Product data sheet RM4TA31 Characteristics three-phase network control relay RM4-T - range 200..240 V Price* : 378.00 USD RM4TA31 has not been replaced. Please contact your customer care center for more information. Discontinued Main Range of product Zelio Control Product or component type Industrial measurement and control relays Relay type Control relay Product specific application For 3-phase supply Relay name RM4-T Relay monitored parameters Asymmetry Phase failure detection Phase sequence Time delay type Adjustable 0.1...10 s Measurement range 160...300 V Contacts type and composition 2 C/O Poles description 3P Complementary Maximum switching voltage 440 V AC Output contacts 2 C/O Setting accuracy of the switching +/-3 % threshold Switching threshold drift <= 0.06 % per degree centigrade depending permissible ambient air temperature <= 0.5 % within the measuring range Setting accuracy of time delay 10 P Time delay drift <= 0.07 % per degree centigrade depending on the rated operational temperature <= 0.5 % within the measuring range Hysteresis 50 % fixed of asymmetry percentage Run-up delay at power-up < 650 ms Measuring cycle <= 80 ms Adjustment of asymmetry threshold 5...15 % Marking CE Overvoltage category III conforming to IEC 60664-1 [Ui] rated insulation voltage 500 V conforming to IEC Supply frequency 50/60 Hz +/- 5 % Operating position Any position without Connections - terminals Screw terminals 2 x 1.5 mm², flexible cable with cable end Jun 24, 2018 1 Disclaimer: This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications Screw terminals 2 x 2.5 mm², flexible cable without cable end Tightening torque 5.31...9.73 lbf.in (0.6...1.1 N.m) Mechanical durability <= 30000000 cycles [Ith] conventional free air thermal 8 A current [Ie] rated operational current 2 A at 158 °F (70 °C) 24 V DC-13 conforming to IEC 60947-5-1/1991 2 A at 158 °F (70 °C) 24 V DC-13 conforming to VDE 0660 3 A at 158 °F (70 °C) 115 V AC-15 conforming to IEC 60947-5-1/1991 3 A at 158 °F (70 °C) 115 V AC-15 conforming to VDE 0660 3 A at 158 °F (70 °C) 24 V AC-15 conforming to IEC 60947-5-1/1991 3 A at 158 °F (70 °C) 24 V AC-15 conforming to VDE 0660 3 A at 158 °F (70 °C) 250 V AC-15 conforming to IEC 60947-5-1/1991 3 A at 158 °F (70 °C) 250 V AC-15 conforming to VDE 0660 0.1 A at 158 °F (70 °C) 250 V DC-13 conforming to IEC 60947-5-1/1991 0.1 A at 158 °F (70 °C) 250 V DC-13 conforming to VDE 0660 0.3 A at 158 °F (70 °C) 115 V DC-13 conforming to IEC 60947-5-1/1991 0.3 A at 158 °F (70 °C) 115 V DC-13 conforming to VDE 0660 Switching capacity in mA 10 mA at 12 V Switching voltage 250 V AC Contacts material 90/10 silver nickel contacts Number of cables 2 Height 3.07 in (78 mm) Width 0.89 in (22.5 mm) Depth 3.15 in (80 mm) Terminals description ISO n°1 (15-16-18)OC (L1-L2-L3)CO (25-26-28)OC Output relay state Tripped, fault present 9 mm pitches 2.5 Product weight 0.24 lb(US) (0.11 kg) Time delay on de-energisation 0.1...10 s Environment Electromagnetic compatibility Electrostatic discharge - test level 6 kV, level 3 - contact discharge conforming to IEC 61000-4-2 Electrostatic discharge - test level 8 kV, level 3 - air discharge conforming to IEC 61000-4-2 Resistance to electrostatic discharge - test level 6 kV - contact conforming to IEC 61000-4-2 level 3 Resistance to electrostatic discharge - test level 8 kV - air conforming to IEC 61000-4-2 level 3 Standards EN/IEC 60255-6 Product certifications CSA GL UL Directives 89/336/EEC - electromagnetic compatibility 73/23/EEC - low voltage directive Ambient air temperature for storage -40...185 °F (-40...85 °C) Ambient air temperature for operation -4...149 °F (-20...65 °C) Relative humidity 15...85 % 3K3 conforming to IEC 60721-3-3 Vibration resistance 0.35 ms (f = 10...55 Hz) conforming to IEC 60068-2-6 Shock resistance 15 gn 11 ms conforming to IEC 60068-2-27 IP degree of protection IP20(Terminals) conforming to IEC 60529 IP50 (casing) conforming to IEC 60529 Pollution degree 3 conforming to IEC 60664-1 Dielectric test voltage 2.5 kV Non-dissipating shock wave 4.8 kV Resistance to electrostatic discharge 6 kV contact conforming to IEC 61000-4-2 level 3 8 kV air conforming to IEC 61000-4-2 level 3 Resistance to electromagnetic fields 9.14 V/yd (10 V/m) conforming to IEC 61000-4-3 level 3 Resistance to fast transients 2 kV conforming to IEC 61000-4-4 level 3 Disturbance radiated/conducted CISPR 22 - class A CISPR 11 group 1 - class A 2 Ordering and shipping details Category 22376 - RELAYS-MEASUREMENT(RM4) Discount Schedule CP2 GTIN 00785901481614 Nbr. of units in pkg. 1 Package weight(Lbs) 0.28999999999999998 Returnability N Country of origin ID Contractual warranty Warranty period 18 months 3