RM22TR33
Product ID:33432
Updated: 2026/4/3

Key Features
- 1Detect phase sequence, overvoltage, and undervoltage in 3-phase networks. 2、Install easily with modular DIN rail mounting in control panels. 3、Adjust time delay from 0.1 to 30 seconds for custom monitoring. 4、Ensure reliability with IEC standards compliance for industrial use. 5、Save space with a slim 22.5 mm width in constrained applications.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Harmony Control Relays | Relay Type | Control relay |
| Product or Component Type | 3-phase control relay | Phase | 3 phase |
| Relay name | RM22TR | Relay monitored parameters | Overvoltage and undervoltage detection<br />Phase sequence<br />Phase failure detection |
| Time delay type | Adjustable 0.1...30 s, +/- 10 % of the full scale value Tt- time delay upon fault | Switching capacity in VA | 2000 VA |
| Measurement range | 380...480 V voltage AC | 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 |
| [Us] Rated Supply Voltage | AC/DC | Supply voltage limits | 304…576 V AC |
| operating limits | - 20 % + 20 % Un | Power consumption in VA | 15 VA 480 V AC 60 Hz |
| Voltage detection threshold | < 100 V AC | supply voltage frequency | 50...60 Hz +/- 10 % |
| Output contacts | 2 C/O | Nominal output current | 8 A |
| Setting accuracy of the switching threshold | +/- 10 % of the full scale | Switching threshold drift | <= 0.05 % per degree centigrade depending permissible ambient air temperature<br /><= 1 % within the supply voltage range |
| Setting accuracy of time delay | 10 P | Time delay drift | <= 0.05 % per degree centigrade depending permissible ambient air temperature<br /><= 1 % within the supply voltage range |
| Hysteresis | 2 % fixed selectable | Run-up delay at power-up | 650 ms |
| Maximum measuring cycle | 150 ms measurement cycle as true rms value | Threshold adjustment voltage | 2...20 % of Un selected |
| Voltage range | 380...480 V phase to phase | Repeat accuracy | +/- 0.5 % input and measurement circuit<br />+/- 3 % time delay |
| Measurement error | < 1 % over the whole range with voltage variation<br />< 0.05 %/°C with temperature variation | Response time | <= 300 ms |
| Overvoltage category | III IEC 60664-1<br />III UL 508 | Insulation resistance | > 100 MOhm 500 V DC IEC 60255-27 |
| Mounting position | Any position | 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 |
| Status LED | LED (Yellow) relay ON<br />LED (Green) power ON | 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 | , self-powered |
| Safety reliability data | MTTFd = 388.1 years<br />B10d = 350000 | Contacts material | Cadmium free |
| Control Type | With test button | Width | 0.9 in (22.5 mm) |
| Net Weight | 0.20 lb(US) (0.09 kg) | Immunity to microbreaks | 10 ms |
| 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 | Standards | IEC 60255-1 |
| Product Certifications | GL<br />CSA<br />RCM<br />CE<br />EAC<br />CCC<br />UL | Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C) |
| Ambient air temperature for operation | -4…122 °F (-20…50 °C) 60 Hz<br />-4…140 °F (-20…60 °C) 50 Hz AC/DC | 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<br />3 UL 508 |
| Dielectric test voltage | 2.5 kV AC 50 Hz, 1 min IEC 60255-27 |
Specifications may be subject to change without notice
