{"title":"Speed Controllers","description":"","products":[{"product_id":"elta-ec-electronic-controller-el21","title":"Elta EC Electronic Controller (EL21)","description":"\u003cdiv data-controller=\"ProductItemVariants,ProductCartButton\" class=\"ProductItem-details-checkout\" data-controllers-bound=\"ProductItemVariants,ProductCartButton\"\u003e\n\u003cdiv class=\"ProductItem-product-price preFade fadeIn\" data-animation-role=\"content\" id=\"yui_3_17_2_1_1726120211845_134\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ProductItem-details-excerpt ProductItem-details-excerpt-below-price\" data-content-field=\"excerpt\" id=\"yui_3_17_2_1_1726120211845_133\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-start=\"45\" data-end=\"587\"\u003eThe \u003cstrong data-start=\"86\" data-end=\"126\"\u003eElta EC Electronic Controller (EL21)\u003c\/strong\u003e is a compact fan speed control unit designed to regulate the speed of compatible EC (electronically commutated) fans using a 0 – 10 V control signal. It’s ideal for adjusting airflow and performance in ventilation systems, allowing simple stepless speed adjustment while offering preset options such as minimum speed or trickle\/boost. It’s rated for up to ~1.5 A full‑load current and works with EC fan control circuits. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"589\" data-end=\"852\"\u003e\u003cstrong data-start=\"589\" data-end=\"617\"\u003eMaterial \u0026amp; Construction:\u003c\/strong\u003e\u003cbr data-start=\"617\" data-end=\"620\"\u003e• Durable electrical control components in a compact enclosure\u003cbr data-start=\"682\" data-end=\"685\"\u003e• Potentiometer‑based 0 – 10 V speed control interface\u003cbr data-start=\"739\" data-end=\"742\"\u003e• Compatible with variable frequency drives and EC fan control systems \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"854\" data-end=\"1172\"\u003e\u003cstrong data-start=\"854\" data-end=\"873\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"873\" data-end=\"876\"\u003e• Type: EC fan electronic speed controller (EL21)\u003cbr data-start=\"925\" data-end=\"928\"\u003e• Control: 0 – 10 V control signal for stepless speed adjustment\u003cbr data-start=\"992\" data-end=\"995\"\u003e• Max load: suitable for ~1.5 A fans\/controllers\u003cbr data-start=\"1043\" data-end=\"1046\"\u003e• Works with EC motors and VFD systems\u003cbr data-start=\"1084\" data-end=\"1087\"\u003e• Preset and trickle\/boost versions available \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1174\" data-end=\"1460\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57219753640261,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/149-EL21_speed_controller.jpg?v=1771760344"},{"product_id":"s-p-reb10-speec-controller","title":"S\u0026P Speed Controller","description":"\u003cdiv data-controllers-bound=\"ProductItemVariants,ProductCartButton\" class=\"ProductItem-details-checkout\" data-controller=\"ProductItemVariants,ProductCartButton\"\u003e\n\u003cdiv id=\"yui_3_17_2_1_1726120616890_133\" data-content-field=\"excerpt\" class=\"ProductItem-details-excerpt ProductItem-details-excerpt-below-price\"\u003e\n\u003cul\u003e\n\u003cli class=\"preFlex flexIn\"\u003e\n\u003cp data-start=\"41\" data-end=\"509\"\u003eThe S\u0026amp;P Speed Controller is an electrical accessory designed to regulate the rotational speed of compatible S\u0026amp;P fan motors, helping you tailor airflow and pressure to match specific system requirements. By adjusting fan speed, it provides improved comfort, reduced energy consumption, and quieter operation. It’s suitable for single‑phase and some three‑phase axial and centrifugal fans when used per manufacturer specifications.\u003c\/p\u003e\n\u003cp data-start=\"511\" data-end=\"651\"\u003e\u003cstrong data-start=\"511\" data-end=\"524\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"524\" data-end=\"527\"\u003e• High‑quality electrical components\u003cbr data-start=\"563\" data-end=\"566\"\u003e• Durable, heat‑resistant enclosure\u003cbr data-start=\"601\" data-end=\"604\"\u003e• Designed for secure wall‑ or panel‑mounting\u003c\/p\u003e\n\u003cp data-start=\"653\" data-end=\"951\"\u003e\u003cstrong data-start=\"653\" data-end=\"672\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"672\" data-end=\"675\"\u003e• Type: Fan speed controller \/ variable speed controller\u003cbr data-start=\"731\" data-end=\"734\"\u003e• Compatible with S\u0026amp;P fans (check model compatibility)\u003cbr data-start=\"788\" data-end=\"791\"\u003e• Adjustable output for fine airflow control\u003cbr data-start=\"835\" data-end=\"838\"\u003e• Suitable for single‑phase fans (model dependent)\u003cbr data-start=\"888\" data-end=\"891\"\u003e• Provides soft speed adjustment via dial or control input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Direct Duct Supplies","offers":[{"title":"REB-1","offer_id":57219754393925,"sku":null,"price":75.0,"currency_code":"GBP","in_stock":true},{"title":"REB-3","offer_id":57219754426693,"sku":null,"price":95.0,"currency_code":"GBP","in_stock":true},{"title":"REB-5","offer_id":57219754459461,"sku":null,"price":125.0,"currency_code":"GBP","in_stock":true},{"title":"REB-6","offer_id":57219754492229,"sku":null,"price":145.0,"currency_code":"GBP","in_stock":true},{"title":"REB-8","offer_id":57219754524997,"sku":null,"price":240.0,"currency_code":"GBP","in_stock":true},{"title":"REB-10","offer_id":57219754557765,"sku":null,"price":245.0,"currency_code":"GBP","in_stock":true},{"title":"REB-16","offer_id":57219754590533,"sku":null,"price":380.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/speed_controller_REB_1.jpg?v=1771760346"},{"product_id":"me1-6-fan-speed-controller-flakt-woods-ea901159","title":"Flakt Woods Speed Controller","description":"\u003cp data-start=\"54\" data-end=\"553\"\u003eThe \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eFläkt Woods\u003c\/span\u003e\u003c\/span\u003e Speed Controller is designed to provide precise control of axial and extractor fans in HVAC and ventilation systems. It enables smooth and energy-efficient adjustment of fan speeds, optimizing airflow according to system requirements. Compact and easy to install, this controller enhances fan performance, reduces energy consumption, and ensures reliable operation for commercial and industrial ventilation applications.\u003c\/p\u003e\n\u003cp data-start=\"555\" data-end=\"670\"\u003e\u003cstrong data-start=\"555\" data-end=\"568\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"568\" data-end=\"571\"\u003e• Durable electrical components\u003cbr data-start=\"602\" data-end=\"605\"\u003e• High-quality insulating casing\u003cbr data-start=\"637\" data-end=\"640\"\u003e• Corrosion-resistant finish\u003c\/p\u003e\n\u003cp data-start=\"672\" data-end=\"900\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"672\" data-end=\"691\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"691\" data-end=\"694\"\u003e• Type: Fan speed controller\u003cbr data-start=\"722\" data-end=\"725\"\u003e• Compatible with Fläkt Woods axial and extractor fans\u003cbr data-start=\"779\" data-end=\"782\"\u003e• Adjustable fan speed control\u003cbr data-start=\"812\" data-end=\"815\"\u003e• Energy-efficient operation\u003cbr data-start=\"843\" data-end=\"846\"\u003e• Easy to install in commercial and industrial systems\u003c\/p\u003e","brand":"Direct Duct Supplies","offers":[{"title":"ME 1.1 EA901157","offer_id":57219806069061,"sku":null,"price":49.95,"currency_code":"GBP","in_stock":true},{"title":"ME 1.6 EA901159","offer_id":57219806101829,"sku":null,"price":49.95,"currency_code":"GBP","in_stock":true},{"title":"ME 1.3 EA901158","offer_id":57219806134597,"sku":null,"price":49.95,"currency_code":"GBP","in_stock":true},{"title":"ME 1.12 EA901161","offer_id":57219806167365,"sku":null,"price":149.99,"currency_code":"GBP","in_stock":true},{"title":"ME 1.16 EA901162","offer_id":57219806200133,"sku":null,"price":230.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/ME1.1.png?v=1771760494"}],"url":"https:\/\/ddsgroup.co.uk\/collections\/speed-controllers-1.oembed","provider":"DDS GROUP","version":"1.0","type":"link"}