Product Model
RM22UA33MT
Selling Points
- 1Adjustable Time Delay: Set time delays from 0.1 to 30 seconds with ±10% accuracy.
- 2Over/Undervoltage Detection: Monitor and control voltages within a 15-500 V AC range.
- 3High Switching Capacity: Handle up to 2000 VA with 2 C/O contacts.
- 4Durable Construction: Built with self-extinguishing plastic and designed for 100,000 electrical cycles.
- 5Versatile Mounting Options: Compatible with any position and DIN rail mounting for easy installation.
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 | Overvoltage or undervoltage detection<br />Undervoltage and overvoltage in window mode | 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 | 15...500 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 | 323…456.5 V AC |
Power consumption in VA | 8 VA AC | Immunity to microbreaks | 10 ms |
Resistance across terminals | 150 kOhm E2-M terminals<br />300 kOhm E1-M terminals<br />500 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 | 380...415 V AC 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 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<br />Emission standard for residential, commercial and light-industrial environments (except radiated emission) conforming to IEC 61000-6-3 |
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 | RCM<br />GL<br />CCC<br />CSA<br />UL<br />EAC<br />CE | 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