Main range of productZelio Control product or component typeModular measurement and control relays relay typeMultifunction control relay product specific applicationFor 3-phase supply relay nameRM17TT relay monitored parametersPhase failure detectionPhase sequence time delayWithout switching capacity in VA1250 VA measurement range208...480 V voltage AC Complementary reset time1500 ms for time delay maximum switching voltage250 V AC250 V DC minimum switching current10 mA at 5 V DC maximum switching current5 A AC5 A DC supply voltage limits183...528 V AC control circuit voltage limits- 12 % + 10 % Un power consumption in VA0...22 VA at 400 V AC 50 Hz control circuit frequency50...60 Hz +/- 10 % output contacts1 C/O nominal output current5 A measurement voltage limits183...528 V AC hysteresis2 % delay at power up<= 650 ms measuring cycle<= 150 ms measurement cycle as true rms value threshold adjustment voltage+2...+17 % in the range 480 V AC-2...-12 % in the range 208 V AC-2...-17 % in the range 220 V AC2...20 % of Un selected voltage range208...480 V phase to phase adjustment of asymmetry threshold5...15 % of Un selected repeat accuracy0.5 % for input and measurement circuit3 % for time delay measurement error< 0.05 %/°C with temperature variation< 1 % over the whole range with voltage variation phase failure sensitivity0.7 Un response time< 200 ms in the event of a fault markingCE overvoltage categoryIII conforming to IEC 60664-1 insulation resistance> 500 MOhm at 500 V DC conforming to IEC 60255-5> 500 MOhm at 500 V DC conforming to IEC 60664-1 [Ui] rated insulation voltage400 V conforming to IEC 60664-1 supply frequency50/60 Hz +/- 10 % operating positionAny position without 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 1 x 0.2...1 x 2.5 mm² - AWG 24...AWG 12, flexible cable with cable endScrew terminals 2 x 0.2...2 x 1.5 mm² - AWG 24...AWG 16, 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 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 60947-5-1 safety reliability dataMTTFd = 502.2 yearsB10d = 470000 width17.5 mm product weight0.13 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 EN/IEC 61000-6-2 standardsEN/IEC 60255-1 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 resistance15 gn for 11 ms conforming to IEC 60255-21-1 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 1 min AC 50 Hz conforming to IEC 60255-52 kV 1 min AC 50 Hz 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 instructionsAvailable Contractual warranty Warranty period18 months
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Dimensions DrawingsMultifunction 3-Phase Supply Control RelaysDimensions and Mounting
Connections and SchemaMultifunction 3-Phase Supply Control RelaysWiring Diagram
Technical DescriptionFunction DiagramPhase Sequence Control and Partial Phase Failure DetectionLegend
Un Nominal 3-phase supply voltage
L1, L2, L3 Phases of the supply voltage monitored
11-12, 11-14 Output relay connections
Relay status: black color = energized.