Range of produc

Harmony Control Relays

Relay type

Voltage control relay

Product or component type

Voltage control relay

Network number of phases

1 phase

Supply circuit type

DC

Relay name

RM22UA

Relay monitored parameters

Undervoltage and overvoltage in window mode Overvoltage or undervoltage detection

time delay

Adjustable 0.1...30 s, +/- 10 % of the full scale value on crossing the threshold Tt

Switching capacity in VA

2000 VA

Minimum switching current

10 mA at 5 V DC

Maximum switching current

8 A AC

Power consumption in VA

3.5 VA AC

Measurement range

50 mV...5 V voltage AC/DC 50/60 Hz

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

Contacts type and composition

2 C/O

Reset time

1500 ms at maximum voltage

Maximum switching voltage

250 V AC

Supply voltage limits

20.4…264 V AC/DC

Maximum power consumption in W

1.5 W DC

Immunity to microbreaks

10 ms

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

Nominal output current

8 A

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

delay at power up

600 ms

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

Response time

<= 500 ms

Overvoltage category

III conforming to IEC 60664-1

Insulation resistance

> 100 MOhm at 500 V DC

insulation

Between supply and measurement

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

Mounting support

35 mm DIN rail conforming to IEC 60715

Electrical durability

100000 cycles

Mechanical durability

10000000 cycles

Contacts material

Cadmium free

Safety reliability data

MTTFd = 308.2 years B10d = 290000

Width

22.5 mm

Net weight

0.11 kg

Functionality

Undervoltage and overvoltage in window mode

Compatibility code

RM22

Electromagnetic compatibility

Immunity for residential, commercial and light-industrial environments conforming to IEC 61000-6-1 Immunity for industrial environments conforming to IEC 61000-6-2 Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3 Emission standard for industrial environments conforming to 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

Standards

IEC 60255-1

product certifications

CE CSA RCM GL CCC EAC UL

Ambient air temperature for storage

-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

Dielectric test voltage

2.5 kV, 1 min AC 50 Hz conforming to IEC 60255-27

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

2.6 cm

Package 1 Width

8.2 cm

Package 1 Length

9.5 cm

Package 1 Weight

121.0 g

Unit Type of Package 2

S02

Number of Units in Package 2

40

Package 2 Height

15.0 cm

Package 2 Width

30.0 cm

Package 2 Length

40.0 cm

Package 2 Weight

5.292 kg

Unit Type of Package 3

P06

Number of Units in Package 3

640

Package 3 Height

80.0 cm

Package 3 Width

80.0 cm

Package 3 Length

60.0 cm

Package 3 Weight

92.58 kg

Warranty

18 months