Main
Measurement range
15...500 V voltage AC/DC 50/60 Hz
Relay monitored parameters
Overvoltage detection
switching capacity in va
2000 VA
Relay type
Voltage control relay
relay name
RM22UA
[ui] rated insulation voltage
250 V conforming to IEC 60664-1
Complementary
compatibility code
RM22
maximum switching current
8 A AC
Product certifications
CE
CCC
GL
RCM
UL
EAC
CSA
response time
<= 500 ms
output contacts
2 C/O
Product or component type
Voltage control relay
tightening torque
0.6…1 N.m conforming to IEC 60947-1
[uimp] rated impulse withstand voltage
5 kV during 1.2/50 µs conforming to IEC 60255-27
[us] rated supply voltage
24...240 V AC/DC 50/60 Hz
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
minimum switching current
10 mA at 5 V DC
reset time
1500 ms at maximum voltage
Contacts material
Cadmium free
Delay at power up
600 ms
hysteresis
5…50 % adjustable of threshold setting
Contacts type and composition
2 C/O
safety reliability data
MTTFd = 308.2 years
B10d = 290000
maximum measuring cycle
100 ms measurement cycle as true rms value
width (w)
22.5 mm
supply voltage limits
20.4…264 V AC/DC
Net weight
0.11 kg
measurement error
< 1 % over the whole range with voltage variation
0.05 %/°C with temperature variation
Immunity to microbreaks
10 ms
Mounting support
35 mm DIN rail conforming to EN/IEC 60715
mechanical durability
10000000 cycles
electrical durability
100000 cycles
repeat accuracy
+/- 0.5 % for input and measurement circuit
Housing material
Self-extinguishing plastic
Pollution degree
3 conforming to IEC 60664-1
Power consumption in va
3.5 VA AC
Network number of phases
1 phase
maximum power consumption in w
1.5 W DC
Maximum switching voltage
250 V AC
Insulation
Between supply and measurement
Shock resistance
15 gn (duration = 11 ms) for not in operation conforming to IEC 60068-2-27
5 gn (duration = 11 ms) for in operation conforming to IEC 60068-2-27
Resistance across terminals
150 kOhm at E2-M terminals
300 kOhm at E1-M terminals
500 kOhm at E3-M terminals
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
Supply circuit type
DC
Time delay
Without
Environment
Ambient air temp for storage/transportation
-40…70 °C
ip degree of protection
IP20 (terminals) conforming to IEC 60529
IP40 (housing) conforming to IEC 60529
IP50 (front panel) conforming to IEC 60529
Range of product
Harmony Control Relays
ambient air temperature for operation
-20…50 °C at 60 Hz
-20…60 °C at 50 Hz
electromagnetic compatibility
Immunity for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-1
Immunity for industrial environments conforming to EN/IEC 61000-6-2
Emission standard for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-3
Emission standard for industrial environments conforming to EN/IEC 61000-6-4
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
Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m level 3 conforming to IEC 61000-4-3
Electrical fast transient/burst immunity test - test level: 4 kV level 4 (direct) conforming to IEC 61000-4-4
Electrical fast transient/burst immunity test - test level: 2 kV level 4 (capacitive coupling) conforming to IEC 61000-4-4
Surge immunity test - test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5
Surge immunity test - test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5
Conducted and radiated emissions class B group 1 conforming to CISPR 11
Conducted and radiated emissions class B conforming to CISPR 22
overvoltage category
III conforming to IEC 60664-1
standards
EN/IEC 60255-1
relative humidity
93…97 % at 25…55 °C conforming to IEC 60068-2-30
vibration resistance
0.075 mm (f= 10…58.1 Hz) not in operation conforming to IEC 60068-2-6
1 gn (f= 10…58.1 Hz) not in operation conforming to IEC 60068-2-6
0.035 mm (f= 58.1…150 Hz) in operation conforming to IEC 60068-2-6
0.5 gn (f= 58.1…150 Hz) in operation conforming to IEC 60068-2-6
dielectric test voltage
2.5 kV, 1 min AC 50 Hz conforming to IEC 60255-27
insulation resistance
> 100 MOhm at 500 V DC