RM22UA21MR Modular 1-phase overvoltage control relay, 8 A, 2 CO, 0.05…5 V AC/DC measurement, 24…240 V AC/DC

Original price was: ₦83,800.00.Current price is: ₦73,859.00. 7.5% VAT

Modular 1-phase overvoltage control relay, 8 A, 2 CO, 0.05…5 V AC/DC measurement, 24…240 V AC/DC


SKU: RM22UA21MR Category:
range of product
Zelio Control
product or component type
Modular measurement and control relays
relay type
Voltage control relay
network number of phases
1 phase
supply circuit type
relay name
relay monitored parameters
Overvoltage detection
time delay type
switching capacity in VA
2000 VA
measurement range
50 mV…5 V voltage AC/DC 50/60 Hz
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
24…240 V AC/DC 50/60 Hz
supply voltage limits
20.4…264 V AC/DC
power consumption in VA
3.5 VA AC
maximum power consumption in W
1.5 W DC
supply voltage frequency
40…70 Hz +/- 10 %
resistance across terminals
30 kOhm at E2-M terminals
5 kOhm at E1-M terminals
50 kOhm at E3-M terminals
output contacts
2 C/O
5…50 % adjustable of threshold setting
run-up delay at power-up
600 ms
maximum measuring cycle
100 ms measurement cycle as true rms value
repeat accuracy
+/- 0.5 % for input and measurement circuit
measurement error
< 1 % over the whole range with voltage variation
0.05 %/°C with temperature variation
response time
<= 500 ms
overvoltage category
III conforming to IEC 60664-1
insulation resistance
> 100 MOhm at 500 V DC conforming to IEC 60255-27
Between supply and measurement
mounting position
Any position
connections – terminals
Screw terminals, 2 x 0.5…2 x 2.5 mm² (AWG 20…AWG 14) solid without cable end
Screw terminals, 2 x 0.2…2 x 1.5 mm² (AWG 24…AWG 16) flexible with cable end
Screw terminals, 1 x 0.5…1 x 3.3 mm² (AWG 20…AWG 12) solid without cable end
Screw terminals, 1 x 0.2…1 x 2.5 mm² (AWG 24…AWG 14) flexible with cable end
tightening torque
0.6…1 N.m conforming to IEC 60947-1
housing material
Self-extinguishing plastic
status LED
LED (yellow)relay ON
LED (green)power ON
mounting support
35 mm DIN rail conforming to EN/IEC 60715
electrical durability
100000 cycles
mechanical durability
10000000 cycles
utilisation category
AC-15 conforming to IEC 60947-5-1
DC-13 conforming to IEC 60947-5-1
AC-1 conforming to IEC 60947-4-1
DC-1 conforming to IEC 60947-4-1
safety reliability data
B10d = 290000
MTTFd = 308.2 years
contacts material
Cadmium free
22.5 mm
net weight
0.11 kg


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