{"product_id":"21-b178sl6-circuit-breaker","title":"21-B178SL6 | Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe 21-B178SL6 Circuit Breaker is your go-to industrial protection device when exact compatibility matters. Identified by its part number, this breaker is designed for maintenance, retrofit, and replacement projects where matching specifications are non‑negotiable.\u003c\/p\u003e \u003cp\u003eWhy the part number matters: all critical details—ratings, trip characteristics, mounting style, and fit—are defined by 21-B178SL6. This means you’re not guessing about whether it will work with your panel or equipment; you’re aligning with a proven specification designed for seamless integration.\u003c\/p\u003e \u003ch2\u003eKey benefits at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise compatibility\u003c\/strong\u003e—useful in retrofits and replacements where exact specs are required to maintain protection and performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined procurement\u003c\/strong\u003e—the part number is the definitive reference for matching your existing hardware, reducing order errors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection\u003c\/strong\u003e—designed to provide consistent overcurrent protection in industrial applications when paired with the correct ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance on existing equipment powered by circuits protected by the 21-B178SL6 family.\u003c\/li\u003e \u003cli\u003eRetrofits where legacy panels require a precise, compatible circuit-breaker replacement.\u003c\/li\u003e \u003cli\u003eReplacement of a failed breaker in systems that specify 21-B178SL6 as the compatible part number.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to know before you purchase\u003c\/h3\u003e\n\u003cp\u003eRefer to the 21-B178SL6 part number for exact specifications. Confirm fit and ratings with the official datasheet or equipment manufacturer documentation before ordering to ensure seamless compatibility with your panel, bus, and wiring scheme.\u003c\/p\u003e \u003ch3\u003ePractical guidance for installers\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCross-check mounting format and terminal configuration against your panel’s design.\u003c\/li\u003e \u003cli\u003eVerify voltage and current ratings align with your circuit requirements and protection plan.\u003c\/li\u003e \u003cli\u003eAdhere to safety standards and shutdown procedures when replacing or retrofitting breakers in live equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the 21-B178SL6 means prioritizing precise compatibility and dependable protection, backed by a clear, part-number–driven specification path. If your project hinges on exact specs and reliable interchangeability, this circuit breaker is tailored to meet those exacting demands.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426795704482,"sku":"21-B178SL6","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\/21-b178sl6-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}