{"title":"HVAC Controllers \u0026 Speed Regulators","description":"\u003cp\u003eFans roaring when they don’t need to? Airflow all or nothing? \u003cstrong data-end=\"101\" data-start=\"62\"\u003eHVAC Controllers \u0026amp; Speed Regulators\u003c\/strong\u003e put you back in control. Designed to fine-tune \u003ca href=\"https:\/\/www.efans.co.uk\/collections\/extractor-fans\"\u003e\u003cstrong data-end=\"167\" data-start=\"149\"\u003eExtractor Fans\u003c\/strong\u003e\u003c\/a\u003e, they help balance comfort, noise, and energy use—so your ventilation system works smarter, not harder.\u003c\/p\u003e\n\u003cp data-end=\"361\" data-start=\"42\"\u003ePrecise airflow control is essential for efficient ventilation. \u003ca href=\"https:\/\/www.efans.co.uk\/collections\/elta-controllers\"\u003e\u003cstrong data-end=\"145\" data-start=\"106\"\u003eHVAC Controllers \u0026amp; Speed Regulators\u003c\/strong\u003e\u003c\/a\u003e give you that control, allowing \u003cstrong data-end=\"196\" data-start=\"178\"\u003eExtractor Fans\u003c\/strong\u003e to run only as hard as they need to. The result? Better comfort, lower energy use, reduced noise, and longer fan life across commercial and industrial environments.\u003c\/p\u003e\n\u003ch2 data-end=\"439\" data-start=\"368\"\u003eHigh-Performance Fan Speed Controllers for Commercial Extraction\u003c\/h2\u003e\n\u003cp data-end=\"695\" data-start=\"441\"\u003eFan speed controllers are a simple but powerful way to fine-tune ventilation systems. Instead of running fans at full speed constantly, controllers allow you to match airflow to demand—ideal for kitchens, plant rooms, workshops, and commercial buildings.\u003c\/p\u003e\n\u003cp data-end=\"873\" data-start=\"697\"\u003eFrom compact wall-mounted units to heavy-duty control panels, HVAC Controllers \u0026amp; Speed Regulators help create stable, efficient airflow without unnecessary strain on equipment.\u003c\/p\u003e\n\u003ch3 data-end=\"929\" data-start=\"875\"\u003eSingle-Phase 230v \u0026amp; 240v Fan Speed Controllers\u003c\/h3\u003e\n\u003cp data-end=\"1152\" data-start=\"931\"\u003e\u003ca href=\"https:\/\/www.efans.co.uk\/collections\/axial-fans\"\u003e\u003cstrong\u003eSingle-phase 230v fan speed controller\u003c\/strong\u003e\u003c\/a\u003e and variable fan speed controller 240v options are widely used in commercial settings. They’re compatible with many AC extractor fans and are easy to integrate into existing systems.\u003c\/p\u003e\n\u003cp data-end=\"1349\" data-start=\"1154\"\u003eThese controllers are a practical alternative to entry-level options such as a fan speed controller Screwfix users might consider, offering more robust performance for trade and professional use.\u003c\/p\u003e\n\u003ch3 data-end=\"1423\" data-start=\"1351\"\u003eVariable AC Fan Speed Controllers for Precise Airflow Management\u003c\/h3\u003e\n\u003cp data-end=\"1642\" data-start=\"1425\"\u003eAn AC fan speed controller allows smooth, adjustable control over airflow levels. This is particularly useful where ventilation demand changes throughout the day, such as in commercial kitchens or occupied workspaces.\u003c\/p\u003e\n\u003cp data-end=\"1725\" data-start=\"1644\"\u003eVariable control helps reduce noise, improve comfort, and avoid over-ventilation.\u003c\/p\u003e\n\u003ch3 data-end=\"1794\" data-start=\"1727\"\u003eIndustrial Fan Speed Controllers for Heavy-Duty Ventilation\u003c\/h3\u003e\n\u003cp data-end=\"1993\" data-start=\"1796\"\u003eIndustrial fan speed controller units are built for higher loads and continuous operation. They’re commonly used with large extractor systems, industrial fans, and high-capacity ventilation setups.\u003c\/p\u003e\n\u003cp data-end=\"2089\" data-start=\"1995\"\u003eThese controllers are designed to handle demanding environments where reliability is critical.\u003c\/p\u003e\n\u003ch2 data-end=\"2154\" data-start=\"2096\"\u003eIntelligent HVAC Controllers and Automation Modules\u003c\/h2\u003e\n\u003cp data-end=\"2368\" data-start=\"2156\"\u003eBeyond manual adjustment, intelligent HVAC controllers introduce automation and system-wide efficiency. They can respond to temperature, occupancy, or air quality inputs to optimise fan performance automatically.\u003c\/p\u003e\n\u003cp data-end=\"2460\" data-start=\"2370\"\u003eThis level of control is especially valuable in larger or compliance-driven installations.\u003c\/p\u003e\n\u003ch3 data-end=\"2518\" data-start=\"2462\"\u003e0-10V Manual and Digital Controllers for EC Fans\u003c\/h3\u003e\n\u003cp data-end=\"2706\" data-start=\"2520\"\u003eModern EC fans often use 0-10V controllers for precise speed regulation. These controllers can be manual or digital, allowing accurate airflow control while maximising energy efficiency.\u003c\/p\u003e\n\u003cp data-end=\"2814\" data-start=\"2708\"\u003eThey’re a popular choice in modern HVAC systems where performance and running costs are closely monitored.\u003c\/p\u003e\n\u003ch3 data-end=\"2888\" data-start=\"2816\"\u003eCommercial Extractor Fan Speed Controller Selection for UK Trade\u003c\/h3\u003e\n\u003cp data-end=\"3120\" data-start=\"2890\"\u003eChoosing the right commercial extractor fan speed controller means checking voltage, fan type (AC or EC), current rating, and control method. UK trade installations must also consider safety, compliance, and long-term reliability.\u003c\/p\u003e\n\u003cp data-end=\"3226\" data-start=\"3122\"\u003eCorrect specification ensures smoother operation, fewer failures, and better overall system performance.\u003c\/p\u003e\n\u003ch2 data-end=\"3240\" data-start=\"3233\"\u003eFAQs\u003c\/h2\u003e\n\u003cp data-end=\"3364\" data-start=\"3242\"\u003e\u003cstrong data-end=\"3305\" data-start=\"3242\"\u003eWhat is the role of a controller in an HVAC control system?\u003c\/strong\u003e\u003cbr data-end=\"3308\" data-start=\"3305\"\u003eTo regulate airflow, temperature, and system efficiency.\u003c\/p\u003e\n\u003cp data-end=\"3441\" data-start=\"3366\"\u003e\u003cstrong data-end=\"3400\" data-start=\"3366\"\u003eWhat is a fan speed regulator?\u003c\/strong\u003e\u003cbr data-end=\"3403\" data-start=\"3400\"\u003eA device that adjusts fan motor speed.\u003c\/p\u003e\n\u003cp data-end=\"3553\" data-start=\"3443\"\u003e\u003cstrong data-end=\"3493\" data-start=\"3443\"\u003eWhat are the different types of HVAC controls?\u003c\/strong\u003e\u003cbr data-end=\"3496\" data-start=\"3493\"\u003eManual, digital, programmable, and sensor-based controls.\u003c\/p\u003e\n\u003cp data-end=\"3642\" data-start=\"3555\"\u003e\u003cstrong data-end=\"3598\" data-start=\"3555\"\u003eWhat should I set my HVAC fan speed to?\u003c\/strong\u003e\u003cbr data-end=\"3601\" data-start=\"3598\"\u003eHigh enough for airflow needs, no higher.\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-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\/hvac-controllers-speed-regulators.oembed","provider":"eFans Direct Ltd","version":"1.0","type":"link"}