{"product_id":"kb-electronics-solid-state-variable-speed-motor-control-compact-4x4","title":"KB Electronics Solid State Variable Speed Motor Control - Compact 4x4","description":"\u003cp\u003eOur review of the KB Electronics solid state variable speed control finds it best suited for anyone needing dependable, simple speed adjustment for small AC motors. Designed to fit a standard 4' x 4' electrical wall box, this control provides smooth, infinite speed variation for shaded pole and PSC motors at up to 10.0 max amps and 115 V, making it an obvious pick for kitchen exhaust fans, radon fans, attic ventilators and fireplace blowers. The single biggest reason to buy is straightforward, rugged control with easy installation and reliable speed adjustment under normal motor load.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard wall box fit:\u003c\/strong\u003e Installs in a common 4' x 4' electrical wall box so it integrates cleanly into existing wiring and mounting points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10.0 max amps at 115 V:\u003c\/strong\u003e Provides strong capacity for small to medium PSC and shaded pole motors when the motor nameplate amperage does not exceed this rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL and CSA approved:\u003c\/strong\u003e Meets recognized safety approvals for peace of mind in residential and light commercial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfinite variable speed control:\u003c\/strong\u003e Lets users precisely set motor speed to balance airflow and noise for fans, blowers, and ventilators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-drive cooling requirement:\u003c\/strong\u003e Requires the motor to run with a fan blade installed so the motor is cooled during operation, protecting both motor and control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple wiring:\u003c\/strong\u003e The control uses straightforward connections that most DIYers and installers will find quick to wire.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis control is ideal for homeowners, HVAC hobbyists, and maintenance technicians who need a compact, reliable speed controller for shaded pole or PSC motors used in kitchen exhaust fans, radon fans, humidifiers, attic fans and fireplace blowers. Its compact 4' x 4' mounting and simple wiring make it attractive for retrofit jobs or new installs where space is limited.\u003c\/p\u003e\n\u003cp\u003eIt is not for users with capacitor start or capacitor run motors, gear motors, or installations where the motor nameplate amperage exceeds 10.0 amps. If a motor may stall or run without its fan blade attached, choose a different control or ensure the motor has adequate torque and cooling before using this unit.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWorks well for speed control on kitchen exhaust and radon fans, giving fine adjustment of airflow.\u003c\/li\u003e\n\u003cli\u003eEasy to install in a 4' x 4' wall box with simple wiring for most applications.\u003c\/li\u003e\n\u003cli\u003eRecognized safety approvals (UL \u0026amp; CSA) add confidence for home and light commercial use.\u003c\/li\u003e\n\u003cli\u003eGood value for money with durable construction and dependable operation under correct use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCannot be used with capacitor start\/run motors or gear motors, limiting its applicability.\u003c\/li\u003e\n\u003cli\u003eMotor must run with sufficient torque and a fan blade installed to avoid overheating, so it is not suitable for stalled or unloaded motor setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKB ELECTRONICS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eK177-1010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Amps\u003c\/td\u003e\n\u003ctd\u003e10.0 amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e115 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eStandard 4' x 4' electrical wall box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproved Standards\u003c\/td\u003e\n\u003ctd\u003eUL \u0026amp; CSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Types\u003c\/td\u003e\n\u003ctd\u003eShaded pole and PSC motors only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe KB Electronics solid state controller is a practical, cost-effective choice for anyone needing precise speed control of shaded pole and PSC motors in fans and blowers. Its compact 4' x 4' fit, simple wiring, and safety approvals make it good value for retrofit and new installations, provided the motor matches the 10.0 amp limit and has a fan blade for cooling.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this control be used with capacitor start motors?\u003c\/strong\u003e\u003cbr\u003eThis control must not be used with capacitor start or capacitor run motors; it is specifically for shaded pole and PSC motor types.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum motor amperage allowed?\u003c\/strong\u003e\u003cbr\u003eThe control is rated for a maximum of 10.0 amps at 115 V; do not exceed the motor nameplate amperage or damage may occur.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the motor need a fan blade installed?\u003c\/strong\u003e\u003cbr\u003eYes, the motor must have a fan blade installed for direct-drive cooling; a motor running without its blade risks overheating and failure.\u003c\/p\u003e","brand":"KB ELECTRONICS","offers":[{"title":"Default Title","offer_id":48665990562011,"sku":"B000F9B71C","price":47.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/611lHBEsCdS._SL1200.jpg?v=1778664099","url":"https:\/\/gearmusthave.com\/products\/kb-electronics-solid-state-variable-speed-motor-control-compact-4x4","provider":"GearMustHave","version":"1.0","type":"link"}