{"product_id":"schneider-electric-rm35tm50mw-harmony-motor-temperature-control-relay","title":"Schneider Electric RM35TM50MW Harmony Motor Temperature Control Relay","description":"\u003cp\u003eConfigured for three-phase motor monitoring and PTC temperature protection, the \u003cstrong\u003eSchneider Electric RM35TM50MW\u003c\/strong\u003e (\u003cstrong\u003eRM35TM\u003c\/strong\u003e motor temperature control relay) provides direct electrical monitoring of phase sequence, phase failure, and motor temperature through a PTC sensing circuit. The relay provides two normally open output contacts for hard-wired control logic.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRM35TM50MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eHarmony Control Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMotor temperature control relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e3-phase supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonitored Parameters\u003c\/td\u003e\n\u003ctd\u003ePhase sequence, phase failure, motor temperature via PTC probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Circuit Voltage\u003c\/td\u003e\n\u003ctd\u003e24...240 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e24...240 V AC\/DC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage Limits\u003c\/td\u003e\n\u003ctd\u003e20.4...264 V AC; 20.4...264 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e208...480 V AC; 15...3100 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Voltage Limits\u003c\/td\u003e\n\u003ctd\u003e176...528 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Contacts\u003c\/td\u003e\n\u003ctd\u003e2 NO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Output Current\u003c\/td\u003e\n\u003ctd\u003e5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Switching Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Capacity\u003c\/td\u003e\n\u003ctd\u003e1250 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Switching Current\u003c\/td\u003e\n\u003ctd\u003e5 A AC; 5 A DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Switching Current\u003c\/td\u003e\n\u003ctd\u003e10 mA at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Durability\u003c\/td\u003e\n\u003ctd\u003e100000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Durability\u003c\/td\u003e\n\u003ctd\u003e30000000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePTC Tripping Threshold\u003c\/td\u003e\n\u003ctd\u003e3100 Ohm +\/- 10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePTC Reset Threshold\u003c\/td\u003e\n\u003ctd\u003e1650 Ohm +\/- 10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum PTC Sensor Resistance\u003c\/td\u003e\n\u003ctd\u003e1500 Ohm at 20 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReset Time\u003c\/td\u003e\n\u003ctd\u003e10000 ms output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0...4 VA at 24...240 V AC; 0.5 W DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20...50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40...70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e95% at 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20 terminals; IP30 casing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Test Voltage\u003c\/td\u003e\n\u003ctd\u003e2 kV, 1 min AC 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 500 MOhm at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Insulation Voltage\u003c\/td\u003e\n\u003ctd\u003e400 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm symmetrical DIN rail, IEC 60715\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e35 mm W x 90 mm H x 72 mm D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.095 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTightening Torque\u003c\/td\u003e\n\u003ctd\u003e0.6...1 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePolycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eIEC 60255-6; IEC 60034-11-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eGL, UL, GOST, C-Tick, CSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental EMC\u003c\/td\u003e\n\u003ctd\u003eIEC 61000-6-2, IEC 61000-6-3, IEC 61000-6-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePhase Monitoring and PTC Temperature Control\u003c\/h3\u003e\n\u003cp\u003eThe RM35TM50MW monitors a 3-phase supply for phase sequence and phase failure while separately evaluating motor temperature through a PTC probe connected to the temperature control circuit. The temperature circuit trips at 3100 Ohm +\/- 10% and resets at 1650 Ohm +\/- 10%.\u003c\/p\u003e\n\u003cp\u003eThe two output contacts are normally open and are rated at 5 A. The relay does not include a test button. Local status indication is provided by LEDs for power, phase relay status, and temperature relay status.\u003c\/p\u003e\n\u003cp\u003eThe non-self-powered supply accepts 24...240 V AC\/DC. The modular housing mounts on a 35 mm symmetrical DIN rail and provides screw-terminal connections for the supply, monitored circuits, PTC input, and relay outputs.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What type of temperature sensor does the RM35TM50MW monitor?\u003cbr\u003eA: It monitors a motor PTC probe through the T1-T2 temperature control circuit. The specified tripping threshold is 3100 Ohm +\/- 10%, with a reset threshold of 1650 Ohm +\/- 10%.\u003c\/p\u003e\n\u003cp\u003eQ: What are the output contact ratings?\u003cbr\u003eA: The relay provides 2 normally open contacts. The nominal output current is 5 A, with a maximum switching voltage of 250 V AC and a maximum switching current of 5 A AC or 5 A DC.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting arrangement is specified for the relay?\u003cbr\u003eA: The relay is designed for mounting on a 35 mm symmetrical DIN rail conforming to IEC 60715. The housing can operate in any position without derating.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the relay on a 35 mm symmetrical DIN rail with sufficient clearance for terminal wiring and access to the front adjustment elements.\u003c\/li\u003e\n\u003cli\u003eVerify the three-phase supply connections and phase-monitoring circuit before energizing the relay.\u003c\/li\u003e\n\u003cli\u003eRoute PTC sensor wiring separately from high-current motor conductors where practical to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eMaintain correct polarity and terminal identification for the PTC circuit according to the applicable wiring diagram.\u003c\/li\u003e\n\u003cli\u003eConnect protective and control wiring according to the installation documentation and the required control circuit architecture.\u003c\/li\u003e\n\u003cli\u003eTighten screw terminals within the specified 0.6...1 N.m range.\u003c\/li\u003e\n\u003cli\u003eVerify that connected relay loads remain within the 5 A output rating and the applicable switching capacity.\u003c\/li\u003e\n\u003cli\u003eCheck the enclosure and terminal protection requirements before installation in environments with conductive contamination or elevated humidity.\u003c\/li\u003e\n\u003cli\u003eConfirm phase sequence, phase-failure response, and PTC trip\/reset operation during commissioning.\u003c\/li\u003e\n\u003cli\u003eDo not apply a supply voltage outside the specified 20.4...264 V AC\/DC range.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":50135168876786,"sku":"RM35TM50MW","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/5589\/5794\/files\/RM35TM50MW2.jpg?v=1789976084","url":"https:\/\/www.petrospare.com\/products\/schneider-electric-rm35tm50mw-harmony-motor-temperature-control-relay","provider":"Petro Spare Industrial Limited","version":"1.0","type":"link"}