{"product_id":"schneider-harmony-modular-3-phase-supply-control-relay-8a-2co-183-528vac-rm","title":"Schneider RM22TG20 3-Phase Monitoring Relay","description":"\u003ch3\u003eSchneider RM22TG20 3-Phase Monitoring Relay, RM22TR33 Phase Loss\/Over\/Under Voltage, RM22LG11MR Liquid Level Control Relay, 208-480VAC\u003c\/h3\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe \u003cstrong\u003eSchneider RM17\/RM22 Series Harmony Control Relays\u003c\/strong\u003e are compact, DIN rail-mountable monitoring relays designed for industrial power system protection and control. These relays provide reliable monitoring of 3-phase voltage, phase sequence, phase loss, over\/under voltage, and liquid levels, ensuring stable operation of motors, pumps, and other critical equipment.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eCore Features by Model\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\"\u003ePrimary Functions\u003c\/th\u003e\n\u003cth align=\"left\"\u003eVoltage Range\u003c\/th\u003e\n\u003cth align=\"left\"\u003eKey Features\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eRM22TG20\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e3-phase monitoring (phase sequence, phase loss)\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e208-480V AC\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSimple, cost-effective phase monitoring, 2CO 8A contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eRM22TR33\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e3-phase phase loss, over\/under voltage monitoring\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e380-480V AC\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAdjustable voltage thresholds, phase unbalance detection, 2CO 8A contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eRM22LG11MR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eLiquid level control relay\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e24-240V AC\/DC\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUniversal voltage input, automatic level control for pumps\/tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eRM17TG00\/RM17TG20\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e3-phase monitoring (phase sequence, phase loss)\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e208-480V AC\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eCompact design, basic phase protection for light-duty applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e Common Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Mounting\u003c\/strong\u003e: Compact form factor (RM22 series) and ultra-compact design (RM17 series) for easy installation in control cabinets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Settings\u003c\/strong\u003e: Most models include potentiometers for setting voltage thresholds, unbalance levels, and time delays (0.1-30s).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus LEDs\u003c\/strong\u003e: Visual indication of power, output status, and fault conditions (phase loss, over\/under voltage) for quick troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Button\u003c\/strong\u003e: Test function to simulate fault conditions and verify relay operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range\u003c\/strong\u003e: Suitable for global industrial power grids, with models covering 200-480V AC and 24-240V AC\/DC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMotor phase sequence protection (prevent reverse rotation)\u003c\/li\u003e\n\u003cli\u003ePhase loss and voltage anomaly protection for pumps, compressors, and industrial machinery\u003c\/li\u003e\n\u003cli\u003eLiquid level control for water tanks, sewage systems, and chemical processing\u003c\/li\u003e\n\u003cli\u003eEmergency power switching and power quality monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDATA SHEET\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eITEM\u003c\/th\u003e\n\u003cth align=\"left\"\u003eVALUE\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eMonitoring Relay \/ Control Relay \/ Phase Sequence Relay \/ Liquid Level Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRM17 Series \/ RM22 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRM22TG20, RM22TR33, RM22LG11MR, RM17TG00, RM17TG20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eFunctions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003ePhase Sequence Monitoring, Phase Loss Detection, Over\/Under Voltage Protection, Liquid Level Control, Phase Unbalance Detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e208-480V AC (RM22TG20\/TR33, RM17TG00\/TG20), 24-240V AC\/DC (RM22LG11MR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOutput Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2CO (Changeover), 8A rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDIN Rail Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAdjustable Settings, Status LEDs, Diagnostic Test Button, Compact Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eMotor Protection, Pump Control, Power Quality Monitoring, Industrial Automation, Liquid Level Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"208-480VAC (phase sequence phase loss)","offer_id":50360488100033,"sku":"RM22TG20\/ 208-480VAC 3-phase monitoring (phase sequence phase loss)","price":277.0,"currency_code":"AED","in_stock":true},{"title":"380-480VAC (over\/under voltage 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loss)","price":444.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/0872\/2881\/files\/imageye___-_imgi_8_O1CN01TABW4V22y9zM3T8DR__2701467188_jpg_q50_jpg.jpg?v=1776830236","url":"https:\/\/www.electric-b2c.com\/en-ae\/products\/schneider-harmony-modular-3-phase-supply-control-relay-8a-2co-183-528vac-rm","provider":"electrical center b2c","version":"1.0","type":"link"}