Complementary
[Us] rated supply voltage	24...240 V AC/DC 50/60 Hz, non self-powered
Supply voltage limits	20.4…264 V AC/DC
Power consumption in VA	3.5 VA AC
Measurement range	15...500 V AC/DC
Maximum measuring cycle	100 ms measurement cycle as true rms value
Hysteresis	3 % fixed of full scale for window mode; 5…50 % adjustable of threshold setting
Repeat accuracy	+/- 0.5 % for input and measurement circuit; +/- 2 % for time delay
Measurement error	< 1 % over the whole range with voltage variation; 0.05 %/°C with temperature variation
Time delay type	Adjustable 0.1...30 s, +/- 10 % of the full scale value Tt- time delay upon fault
Setting accuracy of time delay	10 %
Reset time	1500 ms at maximum voltage
Power on delay	600 ms
Output contacts	2 C/O
nominal output current	8 A
Maximum switching voltage	250 V AC
Switching capacity in VA	2000 VA
Minimum switching current	10 mA at 5 V DC
Maximum switching current	8 A AC
Electrical durability	100000 cycles
Mechanical durability	10000000 cycles
Contacts material	Cadmium free
Maximum power consumption in W	1.5 W DC
Resistance across terminals	150 kOhm at E2-M terminals; 300 kOhm at E1-M terminals; 500 kOhm at E3-M terminals
Insulation	Between supply and measurement
Contractual warranty
Warranty (in months)	18
Environment
Standards	IEC 60255-1
Product certifications	RCM; UL; EAC; CSA; CE; GL; CCC
Ambient air temperature for storage	-40…70 °C; -40…70 °C
Ambient air temperature for operation	-20…50 °C at 60 Hz; -20…60 °C at 50 Hz
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
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
IP degree of protection	IP20 (terminals) conforming to IEC 60529; IP40 (housing) conforming to IEC 60529; IP50 (front panel) conforming to IEC 60529
Pollution degree	3 conforming to IEC 60664-1
Overvoltage category	III conforming to IEC 60664-1
Dielectric test voltage	2.5 kV, 1 min AC 50 Hz conforming to IEC 60255-27
Insulation resistance	> 100 MOhm at 500 V DC
Connections - terminals	Screw terminals, 2 x 0.5...2 x 2.5 mm² (20 AWG...14 AWG) solid without cable end; Screw terminals, 2 x 0.2...2 x 1.5 mm² (24 AWG...16 AWG) flexible with cable end; Screw terminals, 1 x 0.5...1 x 3.3 mm² (20 AWG...12 AWG) solid without cable end; Screw terminals, 1 x 0.2...1 x 2.5 mm² (24 AWG...14 AWG) flexible with cable end
Tightening torque	0.6…1 N.m conforming to IEC 60947-1
Housing material	Polycarbonate
Mounting support	35 mm DIN rail conforming to IEC 60715
Reliability data	MTTFd = 308.2 years; B10d = 290000
Height	90 mm; 88.9 mm
Width	22.5 mm; 22.9 mm
Depth	73 mm; 73.7 mm
Net weight	0.11 kg; 0.11 kg
Logistical informations
Country of origin	ID
Main
Range of product	Harmony Control Relays
Relay type	Voltage control relay
Product or component type	Voltage control relay
Relay name	RM22UA
Relay monitored parameters	Undervoltage and overvoltage in window mode; Overvoltage or undervoltage detection
Control type	With test button
Contacts type and composition	2 C/O
Network number of phases	1 phase
Supply circuit type	DC
Packing Units
Unit Type of Package 1	PCE
Number of Units in Package 1	1
Package 1 Height	2.600 cm
Package 1 Width	8.200 cm
Package 1 Length	9.500 cm
Package 1 Weight	122.000 g
Unit Type of Package 2	S02
Number of Units in Package 2	40
Package 2 Height	15 cm
Package 2 Width	30 cm
Package 2 Length	40 cm
Package 2 Weight	5.390 kg

Harmony Control. This voltage monitoring relay monitors a measuring circuit for exceedance or undershoot of the set limit value (15-500 VAC/DC). You can choose between exceedance, undershoot and overshoot and undershoot in window mode. An error memory is optionally available, which holds the error message until a reset. Two relay changeover switches are available for reporting, which can be loaded up to 8 A. The mode of operation, the limit value, the switching hysteresis and a drop-out delay can be set. The settings are made using control elements on the front, which can be protected against changes under a transparent cover. An illuminated scale arrow makes it very easy to see the setting of the potentiometers, even from a distance. The diagnostic switch on the front enables the output relays to be switched off to test the entire application. When the transparent cover is closed, the diagnostic switch is automatically reset. The wide-voltage power supply (24-240 VAC/DC) enables universal use. Two LEDs show the status. The width is 22.5 mm and it is mounted on a top hat rail. The cable connection is made via screw terminals.