Main range of productZelio Control product or component typeModular measurement and control relays relay typeVoltage control relay Phase1 phase supply circuit typeDC relay nameRM22UA relay monitored parametersOvervoltage detection time delay typeWithout switching capacity in VA2000 VA measurement range15...500 V voltage AC/DC 50/60 Hz Complementary reset time1500 ms at maximum voltage maximum switching voltage250 V AC minimum switching current10 mA 5 V DC maximum switching current8 A AC [Us] rated supply voltage24...240 V AC/DC 50/60 Hz supply voltage limits20.4…264 V AC/DC power consumption in VA3.5 VA AC maximum power consumption in W1.5 W DC supply voltage frequency40...70 Hz +/- 10 % resistance across terminals150 kOhm E2-M terminals300 kOhm E1-M terminals500 kOhm E3-M terminals output contacts2 C/O hysteresis5…50 % adjustable threshold setting run-up delay at power-up600 ms maximum measuring cycle100 ms measurement cycle as true rms value repeat accuracy+/- 0.5 % input and measurement circuit measurement error< 1 % over the whole range with voltage variation0.05 %/°C with temperature variation response time<= 500 ms overvoltage categoryIII IEC 60664-1 insulation resistance> 100 MOhm 500 V DC IEC 60255-27 insulationBetween supply and measurement mounting positionAny position connections - terminalsScrew terminals, 2 x 0.5...2 x 2.5 mm² AWG 20...AWG 14) solid without cable endScrew terminals, 2 x 0.2...2 x 1.5 mm² AWG 24...AWG 16) flexible with cable endScrew terminals, 1 x 0.5...1 x 3.3 mm² AWG 20...AWG 12) solid without cable endScrew terminals, 1 x 0.2...1 x 2.5 mm² AWG 24...AWG 14) flexible with cable end tightening torque5.31…8.85 lbf.in (0.6…1 N.m) IEC 60947-1 housing materialSelf-extinguishing plastic status LEDRelay ON LED yellow)Power ON LED green) mounting support35 mm DIN rail EN/IEC 60715 electrical durability100000 cycles mechanical durability10000000 cycles utilisation categoryAC-15 IEC 60947-5-1DC-13 IEC 60947-5-1AC-1 IEC 60947-4-1DC-1 IEC 60947-4-1 safety reliability dataMTTFd = 308.2 yearsB10d = 290000 contacts materialCadmium free width0.89 in (22.5 mm) product weight0.24 lb(US) (0.11 kg) Environment immunity to microbreaks10 ms electromagnetic compatibilityImmunity for residential, commercial and light-industrial environments EN/IEC 61000-6-1Immunity for industrial environments EN/IEC 61000-6-2Emission standard for residential, commercial and light-industrial environments EN/IEC 61000-6-3Emission standard for industrial environments EN/IEC 61000-6-4Electrostatic discharge 6 kV contact discharge)level 3 IEC 61000-4-2Electrostatic discharge 8 kV air discharge)level 3 IEC 61000-4-2Radiated radio-frequency electromagnetic field immunity test 10 V/mlevel 3 IEC 61000-4-3Electrical fast transient/burst immunity test 4 kV direct)level 4 IEC 61000-4-4Electrical fast transient/burst immunity test 2 kV capacitive coupling)level 4 IEC 61000-4-4Surge immunity test 4 kV common mode)level 4 IEC 61000-4-5Surge immunity test 2 kV differential mode)level 4 IEC 61000-4-5Conducted and radiated emissionsclass B group 1 CISPR 11Conducted and radiated emissionsclass B CISPR 22 standardsEN/IEC 60255-1 product certificationsCEChina RoHSCCCGLRCMULEACCSA ambient air temperature for storage-40…158 °F (-40…70 °C) ambient air temperature for operation-4…122 °F (-20…50 °C) 60 Hz-4…140 °F (-20…60 °C) 50 Hz AC/DC relative humidity93…97 % 77…131 °F (25…55 °C) IEC 60068-2-30 vibration resistance0.075 mm 10…58.1 Hz) not in operation IEC 60068-2-61 gn 10…58.1 Hz) not in operation IEC 60068-2-60.035 mm 58.1…150 Hz) in operation IEC 60068-2-60.5 gn 58.1…150 Hz) in operation IEC 60068-2-6 shock resistance15 gn 11 ms) not in operation IEC 60068-2-275 gn 11 ms) in operation IEC 60068-2-27 IP degree of protectionIP20 IEC 60529 terminals)IP40 IEC 60529 housing)IP50 IEC 60529 front panel) pollution degree3 IEC 60664-1 dielectric test voltage2.5 kV AC 50 Hz, 1 min IEC 60255-27 Ordering and shipping details Category22380 - RELAYS-MEASUREMENT (RM17-RM35) Discount ScheduleCP2 GTIN00785901057826 Package weight(Lbs)0.09 kg (0.2 lb(US)) ReturnabilityNo Country of originID Offer Sustainability Sustainable offer statusGreen Premium product California proposition 65WARNING: This product can expose you to chemicals including: Lead and lead compounds which is known to the State of California to cause Carcinogen & Reproductive harm. For more information go to www.p65warnings.ca.gov EU RoHS DirectivePro-active compliance (Product out of EU RoHS legal scope)
EU RoHS Declaration
Mercury freeYes RoHS exemption information China RoHS Regulation Environmental Disclosure Circularity Profile WEEEThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins.
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Mounting and ClearanceMounting and ClearanceRail Mounting
Connections and SchemaOvervoltage Control Relay
A1,A2 : Supply voltage
E1,E2,E3,M : Voltages to be measured
11-14,12 : 1st C/O contact of output relay
21-24,22 : 2nd C/O contact of output relay
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.