RM4UB35 is replaced by:
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- Reason for Substitution: End of life
- Substitution date: 05 July 2016
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Characteristics
Main range of product Zelio Controlproduct or component type Industrial measurement and control relaysrelay type Voltage control relayrelay name RM4Urelay monitored parameters Overvoltage and undervoltage detectionSelf-poweredtime delay range 0.1...10 s adjustable delayminimum switching current 10 mA at 12 Vmaximum switching current 8 A at 250 V ACelectrical connection 2 conductors cable 1.5 mm² flexible cable with cable end conforming to IEC 60947-12 conductors cable 2.5 mm² flexible cable without cable end conforming to IEC 60947-1contacts type and composition 2 C/Opoles description 1PComplementary maximum switching voltage 440 V AC[Us] rated supply voltage 160...300 V ACsupply voltage limits 160...300 V ACcontrol threshold undervoltage 160...220 V 50/60 Hzcontrol threshold overvoltage 220...300 Voutput contacts 2 C/Omeasuring cycle <= 80 mssetting accuracy of the switching threshold +/-3 %switching threshold drift <= 0.06 % per degree centigrade depending permissible ambient air temperature<= 0.5 % within the measuring rangesetting accuracy of time delay 10 Ptime delay drift <= 0.07 % per degree centigrade depending on the rated operational temperature<= 0.5 % within the measuring rangehysteresis 5 % fixed of de-energisation threshold[Ue] rated operational voltage >= 160 Vmaximum permissible voltage <= 300 V L1 and L3marking CE : EMC 89/336/EECCE : LVD 73/23/EECovervoltage category III conforming to IEC 60664-1insulation resistance > 500 MOhm at 500 V DC conforming to IEC 60255-5[Ui] rated insulation voltage 500 V conforming to IECcontrol circuit voltage limits 0.85...1.1 Ucsupply frequency 50/60 Hz +/- 5 %supply disconnection value > 0.1 Ucoperating position Any position without deratingtightening torque 0.6...1.1 N.mmechanical durability 30000000 cycles[Ith] conventional free air thermal current 8 A[Ie] rated operational current 2 A at 24 V DC-13 70 °C conforming to IEC 60947-5-12 A at 24 V DC-13 70 °C conforming to VDE 06603 A at 115 V AC-15 70 °C conforming to IEC 60947-5-13 A at 115 V AC-15 70 °C conforming to VDE 06603 A at 24 V AC-15 70 °C conforming to IEC 60947-5-13 A at 24 V AC-15 70 °C conforming to VDE 06603 A at 250 V AC-15 70 °C conforming to IEC 60947-5-13 A at 250 V AC-15 70 °C conforming to VDE 06600.1 A at 250 V DC-13 70 °C conforming to VDE 06600.3 A at 115 V DC-13 70 °C conforming to IEC 60947-5-10.3 A at 115 V DC-13 70 °C conforming to VDE 0660switching voltage 250 V ACcontacts material 90/10 silver nickel contactsnumber of cables 2height 78 mmwidth 22.5 mmdepth 80 mmterminals description ISO n°1 (15-16-18)OCoutput relay state Tripped, fault present9 mm pitches 2.5product weight 0.11 kgEnvironment standards EN/IEC 60255-6product certifications CSAGLULambient air temperature for storage -40...85 °Cambient air temperature for operation -20...65 °Crelative humidity 15...85 % 3K3 conforming to IEC 60721-3-3vibration resistance 0.35 mm (f = 10...55 Hz) conforming to IEC 60068-2-6shock resistance 15 gn for 11 ms conforming to IEC 60068-2-27IP degree of protection IP20 (terminals) conforming to IEC 60529IP50 (casing) conforming to IEC 60529pollution degree 3 conforming to IEC 60664-1dielectric test voltage 2.5 kVnon-dissipating shock wave 4.8 kVresistance to electrostatic discharge 6 kV contact conforming to IEC 61000-4-2 level 38 kV air conforming to IEC 61000-4-2 level 3resistance to electromagnetic fields 10 V/m conforming to IEC 61000-4-3 level 3resistance to fast transients 2 kV conforming to IEC 61000-4-4 level 3protection against electric shocks 2 kV conforming to IEC 61000-4-5 level 3disturbance radiated/conducted CISPR 11 group 1 - class ACISPR 22 - class AContractual warranty Warranty period 18 months -
Documents and Downloads
Language- English
End of Life InformationDateSizeAdd to My DocumentsRM4 Control relay & RMC/ P/ T Analog relays, Product End-of-Life Instructions (Version 1.0)Date 12/14/17Size 101.8 KB -
Technical FAQs
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Dimensions Drawings
Voltage Control RelaysDimensions
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Mounting and Clearance
Voltage Control RelaysRail mounting
Screw fixing
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Connections and Schema
Voltage Control RelaysWiring Diagram
L1, L3Voltage to be monitored15-18, 15-161st C/O contact of the output relay25-28, 25-262nd C/O contact of the output relayApplication SchemeExample
(1)To sensitive loads -
Performance Curves
Electrical Durability and Load Limit CurvesAC LoadCurve 1: Electrical durability of contacts on resistive load in millions of operating cycles
XCurrent broken in AYMillions of operating cyclesCurve 2: Reduction factor k for inductive loads (applies to values taken from durability Curve 1)
XPower factor on breaking (cos φ)YReduction factor KDC LoadLoad limit curve
XCurrent in AYVoltage in V1L/R = 20 ms2L/R with load protection diode3Resistive load
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Technical Description
Function DiagramOvervoltage or Undervoltage DetectionFunctions "Fault detection delayed" and "Fault detection extended"
Legendt Time delay
U Single-phase supply voltage monitored
S Overvoltage or undervoltage setting
15/18, 15/16; 25/28, 25/26 Output relays connections
Relay status: black color = energized.