stands out\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-match compatibility:\u003c\/strong\u003e Identified by the part number QOB220H, ensuring you’re sourcing the right bolt-on breaker for Square D panels that accept QOB units. Using the correct part number minimizes the guesswork in retrofit projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On reliability:\u003c\/strong\u003e The bolt-on mounting provides a secure, vibration-resistant connection ideal for installations where panel integrity and consistent contact matter, helping to protect critical 240V circuits over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted 20A, 240V, 2-Pole configuration:\u003c\/strong\u003e Specifically suited for two-pole 240V branch circuits, making it a straightforward choice for dedicated loads while preserving panel space and wiring efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e Who it’s ideal for\n\u003cul\u003e \u003cli\u003eElectricians performing panel maintenance, retrofit, or replacement in Square D bolt-on compatible panels\u003c\/li\u003e \u003cli\u003eFacilities managers updating older electrical systems to match current safety standards\u003c\/li\u003e \u003cli\u003eHome and small-business projects requiring a reliable 20A, 240V two-pole solution that fits bolted-on Square D panels\u003c\/li\u003e\n\u003c\/ul\u003e Practical use cases and guidance\n\u003cul\u003e \u003cli\u003eReplacing a worn or failed 20A, 240V two-pole breaker in a compatible panel without reconfiguring the entire panel layout\u003c\/li\u003e \u003cli\u003eRetrofit scenarios where bolt-on protection is mandated or preferred for enhanced mechanical stability\u003c\/li\u003e \u003cli\u003eNew installations in panels that specify QOB bolt-on breakers for straightforward sourcing and consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e Installation notes and best practices\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings against your panel’s labeling before purchase. The QOB220H is the definitive reference for compatibility.\u003c\/li\u003e \u003cli\u003ePower down the main and follow standard electrical safety procedures prior to replacement or installation.\u003c\/li\u003e \u003cli\u003eEnsure the load is within the 20A rating and that the circuit it protects aligns with a 240V, two-pole arrangement in the panel’s design.\u003c\/li\u003e\n\u003c\/ul\u003e In short, the Square D QOB220H delivers a precise, bolt-on solution for 20A, 240V two-pole circuits in compatible panels. It’s engineered for dependable performance in maintenance, retrofit, and replacement scenarios, backed by Square D’s reputation for reliability and compatibility. If your project requires exact matching specs and a secure bolt-on connection, this is the breaker to choose.\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426708082850,"sku":"QOB220H","price":667.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-qob220h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}