Main range of productZelio Control product or component typeModular measurement and control relays relay typeMultifunction voltage control relay relay nameRM35UA relay monitored parametersOvervoltage or undervoltage detection time delay typeAdjustable 0.3...30 s, 0 + 10 % on crossing the threshold switching capacity in VA1250 VA minimum switching current10 mA at 5 V DC maximum switching current5 A AC/DC power consumption in VA0...3.5 VA AC measurement range1...100 V voltage utilisation categoryAC-12 conforming to IEC 60947-5-1AC-13 conforming to IEC 60947-5-1AC-14 conforming to IEC 60947-5-1AC-15 conforming to IEC 60947-5-1DC-12 conforming to IEC 60947-5-1DC-13 conforming to IEC 60947-5-1DC-14 conforming to IEC 60947-5-1 Complementary reset time1500 ms for time delay maximum switching voltage250 V AC/DC [Us] rated supply voltage24...240 V AC/DC, 50/60 Hz +/- 10 % supply voltage limits20.4...264 V AC/DC power consumption in W<= 0.6 W DC immunity to microbreaks10 ms control circuit frequency40...70 Hz +/- 10 % resistance across terminals110 mOhm E2-M terminals22 mOhm E1-M terminals220 mOhm E3-M terminals output contacts2 C/O nominal output current5 A measuring cycle<= 30 ms measurement cycle as true rms value hysteresis5...50 % of threshold setting run-up delay at power-up<= 600 ms measurement accuracy+/- 10 % of the full scale value repeat accuracy+/- 0.5 % for input and measurement circuit+/- 2 % for time delay measurement error+/- 0.05 %/°C with temperature variation< 1 % over the whole range with voltage variation polarityNon reversible polarity on DC supply sensitivity scale1...10 V E1-M terminals10...100 V E3-M terminals5...50 V E2-M terminals threshold setting10...100 % quality labelsCE overvoltage categoryIII conforming to IEC 60664-1 insulation resistance> 500 MOhm at 500 V DC between supply and relay output conforming to IEC 60255-5> 500 MOhm at 500 V DC between measurement and relay output conforming to IEC 60664-1> 1 MOhm at 500 V DC between supply and measurement conforming to IEC 60255-5> 500 MOhm at 500 V DC between supply and relay output conforming to IEC 60664-1> 500 MOhm at 500 V DC between measurement and relay output conforming to IEC 60255-5> 1 MOhm at 500 V DC between supply and measurement conforming to IEC 60664-1 [Ui] rated insulation voltage250 V conforming to IEC 60664-1600 V conforming to IEC 60664-1 control circuit voltage limits- 15 % + 10 % Un operating positionAny position without derating connections - terminalsScrew terminals 1 x 0.5...1 x 4 mm² - AWG 20...AWG 11, solid cable without cable endScrew terminals 2 x 0.5...2 x 2.5 mm² - AWG 20...AWG 14, solid cable without cable endScrew terminals 2 x 0.2...2 x 1.5 mm² - AWG 24...AWG 16, flexible cable with cable endScrew terminals 1 x 0.2...2 x 2.5 mm² - AWG 24...AWG 12, flexible cable with cable end tightening torque0.6...1 N.m conforming to IEC 60947-1 housing materialSelf-extinguishing plastic local signallingLED green for power ONLED yellow for relay ON mounting support35 mm symmetrical DIN rail conforming to EN/IEC 60715 electrical durability100000 cycles mechanical durability<= 30000000 cycles operating rate<= 360 operations/hour under full load safety reliability dataMTTFd = 308.2 yearsB10d = 290000 width35 mm product weight0.08 kg Environment electromagnetic compatibilityEmission standard for industrial environments conforming to EN/IEC 61000-6-4Emission standard for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-3Immunity for industrial environments conforming to NF EN/IEC 61000-6-2 standardsEN/IEC 60255-6 product certificationsCSAC-TickGLGOSTUL directives89/336/EEC - electromagnetic compatibility73/23/EEC - low voltage directive ambient air temperature for storage-40...70 °C ambient air temperature for operation-20...50 °C relative humidity95 % at 55 °C conforming to IEC 60068-2-30 vibration resistance0.35 mm (f = 5...57.6 Hz) conforming to IEC 60068-2-61 gn (f = 57.6...150 Hz) conforming to IEC 60255-21-1 shock resistance5 gn conforming to IEC 60068-2-27 IP degree of protectionIP20 (terminals) conforming to IEC 60529IP30 (casing) conforming to IEC 60529 pollution degree3 conforming to IEC 60664-1 dielectric test voltage2 kV AC 50 Hz, 1 min conforming to IEC 60255-52 kV AC 50 Hz, 1 min conforming to IEC 60664-1 non-dissipating shock wave4 kV conforming to IEC 60255-54 kV conforming to IEC 60664-14 kV conforming to IEC 61000-4-5 Offer Sustainability Sustainable offer statusGreen Premium product RoHS (date code: YYWW) REACh Product environmental profile Product end of life instructions Contractual warranty Warranty period18 months
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Dimensions DrawingsMultifunction Voltage Control RelaysDimensions and Mounting
Connections and SchemaMultifunction Voltage Control RelaysWiring DiagramApplication SchemeExample: Overspeed Monitoring (Undervoltage Function)(1)Overspeed(2)Tachogenerator
Technical DescriptionFunction DiagramsUndervoltage Control
Without memory ("No Memory" mode)
With memory ("Memory" mode)Overvoltage Control
Without memory ("No Memory" mode)
With memory ("Memory" mode)Legend
Tt Time delay after crossing of threshold
Un Nominal supply voltage
U Monitored supply voltage
U> Overvoltage threshold
U< Undervoltage threshold
11-12/11-14, 21-22/21-24 Output relay connections
Relay status: black color = energized.
NOTE: In "Memory" mode, the relay opens when crossing of the threshold is detected and then stays in that position. The power supply voltage must be switched off to reset the product.