{"product_id":"square-d-qo3251021-25a-3p-240v-circuit-breaker","title":"Square D QO3251021 25A 3P 240V Circuit Breaker, QO, Plug-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO3251021 — a purpose-built circuit breaker designed to safeguard electrical distribution in panelboards, load centers, and related systems. This 25 A, 3-pole, 240 V unit is the reliable choice for retrofit work and maintenance planning when a consistent part number is essential for quick replacements and minimal downtime. \u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eType and compatibility:\u003c\/strong\u003e QO Plug-On design engineered for Square D QO-series panelboards and load centers, ensuring a secure, fast swap in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eElectrical specs:\u003c\/strong\u003e 25 A, 3 poles, 240 V — ideal for protecting multi-wire, 240-volt circuits in commercial, industrial, or residential settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetention of part numbers:\u003c\/strong\u003e Helps maintain documentation and stocking accuracy during retrofits or fleet-wide upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Part of AmpState’s catalog, ready to ship to support planned maintenance or urgent replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis 25 A, 3-pole configuration is particularly well-suited for 240 V circuits that require robust protection across three phases or multi-wire arrangements. The plug-on connection fosters straightforward installation, reduces field wiring complexity, and minimizes service interruption when upgrading or repairing panels.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most\u003c\/strong\u003e from the QO3251021? electricians, facilities managers, and maintenance teams working on retrofit projects, panelboard modernization, or routine electrical distribution upkeep. It’s an excellent fit when you need a dependable, widely compatible breaker that aligns with existing QO equipment without re-labeling or reconfiguring the surrounding circuitry.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e include:\n- Replacing aged or failed 3-pole breakers in factory or building infrastructure that operates 240 V equipment.\n- Retrofitting older panels to restore circuit protection while preserving current part numbers for inventory control.\n- Maintaining consistent protective devices across multiple panels to simplify training, stocking, and service planning.\u003c\/p\u003e \u003cp\u003eCompared to alternative breaker options, the QO3251021 emphasizes compatibility and efficiency within Square D installations. Its plug-on design reduces field connectivity steps, helping technicians complete panel maintenance faster while preserving safe, reliable circuit protection. For best results, confirm that your panel supports QO-series plug-ons and that a 3-pole 240 V configuration aligns with the protected load. \u003c\/p\u003e \u003cp\u003eReady for procurement or compatible with your maintenance schedule, the Square D QO3251021 is available from AmpState. If you’re coordinating a retrofit or planning upcoming maintenance, this model delivers the reliability and compatibility you need without complicating your part-number ecosystem.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413694468258,"sku":"QO3251021","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/square-d-qo3251021-25a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}