{"product_id":"bussmann-er12-40n3sr-disconnect-switch","title":"Bussmann ER12-40N3SR - 40A, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Bussmann ER12-40N3SR 40A Disconnect Switch — engineered for industrial and commercial environments where safe electrical isolation isn’t optional, it’s essential. This switch is built to support proper lockout\/tagout procedures while delivering dependable disconnection under load, backed by long-term durability you can rely on.\u003c\/p\u003e \u003ch3\u003eWhy the ER12-40N3SR stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e40A current rating\u003c\/strong\u003e handles typical motor loads, feeders, and control circuits with confident reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/tagout readiness\u003c\/strong\u003e integrates with standard safety practices, helping protect personnel during maintenance and service operations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDependable disconnection under load\u003c\/strong\u003e ensures circuits can be isolated safely even when equipment is energized, reducing downtime and risk.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable design for harsh environments\u003c\/strong\u003e built to withstand the demands of busy facilities, delivering consistent performance over the long term.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for whom and where\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams, electricians, and safety officers responsible for motors, pumps, fans, conveyors, and other controlled loads\u003c\/li\u003e \u003cli\u003ePlant managers seeking reliable, compliant isolation solutions to enhance safety protocols\u003c\/li\u003e \u003cli\u003eContractors and service providers needing a rugged, dependable disconnect switch for both temporary and permanent installations\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eShutting down machines for preventive maintenance or calibration without the risk of unexpected startups\u003c\/li\u003e \u003cli\u003eIsolating a circuit in a panel during wiring changes, testing, or fault isolation\u003c\/li\u003e \u003cli\u003eProviding a clear, safe point of isolation in electrical rooms or equipment areas for routine procedures\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Bussmann\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e ER12-40N3SR\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Bussmann ER12-40N3SR for a robust, safety-first disconnect switch that blends practical safety features with reliable performance. It’s the informed choice for isolating power responsibly, streamlining maintenance, and keeping operations progressing smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383419457698,"sku":"ER12-40N3SR","price":1710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/bussmann-er12-40n3sr-40a-disconnect-switch-773.webp?v=1788791442","url":"https:\/\/www.ampstate.com\/products\/bussmann-er12-40n3sr-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}