Specifications of RM22-UA Overvoltage and Undervoltage Control Relay
| Range of product | 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 | 15…500 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 | 150 kOhm at E2-M terminals 300 kOhm at E1-M terminals 500 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 | RCM UL EAC CSA CE GL CCC |
| 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 |
