{"product_id":"square-d-qomb3-70a-3p-240v-circuit-breaker","title":"Square D QOMB3 70A 3P 240V Circuit Breaker, QO, Plug-On | AmpState","description":"\u003cdiv\u003e\u0026lt; p \u0026gt;The Square D QOMB3 is a 70 A, 3-pole, 240 V circuit breaker designed for reliable protection in panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, this QO plug-on breaker delivers a straightforward, secure replacement option in environments where a direct part-number match matters. \u0026lt; \/p \u0026gt; \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e: Specifically labeled QOMB3, it’s designed to slot into Square D panel configurations that require a 70 A, 3-pole, 240 V QO device, helping you maintain system integrity without guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQO plug-on design\u003c\/strong\u003e: The plug-on connection speeds up installation and ensures a solid, dependable interface with the panel bus, reducing field labor time and potential wiring errors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 240-volt protection\u003c\/strong\u003e: Ideal for three-phase or multi-wire branch circuits common in commercial and industrial settings, delivering coordinated protection across all hot conductors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for panel builds and service upgrades\u003c\/strong\u003e: A smart choice for maintenance teams, panel builders, and spare inventory where stock and part-number accuracy streamline project timelines and reduce downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReady for AmpState availability\u003c\/strong\u003e: This unit is available from AmpState, with support to confirm fit and compatibility if you’re matching a specific panel model or service requirement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this breaker? If you’re stocking spare parts for field service, assembling new panels with Square D QO components, or replacing a failed 70 A, 3P, 240 V device in a QO-compatible distribution system, the QOMB3 offers a precise, dependable fit. Its plug-on design minimizes on-site fiddling, so technicians can complete replacements quickly and safely, keeping electrical systems protected and up to code.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for use\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify your panel is a Square D QO series and that a 70 A, 3-pole, 240 V configuration matches the labeling on your distribution equipment.\u003c\/li\u003e \u003cli\u003ePower down the service and discharge stored energy before replacement, using proper lockout\/tagout procedures.\u003c\/li\u003e \u003cli\u003eStore spare QOMB3 units in their original packaging to preserve performance and ease of future replacements.\u003c\/li\u003e \u003cli\u003eWhen in doubt about fit, reach out to AmpState for a quick compatibility check and part-number confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413680967842,"sku":"QOMB3","price":335.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qomb3-70a-3p-240v-circuit-breaker-qo-plug-on-ampstate-765.webp?v=1789079595","url":"https:\/\/www.ampstate.com\/products\/square-d-qomb3-70a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}