Product Model
RM22UA31MR
Selling Points
- 1Versatile 1-Phase Monitoring: Monitors undervoltage and overvoltage in window mode with adjustable time delays.
- 2Robust Electromagnetic Compatibility: Immunity for residential, commercial, and industrial environments, ensuring reliable operation.
- 3High Current Capacity: Handles up to 8A AC with a maximum switching voltage of 250V AC.
- 4Compact Design: Mounts on DIN rail with dimensions of 22.5mm width, 90mm height, and 73mm depth.
- 5Compliance and Safety: Compliant with IEC 60947-5-1 and IEC 60947-4-1 standards, ensuring safety in electrical installations.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Range of Product | Harmony Control Relays | Relay Type | Voltage control relay |
Product or Component Type | Voltage control relay | Phase | 1 phase |
Supply circuit type | DC | Relay name | RM22UA |
Relay monitored parameters | Undervoltage and overvoltage in window mode<br />Overvoltage or undervoltage detection | time delay | Adjustable 0.1...30 s, +/- 10 % of the full scale value Tt- time delay upon fault |
Switching capacity in VA | 2000 VA | Measurement range | 0.05...5 V AC/DC |
Contacts type and composition | 2 C/O | Reset time | 1500 ms at maximum voltage |
Maximum switching voltage | 250 V AC | Minimum switching current | 10 mA 5 V DC |
Maximum switching current | 8 A AC | 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 |
Immunity to microbreaks | 10 ms | Resistance across terminals | 30 kOhm E2-M terminals<br />5 kOhm E1-M terminals<br />50 kOhm E3-M terminals |
Output contacts | 2 C/O | Nominal output current | 8 A |
Hysteresis | 3 % fixed full scale for window mode<br />5…50 % adjustable threshold setting | delay at power up | 600 ms |
Maximum measuring cycle | 100 ms measurement cycle as true rms value | Repeat accuracy | +/- 0.5 % input and measurement circuit<br />+/- 2 % time delay |
Measurement error | < 1 % over the whole range with voltage variation<br />0.05 %/°C with temperature variation | Response time | <= 500 ms |
Insulation resistance | > 100 MOhm 500 V DC | Overvoltage category | III IEC 60664-1 |
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<br />Screw terminals, 2 x 0.2...2 x 1.5 mm² AWG 24...AWG 16) flexible with cable end<br />Screw terminals, 1 x 0.5...1 x 3.3 mm² AWG 20...AWG 12) solid without cable end<br />Screw terminals, 1 x 0.2...1 x 2.5 mm² AWG 24...AWG 14) flexible with cable end |
Tightening torque | 5.3…8.9 lbf.in (0.6…1 N.m) 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 | Utilisation category | AC-15 IEC 60947-5-1<br />DC-13 IEC 60947-5-1<br />AC-1 IEC 60947-4-1<br />DC-1 IEC 60947-4-1 |
[Un] rated nominal voltage | 24...240 V AC/DC 50/60 Hz, non self-powered | Safety reliability data | MTTFd = 308.2 years<br />B10d = 290000 |
Contacts material | Cadmium free | Control Type | With test button |
Width | 0.9 in (22.5 mm) | Net Weight | 0.24 lb(US) (0.11 kg) |
Electromagnetic compatibility | Immunity for residential, commercial and light-industrial environments conforming to IEC 61000-6-1<br />Immunity for industrial environments conforming to IEC 61000-6-2<br />Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3<br />Emission standard for industrial environments conforming to IEC 61000-6-4<br />Electrostatic discharge - test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2<br />Electrostatic discharge - test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2<br />Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m level 3 conforming to IEC 61000-4-3<br />Electrical fast transient/burst immunity test - test level: 4 kV level 4 (direct) conforming to IEC 61000-4-4<br />Electrical fast transient/burst immunity test - test level: 2 kV level 4 (capacitive coupling) conforming to IEC 61000-4-4<br />Surge immunity test - test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5<br />Surge immunity test - test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5<br />Conducted and radiated emissions class B group 1 conforming to CISPR 11<br />Conducted and radiated emissions class B conforming to CISPR 22 | Ambient air temperature for operation | -4…122 °F (-20…50 °C) 60 Hz<br /> -4…140 °F (-20…60 °C) 50 Hz |
Standards | IEC 60255-1 | Product Certifications | CE<br />CSA<br />RCM<br />GL<br />CCC<br />EAC<br />UL |
Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C) | Relative humidity | 93…97 % 77…131 °F (25…55 °C) IEC 60068-2-30 |
Vibration resistance | 0.075 mm 10…58.1 Hz) not in operation IEC 60068-2-6<br />1 gn 10…58.1 Hz) not in operation IEC 60068-2-6<br />0.035 mm 58.1…150 Hz) in operation IEC 60068-2-6<br />0.5 gn 58.1…150 Hz) in operation IEC 60068-2-6 | Shock resistance | 15 gn 11 ms) not in operation IEC 60068-2-27<br />5 gn 11 ms) in operation IEC 60068-2-27 |
IP degree of protection | IP20 IEC 60529 terminals)<br />IP40 IEC 60529 housing)<br />IP50 IEC 60529 front panel) | Pollution degree | 3 IEC 60664-1 |
Dielectric test voltage | 2.5 kV AC 50 Hz, 1 min IEC 60255-27 |
Specifications may be subject to change without notice