{"product_id":"three-phase-digital-auto-switch-motor-protection","title":"DEV-N 3 Phase Digital Auto Switch, 2–100 HP","description":"\u003cp\u003eVUKAR DEV-N is a three phase digital auto switch for 2–100 HP borewell, openwell or monoblock pump starter circuits. It combines a cyclic timer and digital display with configurable dry-run, overload, voltage, phase-loss and phase-sequence protection.\u003c\/p\u003e\n\u003ch2\u003eWho Should Choose DEV-N\u003c\/h2\u003e\n\u003cp\u003eChoose DEV-N when an existing compatible three phase contactor or Green ON\/Red OFF push-button starter panel needs automatic switching, timer control and motor protection. It is not a complete DOL power panel; have an electrician confirm wiring compatibility.\u003c\/p\u003e\n\u003ch2\u003eMain Functions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic motor start after healthy three-phase power returns\u003c\/li\u003e\n\u003cli\u003eCyclic timer for repeated ON\/OFF operation\u003c\/li\u003e\n\u003cli\u003eBorewell recharge delay after a dry-run stop\u003c\/li\u003e\n\u003cli\u003eConnection to a compatible contactor or push-button starter control circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProtection and Monitoring\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDigital display for voltage, current, timer and fault information\u003c\/li\u003e\n\u003cli\u003eConfigurable overload, dry-run, overvoltage and undervoltage protection\u003c\/li\u003e\n\u003cli\u003ePhase-loss prevention and R-Y-B phase-sequence detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeature Media\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/kFHw5S8mGUY\" title=\"DEV-N product video 1\" loading=\"lazy\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/tlBiI0DFV0w\" title=\"DEV-N product video 2\" loading=\"lazy\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarfullyautomaticoperation_480x480.jpg?v=1705664394\" alt=\"DEV-N Automatic operation\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarcyclictimer_480x480.jpg?v=1705663565\" alt=\"DEV-N Cyclic timer\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/FullyAutomaticOperation_480x480.png?v=1702726146\" alt=\"DEV-N Automatic operation\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarborewellrechargetimer_480x480.jpg?v=1705668214\" alt=\"DEV-N Dry-run restart delay\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/CyclicTimer_480x480.png?v=1702725327\" alt=\"DEV-N Cyclic timer\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarmotoroverloadprotection_480x480.jpg?v=1705663926\" alt=\"DEV-N Overload protection\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/BorewellRechargeTimer_480x480.png?v=1702728139\" alt=\"DEV-N Dry-run restart delay\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarmotordryrunprotection_480x480.jpg?v=1705663948\" alt=\"DEV-N Dry-run protection\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/MotorOverloadProtection_480x480.png?v=1702725421\" alt=\"DEV-N Overload protection\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarvoltageprotectionthreephase_480x480.jpg?v=1705674666\" alt=\"DEV-N vukarvoltageprotectionthreephase 480x480\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/MotorDryrunProtection_480x480.png?v=1702725563\" alt=\"DEV-N Dry-run protection\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukardigitaldisplaythreephase_480x480.jpg?v=1705674697\" alt=\"DEV-N Digital display\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/VoltageProtection_480x480.png?v=1702725599\" alt=\"DEV-N VoltageProtection 480x480\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarsinglephasepreventer_480x480.jpg?v=1705674353\" alt=\"DEV-N Phase-loss protection\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/ThreePhaseDigitalDisplay_480x480.png?v=1702731268\" alt=\"DEV-N Digital display\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarphasesequencedetector_480x480.jpg?v=1705674381\" alt=\"DEV-N vukarphasesequencedetector 480x480\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/SinglePhasePreventer_480x480.png?v=1702731328\" alt=\"DEV-N Phase-loss protection\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarcompitablestarterpanel_480x480.jpg?v=1705673113\" alt=\"DEV-N Starter-panel connection\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/PhaseSequenceDetector_480x480.png?v=1702731347\" alt=\"DEV-N PhaseSequenceDetector 480x480\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/CompitableStarterPanel_480x480.png?v=1702876565\" alt=\"DEV-N Starter-panel connection\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukartransformercoil_480x480.jpg?v=1705664082\" alt=\"DEV-N Transformer coil\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukar100_technicalsupport_10b528db-b21a-4439-906e-db238e15ce14_480x480.jpg?v=1705664645\" alt=\"DEV-N Technical support\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/UseOfTransformerCoil_480x480.png?v=1702725679\" alt=\"DEV-N Transformer coil\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarextendedwarrantyavailable_480x480.jpg?v=1705664265\" alt=\"DEV-N Warranty information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/100_TechnicalSupport_6a5ea42b-7793-44ff-802b-e544443426e1_480x480.png?v=1702725794\" alt=\"DEV-N Technical support\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/GE7aXaHqQNo\" title=\"DEV-N product video 28\" loading=\"lazy\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/ExtendedWarrantyAvailable_480x480.png?v=1702725853\" alt=\"DEV-N Warranty information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/vukarcustomerreview_480x480.jpg?v=1705668473\" alt=\"DEV-N Customer review graphic\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/nQI2jLT8ODg\" title=\"DEV-N product video 31\" loading=\"lazy\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Fit\u003c\/h2\u003e\n\u003cp\u003eConnect DEV-N to a compatible three phase contactor or push-button starter control circuit. Have a qualified electrician verify motor HP, contactor coil\/control voltage, R-Y-B phase sequence, current settings and protection thresholds against the supplied wiring guide.\u003c\/p\u003e\n\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\u003cp\u003eVerify the motor rating, wiring and supply conditions. Installation must be completed by a qualified electrician using the product wiring guide. Check the current \u003ca href=\"\/gu\/policies\/shipping-policy\"\u003eShipping Policy\u003c\/a\u003e, \u003ca href=\"\/gu\/policies\/refund-policy\"\u003eRefund Policy\u003c\/a\u003e and \u003ca href=\"\/gu\/pages\/contact\"\u003eContact page\u003c\/a\u003e for delivery, replacement\/return, warranty eligibility and support.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eIs DEV-N a complete motor starter panel?\u003c\/h3\u003e\u003cp\u003eNo. DEV-N is a digital auto switch intended for use with a compatible three phase starter or contactor control circuit.\u003c\/p\u003e\n\u003ch3\u003eIs DEV-N a water-level controller?\u003c\/h3\u003e\u003cp\u003eNo. This model focuses on automatic power-return operation, cyclic timing and motor protection. Compare dedicated water-level controllers when tank-level automation is required.\u003c\/p\u003e\n\u003ch2\u003eRelated Products and Comparisons\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/gu\/products\/digital-auto-switch-cyclic-timer\"\u003eCompare digital auto switch models\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/gu\/collections\/three-phase-auto-switch\"\u003eBrowse three phase auto switches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/gu\/pages\/digital-meter-comparison\"\u003eCompare motor-protection devices and digital meters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/gu\/pages\/three-phase-dol-starter-panel-comparison\"\u003eCompare three phase starter panels\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/gu\/pages\/compare-motor-starter-panel\"\u003eCompare the full motor-starter range and prices\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VUKAR","offers":[{"title":"Default Title","offer_id":44747941019954,"sku":"DEV-N","price":2099.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/9129\/0418\/files\/threephasedryrunprotectiondevice_313af321-9b3f-42a6-bd90-a4db8f3362b1.png?v=1762611937","url":"https:\/\/submersibleshop.com\/gu\/products\/three-phase-digital-auto-switch-motor-protection","provider":"VUKAR","version":"1.0","type":"link"}