{"product_id":"abb-s3n020tw-circuit-breaker","title":"ABB | S3N020TW | Circuit Breaker | 20A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB S3N020TW. This 20A, 3-Pole, 600V bolt-on circuit breaker is built for demanding industrial environments where precise protection and reliable uptime matter. Designed for maintenance, retrofit, and replacement projects, it fits into compatible ABB panels with ease, delivering consistent performance where three-phase power protection is essential.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart identification:\u003c\/strong\u003e S3N020TW\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cp\u003eIn three-phase electrical systems, precise matching of the breaker to the panel is critical. The S3N020TW is purpose-built to align with ABB’s S3N series and similar bolt-on configurations, ensuring correct mounting pattern and electrical connection. Its bolt-on design supports secure, vibration-resistant installation, which is especially valuable in equipment rooms, factories, and process lines where panels endure continuous operation.\u003c\/p\u003e \u003ch2\u003eWho it’s for\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance technicians performing routine replacements in existing ABB bolt-on panels.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a like-for-like 3-Pole, 600V protection device is required.\u003c\/li\u003e \u003cli\u003ePanel builders and integrators needing a precise 20A, 3-phase breaker to protect motors, drives, and power distribution networks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn 3-pole breaker in a 600V distribution panel that serves a 3-phase motor or process line.\u003c\/li\u003e \u003cli\u003eUpgrading an older control panel with a modern, ready-to-install bolt-on protector that matches the original specifications.\u003c\/li\u003e \u003cli\u003eAdding a dedicated protective device to a retrofit project where exact amperage and voltage ratings are non-negotiable.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow it compares to alternatives\u003c\/h2\u003e\n\u003cp\u003eThis 3-Pole bolt-on breaker is tailored for panels that require a precise physical footprint and connection pattern. While other breakers may offer different mounting styles or voltages, the S3N020TW provides exact alignment for compatible ABB enclosures and a clear part-number reference to avoid ambiguity in replacements. When exact fit and spec continuity matter, choosing the S3N020TW helps prevent misfits and unnecessary downtime.\u003c\/p\u003e \u003ch2\u003eCompatibility and installation notes\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The part number S3N020TW is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003eVerify that your panel supports bolt-on mounting and 3-pole protection for 600V systems.\u003c\/li\u003e \u003cli\u003eHandle with standard electrical safety practices: de-energize equipment, follow lockout\/tagout procedures, and torque connections per panel and manufacturer guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTips for optimal performance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eKeep a small inventory of identical units on hand for rapid maintenance and minimal system downtime.\u003c\/li\u003e \u003cli\u003eWhen retrofitting, document the exact part number and panel model to ensure future replacements remain straightforward.\u003c\/li\u003e \u003cli\u003eStore spare units in a clean, dry environment to preserve mechanical and electrical integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46426764476578,"sku":"S3N020TW","price":510.0,"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\/abb-s3n020tw-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}