{"product_id":"nrg-three-phase-concrete-floor-grinder-4kw-with-built-in-vacuum-dc-400","title":"NRG Three-Phase Concrete Floor Grinder 4kW with Built-In Vacuum - DC-400","description":"\u003cp\u003e\u003cstrong\u003eThe NRG Three-Phase Concrete Floor Grinder 4kW – DC-400\u003c\/strong\u003e is a \u003cstrong\u003ewalk-behind concrete floor grinder rated at 4kW, operating on 380V three-phase at 50Hz with a grinding speed of 1,680rpm, built-in vacuum dust-control system and supplied grinding disc and sandpaper\u003c\/strong\u003e. Suitable for grinding and preparing concrete or compatible hard-floor surfaces before coating, polishing or repair, with integrated dust collection during dry surface preparation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4kW three-phase motor supports professional floor preparation across large areas.\u003c\/li\u003e\n\u003cli\u003eBuilt-in vacuum combines grinding and dust collection in a single operation.\u003c\/li\u003e\n\u003cli\u003eWalk-behind layout improves operator control over large surfaces.\u003c\/li\u003e\n\u003cli\u003eSupplied disc and sandpaper support initial setup without additional consumables.\u003c\/li\u003e\n\u003cli\u003eUseful for coating removal, surface levelling and floor renovation work.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Type:\u003c\/strong\u003e Walk-behind concrete floor grinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Power:\u003c\/strong\u003e 4kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 380V three-phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinding Speed:\u003c\/strong\u003e 1,680rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust Control:\u003c\/strong\u003e Built-in vacuum cleaner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsumables Supplied:\u003c\/strong\u003e Grinding disc and sandpaper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMobility:\u003c\/strong\u003e Wheeled frame with operator handle\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NRG","offers":[{"title":"Default Title","offer_id":44374928916614,"sku":"NTC24322SM","price":17000.0,"currency_code":"GHS","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0115\/4872\/1218\/files\/ChatGPTImageSep14_2026_10_09_59AM_1.png?v=1789380616","url":"https:\/\/supplymaster.store\/products\/nrg-three-phase-concrete-floor-grinder-4kw-with-built-in-vacuum-dc-400","provider":"Supply Master","version":"1.0","type":"link"}