{"title":"Industrial Fan Controllers","description":"\u003cp\u003eOverly loud fans? Wasted energy? \u003cstrong data-end=\"63\" data-start=\"33\"\u003eIndustrial Fan Controllers\u003c\/strong\u003e put you back in control of airflow, noise and running costs. Designed to work seamlessly with \u003ca href=\"https:\/\/www.efans.co.uk\/collections\/extractor-fans\"\u003e\u003cstrong data-end=\"176\" data-start=\"158\"\u003eExtractor Fans\u003c\/strong\u003e\u003c\/a\u003e, they let you fine-tune performance in demanding environments—delivering smoother operation, safer systems and ventilation that works exactly how you need it to.\u003c\/p\u003e\n\u003cp data-end=\"379\" data-start=\"73\"\u003e\u003ca href=\"https:\/\/www.efans.co.uk\/collections\/controls-and-sensors\"\u003e\u003cstrong\u003eIndustrial Fan Controllers\u003c\/strong\u003e\u003c\/a\u003e give you precise control over airflow, noise levels and energy use in demanding environments. Whether you’re fine-tuning ventilation in a factory or managing airflow from large \u003cstrong data-end=\"295\" data-start=\"277\"\u003eExtractor Fans\u003c\/strong\u003e, the right controller makes day-to-day operation safer, quieter and more efficient.\u003c\/p\u003e\n\u003cp data-end=\"576\" data-start=\"381\"\u003eDesigned for reliability and higher electrical loads, these controllers are built specifically for commercial and industrial ventilation systems—where consumer-grade options simply aren’t enough.\u003c\/p\u003e\n\u003cp data-end=\"576\" data-start=\"381\"\u003e\u003cimg alt=\"Systemair REE Speed Controller 1.0 Amp 5314\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/REE_Speed_Controller.jpg?v=1652811487\"\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"646\" data-start=\"583\"\u003eHigh-Capacity 230V and 240V Industrial Fan Speed Controllers\u003c\/h2\u003e\n\u003cp data-end=\"790\" data-start=\"648\"\u003eIndustrial environments require controllers that can handle sustained loads, frequent adjustments and continuous operation without compromise.\u003c\/p\u003e\n\u003ch3 data-end=\"857\" data-start=\"792\"\u003e230V Fan Speed Controllers for Single-Phase Industrial Motors\u003c\/h3\u003e\n\u003cp data-end=\"1097\" data-start=\"859\"\u003eA \u003ca href=\"https:\/\/www.efans.co.uk\/collections\/controls-and-sensors\/type_speed-controller\"\u003e230V fan speed controller\u003c\/a\u003e is commonly used with single-phase industrial motors found in workshops, kitchens and plant rooms. These controllers allow smooth adjustment of fan speed, helping reduce energy consumption and unnecessary wear.\u003c\/p\u003e\n\u003cp data-end=\"1180\" data-start=\"1099\"\u003eThey’re ideal where precise airflow control is needed without complex automation.\u003c\/p\u003e\n\u003ch3 data-end=\"1251\" data-start=\"1182\"\u003eHeavy-Duty 240V Controllers for Warehouse and Factory Ventilation\u003c\/h3\u003e\n\u003cp data-end=\"1498\" data-start=\"1253\"\u003eFor larger systems, a 240V fan speed controller offers the capacity needed to manage high-powered ventilation in warehouses and factories. Built with robust components, these units are designed for higher amperage loads and long operating hours.\u003c\/p\u003e\n\u003cp data-end=\"1595\" data-start=\"1500\"\u003eThis makes them far more suitable than light-duty retail alternatives when reliability matters.\u003c\/p\u003e\n\u003ch3 data-end=\"1662\" data-start=\"1597\"\u003eVariable Fan Speed Controller 12V for Specialist DC Equipment\u003c\/h3\u003e\n\u003cp data-end=\"1830\" data-start=\"1664\"\u003eSome applications call for low-voltage control. A variable fan speed controller 12V is typically used with specialist DC equipment, control panels or bespoke systems.\u003c\/p\u003e\n\u003cp data-end=\"1931\" data-start=\"1832\"\u003eThese controllers provide accurate speed regulation where mains voltage options aren’t appropriate.\u003c\/p\u003e\n\u003ch2 data-end=\"1986\" data-start=\"1938\"\u003eTechnical Installation and Selection Guidance\u003c\/h2\u003e\n\u003cp data-end=\"2073\" data-start=\"1988\"\u003eCorrect installation and specification are essential for safe, long-term performance.\u003c\/p\u003e\n\u003ch3 data-end=\"2137\" data-start=\"2075\"\u003eIndustrial Fan Speed Controller Wiring Diagrams and Safety\u003c\/h3\u003e\n\u003cp data-end=\"2336\" data-start=\"2139\"\u003eAn industrial fan speed controller wiring diagram is a critical part of installation. Correct wiring ensures safe operation, prevents overheating and protects both the controller and the fan motor.\u003c\/p\u003e\n\u003cp data-end=\"2458\" data-start=\"2338\"\u003eAlways match the controller to the motor type, voltage and current rating, and follow professional electrical standards.\u003c\/p\u003e\n\u003ch3 data-end=\"2542\" data-start=\"2460\"\u003eProfessional Grade vs. Retail: Why Choose Industrial Controllers Over Screwfix\u003c\/h3\u003e\n\u003cp data-end=\"2723\" data-start=\"2544\"\u003eIt’s tempting to compare industrial units with options like a fan speed controller Screwfix might stock. However, retail controllers are usually designed for light domestic loads.\u003c\/p\u003e\n\u003cp data-end=\"2893\" data-start=\"2725\"\u003eIndustrial fan controllers offer higher current ratings, better heat dissipation and greater durability—making them the safer, longer-lasting choice for commercial use.\u003c\/p\u003e\n\u003cp data-end=\"2893\" data-start=\"2725\"\u003e\u003cimg alt=\"S\u0026amp;P REB-1 230V 50\/60HZ Single Phase Speed Controller - eFans Direct Ltd\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/REB-1.jpg?v=1713550659\"\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"2948\" data-start=\"2900\"\u003eChoosing the Right Controller for Your System\u003c\/h2\u003e\n\u003cp data-end=\"3058\" data-start=\"2950\"\u003eNot all fan controllers are created equal. Choosing correctly avoids poor performance and premature failure.\u003c\/p\u003e\n\u003ch3 data-end=\"3141\" data-start=\"3060\"\u003eIndustrial vs. PC Fan Controllers: Understanding Load and Voltage Differences\u003c\/h3\u003e\n\u003cp data-end=\"3286\" data-start=\"3143\"\u003eYou may have seen questions like “what is a fan controller PC?” PC fan controllers are designed for very low-voltage, low-current applications.\u003c\/p\u003e\n\u003cp data-end=\"3446\" data-start=\"3288\"\u003eIndustrial fan controllers, by contrast, are built to handle significantly higher loads and voltages, making them suitable for real-world ventilation systems.\u003c\/p\u003e\n\u003ch3 data-end=\"3508\" data-start=\"3448\"\u003eMatching Amperage and Motor Type for Optimal Performance\u003c\/h3\u003e\n\u003cp data-end=\"3656\" data-start=\"3510\"\u003eAlways match the controller’s amperage rating to the fan motor. Undersizing leads to overheating and failure; oversizing reduces control accuracy.\u003c\/p\u003e\n\u003cp data-end=\"3760\" data-start=\"3658\"\u003eConsidering motor type, voltage and duty cycle ensures smooth speed control and long-term reliability.\u003c\/p\u003e\n\u003ch2 data-end=\"3774\" data-start=\"3767\"\u003eFAQs\u003c\/h2\u003e\n\u003cp data-end=\"3873\" data-start=\"3776\"\u003e\u003cstrong data-end=\"3818\" data-start=\"3776\"\u003eWhat is a fan speed controller called?\u003c\/strong\u003e\u003cbr data-end=\"3821\" data-start=\"3818\"\u003eA fan speed controller or variable speed controller.\u003c\/p\u003e\n\u003cp data-end=\"3959\" data-start=\"3875\"\u003e\u003cstrong data-end=\"3912\" data-start=\"3875\"\u003eAre fan controllers worth buying?\u003c\/strong\u003e\u003cbr data-end=\"3915\" data-start=\"3912\"\u003eYes, for energy savings and airflow control.\u003c\/p\u003e\n\u003cp data-end=\"4090\" data-start=\"3961\"\u003e\u003cstrong data-end=\"4032\" data-start=\"3961\"\u003eWhat is the difference between an industrial fan and a regular fan?\u003c\/strong\u003e\u003cbr data-end=\"4035\" data-start=\"4032\"\u003eIndustrial fans handle higher loads and continuous use.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"4185\" data-start=\"4092\"\u003e\u003cstrong data-end=\"4134\" data-start=\"4092\"\u003eHow do I control the speed of the fan?\u003c\/strong\u003e\u003cbr data-end=\"4137\" data-start=\"4134\"\u003eBy installing a compatible fan speed controller.\u003c\/p\u003e","products":[{"product_id":"systemair-itr-speed-controller-1-5-amp-for-ac-fans","title":"Systemair ITR Speed Controller 1.5 Amp - For AC Fans","description":"\u003cp\u003eThe Systemair ITR Speed Controller is a single phase electronic speed controller rated at 1.5 Amp for AC fans. The ITR series controls voltage-controllable motors on 110 to 240V AC, 50 to 60Hz supplies.\u003c\/p\u003e\u003cp\u003eIt features automatic power supply detection, minimum speed setting via an internal trimmer and potentiometer regulated stepless control. An unregulated output supports three-wire motor, valve, lamp or damper connections, with a choice of kick or soft start.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStepless control regulated by potentiometer\u003c\/li\u003e\n\u003cli\u003eAutomatic power supply detection\u003c\/li\u003e\n\u003cli\u003eKick or soft start with three-wire unregulated output\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpeed control of compatible single phase AC fans up to 1.5 Amp\u003c\/li\u003e\n\u003cli\u003eThree-wire motor, valve, lamp or damper installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eITR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic speed controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFor AC fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110-240V AC 50-60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStart\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKick or soft start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStepless via potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_ITR_Speed_Controller_Datasheet.PDF?v=1620433243\" target=\"_blank\"\u003eSystemair ITR Speed Controller Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":35085829832860,"sku":"161166","price":113.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/systemair_1.5_amp_controller.jpg?v=1708019389"},{"product_id":"systemair-itr-speed-controller-3-amp-for-ac-fans","title":"Systemair ITR Speed Controller 3 Amp - For AC Fans","description":"\u003cp\u003eThe Systemair ITR Speed Controller is a single phase electronic speed controller rated at 3 Amp for AC fans. The ITR series controls voltage-controllable motors on 110 to 240V AC, 50 to 60Hz supplies.\u003c\/p\u003e\u003cp\u003eIt features automatic power supply detection, minimum speed setting via an internal trimmer and potentiometer regulated stepless control. An unregulated output supports three-wire motor, valve, lamp or damper connections, with a choice of kick or soft start.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStepless control regulated by potentiometer\u003c\/li\u003e\n\u003cli\u003eAutomatic power supply detection\u003c\/li\u003e\n\u003cli\u003eKick or soft start with three-wire unregulated output\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpeed control of compatible single phase AC fans up to 3 Amp\u003c\/li\u003e\n\u003cli\u003eThree-wire motor, valve, lamp or damper installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eITR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic speed controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFor AC fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110-240V AC 50-60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStart\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKick or soft start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStepless via potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_ITR_Speed_Controller_Datasheet.PDF?v=1620433243\" target=\"_blank\"\u003eSystemair ITR Speed Controller Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":35085848412316,"sku":"161167","price":113.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/s-l1600_1b4ebefc-d026-4c81-a398-36c72ddb78cb.jpg?v=1620427121"},{"product_id":"systemair-itr-speed-controller-5-amp-for-ac-fans","title":"Systemair ITR Speed Controller 5 Amp - For AC Fans","description":"\u003cp\u003eThe Systemair ITR Speed Controller 5 Amp is an electronic speed controller for the manual control of speed and airflow of single phase voltage-controllable AC fan motors. It varies the supplied voltage across a 110-240V AC 50-60Hz range, with automatic power supply detection and a 5 Amp rating.\u003c\/p\u003e\u003cp\u003eOutput is set by a potentiometer from the minimum voltage up to the supply voltage, with kick start or soft start selectable on the PCB and an illuminated on\/off switch.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e5 Amp\u003c\/li\u003e\n\u003cli\u003eElectronic speed controller\u003c\/li\u003e\n\u003cli\u003eSingle phase\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSingle phase AC fan motors up to 5 Amp\u003c\/li\u003e\n\u003cli\u003eVoltage-controllable fans requiring stepless control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eITR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic speed controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110-240V AC 50-60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStart\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKick or soft start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStepless via potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_ITR_Speed_Controller_Datasheet.PDF?v=1620433243\" target=\"_blank\"\u003eSystemair ITR Speed Controller Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":35085863026844,"sku":"161168","price":119.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/s-l1600_1c4ab8de-3fbe-439f-a1ff-2e0e20850569.jpg?v=1620427121"},{"product_id":"systemair-itr-speed-controller-10-amp-for-ac-fans","title":"Systemair ITR Speed Controller 10 Amp - For AC Fans","description":"\u003cp\u003eThe Systemair ITR Speed Controller 10 Amp is an electronic speed controller for the manual control of speed and airflow of single phase voltage-controllable AC fan motors. It varies the supplied voltage across a 110-240V AC 50-60Hz range, with automatic power supply detection and a 10 Amp rating.\u003c\/p\u003e\u003cp\u003eOutput is set by a potentiometer from the minimum voltage up to the supply voltage, with kick start or soft start selectable on the PCB and an illuminated on\/off switch.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e10 Amp\u003c\/li\u003e\n\u003cli\u003eElectronic speed controller\u003c\/li\u003e\n\u003cli\u003eSingle phase\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSingle phase AC fan motors up to 10 Amp\u003c\/li\u003e\n\u003cli\u003eVoltage-controllable fans requiring stepless control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eITR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic speed controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110-240V AC 50-60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStart\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKick or soft start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStepless via potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_ITR_Speed_Controller_Datasheet.PDF?v=1620433243\" target=\"_blank\"\u003eSystemair ITR Speed Controller Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":35085870104732,"sku":"161169","price":208.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/s-l1600_a587d960-2af5-4d82-bead-35f14671c851.jpg?v=1620427121"},{"product_id":"elta-electronic-speed-controller-149-el31-3-amp","title":"Elta Electronic Speed Controller 149-EL31 3 Amp","description":"\u003cp\u003eThe Elta 149-EL31 is a single phase electronic speed controller rated at 3 Amp. Part of the 149 series, it controls voltage-controllable motors on 110 to 240V AC, 50 to 60Hz supplies by varying the supplied voltage.\u003c\/p\u003e\u003cp\u003eIt offers automatic power supply detection, stepless control and a minimum speed trimmer with min\/max preset. The IP51 enclosure suits ambient temperatures up to 40C, with a fitted motor protection fuse and two or three wire control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStepless control with min\/max preset\u003c\/li\u003e\n\u003cli\u003eAutomatic power supply detection\u003c\/li\u003e\n\u003cli\u003eIP51 enclosure with fitted motor protection fuse\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpeed control of compatible single phase AC fans up to 3 Amp\u003c\/li\u003e\n\u003cli\u003eTwo or three wire installations up to 40C ambient\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e149-EL31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic speed controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFor AC fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110-240V AC 50-60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStepless with min\/max preset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Elta","offers":[{"title":"Default Title","offer_id":45667481452865,"sku":"149-EL31","price":107.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/elta-speed-controller-149-el31.jpg?v=1752747799"},{"product_id":"elta-aco-auto-changeover-panel-three-phase-ac","title":"Elta ACO Auto Changeover Panel Three Phase AC","description":"\u003cp\u003eThe Elta ACO Auto Changeover Panel is a run and standby control panel for three phase AC fans. It automatically changes over to the standby fan on fan failure to maintain ventilation.\u003c\/p\u003e\u003cp\u003eIt offers a duty share option, a remote enable option, and a volt free contact fail indication option.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRun and standby\u003c\/li\u003e\n\u003cli\u003eAuto changeover panel\u003c\/li\u003e\n\u003cli\u003eThree phase\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRun and standby control of three phase AC fans\u003c\/li\u003e\n\u003cli\u003eInstallations requiring automatic changeover on fan failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eElta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eAuto changeover panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003eThree phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Type\u003c\/td\u003e\n\u003ctd\u003eFor AC fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eRun and standby\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuty Share\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Enable\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFail Indication\u003c\/td\u003e\n\u003ctd\u003eVolt free contact (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Elta_Auto_Changeover_Panel_Three_Phase_AC_Installation.pdf?v=1711577595\" target=\"_blank\"\u003eElta ACO Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Elta","offers":[{"title":"Default Title","offer_id":48090246447425,"sku":"149-ACO3\/B","price":571.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/149-ACO3-B.jpg?v=1711577421"},{"product_id":"elta-electronic-speed-controller-149-el61-6-amp","title":"Elta Electronic Speed Controller 149-EL61 6 Amp","description":"\u003cp\u003eThe Elta Electronic Speed Controller 149-EL61 is a 6 Amp single phase speed controller for AC fans, part of the Elta 149 series. It operates on 110-240V AC 50-60Hz with automatic power supply detection.\u003c\/p\u003e\u003cp\u003eIt provides stepless speed control with the minimum speed set via a trimmer, min and max presets, a fitted motor protection fuse, and rated to IP51 for operation up to 40C using two or three wire connection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e6 Amp\u003c\/li\u003e\n\u003cli\u003eElectronic speed controller\u003c\/li\u003e\n\u003cli\u003eSingle phase\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpeed control of single phase AC fans\u003c\/li\u003e\n\u003cli\u003eInstallations needing stepless min and max speed presets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eElta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e149-EL61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eElectronic speed controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e6 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Type\u003c\/td\u003e\n\u003ctd\u003eFor AC fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e110-240V AC 50-60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eIP51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003eUp to 40C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Elta_Electronic_Speed_Controller_149-EL61_6_Amp_Datasheet.pdf?v=1713557221\" target=\"_blank\"\u003eElta 149-EL61 Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Elta","offers":[{"title":"Default Title","offer_id":48420075307329,"sku":"149-EL61","price":157.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/149-EL61.jpg?v=1713556989"},{"product_id":"elta-electronic-speed-controller-149-el31tk-3-amp","title":"Elta Electronic Speed Controller 149-EL31TK 3 Amp","description":"\u003cp\u003eThe Elta 149-EL31TK is a single phase electronic speed controller rated at 3 Amp for AC fans. Part of the 149 series, it controls voltage-controllable motors on 110 to 240V AC, 50 to 60Hz supplies by varying the supplied voltage.\u003c\/p\u003e\u003cp\u003eIt offers automatic power supply detection, stepless control and a minimum speed trimmer with min\/max preset. TK versions add motor protection via a motor thermal contact. The IP51 enclosure suits ambient temperatures up to 40C, with a fitted motor protection fuse and two or three wire control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTK motor protection via thermal contact\u003c\/li\u003e\n\u003cli\u003eStepless control with min\/max preset\u003c\/li\u003e\n\u003cli\u003eAutomatic power supply detection and IP51 enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpeed control of compatible single phase AC fans up to 3 Amp\u003c\/li\u003e\n\u003cli\u003eInstallations needing motor thermal contact protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e149-EL31TK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic speed controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFor AC fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110-240V AC 50-60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTK thermal contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Elta_AC_Electronic_Controller_Datasheet.pdf?v=1689689975\" target=\"_blank\"\u003eElta 149-EL31TK Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Elta","offers":[{"title":"Default Title","offer_id":55622602391931,"sku":"149-EL31TK","price":113.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/ac_controller_01.png?v=1689689695"}],"url":"https:\/\/www.efans.co.uk\/collections\/industrial-fan-controllers.oembed","provider":"eFans Direct Ltd","version":"1.0","type":"link"}