Product data sheet
Characteristics
RM22TA33
three-Phase Asymmetry control relay 380…
480Vac, 2 C/O
Main
Range of product Zelio Control
Product or component type Modular measurement and control relays
Relay type Control relay
Network number of phases 3 phases
Relay name RM22TA
Relay monitored parameters Asymmetry
Time delay type Adjustable 0.1...30 s, +/- 10 % of the full scale value on crossing the threshold Tt
Switching capacity in VA 2000 VA
Measurement range 380...480 V voltage AC
Phase failure detection
Phase sequence
Complementary
Reset time <= 1500 ms at maximum voltage
Maximum switching voltage 250 V AC
Minimum switching current 10 mA at 5 V DC
Maximum switching current 8 A AC
[Us] rated supply voltage 380...480 V AC
Supply voltage limits 304...576 V AC
Control circuit voltage limits - 20 % + 20 % Un
Power consumption in VA 15 VA at 480 V AC 60 Hz
Voltage detection threshold < 100 V AC
Supply frequency 50...60 Hz +/- 10 %
Output contacts 2 C/O
Setting accuracy of the switching
threshold
Switching threshold drift <= 0.05 % per degree centigrade depending permissible ambient air temperature
+/- 10 % of the full scale
<= 1 % within the supply voltage range
Jun 27, 2018
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
1
Setting accuracy of time delay 10 P
Time delay drift <= 0.05 % per degree centigrade depending permissible ambient air temperature
Hysteresis 2 % fixed of selectable
Run-up delay at power-up <= 650 ms
Measuring cycle 150 ms measurement cycle as true rms value
Threshold adjustment voltage 2...20 % of Un selected
Voltage range 380...480 V phase to phase
Adjustment of asymmetry threshold 5...15 % of Un selected
Repeat accuracy +/- 0.5 % input and measurement circuit
Measurement error < 0.05 %/°C with temperature variation
Response time <= 300 ms
Overvoltage category III conforming to UL 508
Insulation resistance > 100 MOhm at 500 V DC conforming to IEC 60255-27
Mounting position Any position
Connections - terminals Screw terminals 2 x 0.5...2 x 2.5 mm² - AWG 20...AWG 14, solid cable without cable end
Tightening torque 0.6...1 N.m conforming to IEC 60947-1
Housing material Self-extinguishing plastic
Status LED LED yellow for relay ON
Mounting support 35 mm DIN rail conforming to EN/IEC 60715
Electrical durability 100000 cycles
Mechanical durability 10000000 cycles
Utilisation category AC-1 conforming to IEC 60947-4-1
Safety reliability data B10d = 350000
Contacts material Cadmium free
Width 22.5 mm
Product weight 0.09 kg
<= 1 % within the supply voltage range
+/- 3 % time delay
< 1 % over the whole range with voltage variation
III conforming to IEC 60664-1
Screw terminals 2 x 0.2...2 x 1.5 mm² - AWG 24...AWG 16, flexible cable with cable end
Screw terminals 1 x 0.5...1 x 3.3 mm² - AWG 20...AWG 12, solid cable without cable end
Screw terminals 1 x 0.2...1 x 2.5 mm² - AWG 24...AWG 14, flexible cable with cable end
LED green for power ON
DC-1 conforming to IEC 60947-4-1
AC-15 conforming to IEC 60947-5-1
DC-13 conforming to IEC 60947-5-1
MTTFd = 388.1 years
Environment
Immunity to microbreaks <= 10 ms
Electromagnetic compatibility Conducted and radiated emissions class B conforming to CISPR 22
Standards EN/IEC 60255-1
Product certifications CE
2
Immunity for residential, commercial and light-industrial environments conforming to EN/IEC
61000-6-1
Electrostatic discharge 6 kV level 3 contact discharge conforming to IEC 61000-4-2
Electrostatic discharge 8 kV level 3 air discharge conforming to IEC 61000-4-2
Radiated radio-frequency electromagnetic field immunity test 10 V/m level 3 conforming to IEC
61000-4-3
Electrical fast transient/burst immunity test 4 kV level 4 direct conforming to IEC 61000-4-4
Electrical fast transient/burst immunity test 2 kV level 4 capacitive coupling conforming to IEC
61000-4-4
Surge immunity test 4 kV level 4 common mode conforming to IEC 61000-4-5
Surge immunity test 2 kV level 4 differential mode conforming to IEC 61000-4-5
Conducted and radiated emissions class B group 1 conforming to CISPR 11
Emission standard for industrial environments conforming to EN/IEC 61000-6-4
Emission standard for residential, commercial and light-industrial environments conforming to EN/IEC
61000-6-3
Immunity for industrial environments conforming to EN/IEC 61000-6-2
China RoHS
GL
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