The RM22TA31 is a 3-phase control relay with a selectable memory function, integral LED, and sealable cover, designed for precise control and monitoring in industrial settings.
Product ModelRM22TA31
Product ID33888
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeaturePrecise control and monitoring in industrial settings
2
FeatureSelectable memory function for customizable settings
3
FeatureIntegral LED for indicating control status
4
FeatureSealable cover for protection and durability
5
FeatureSimple and precise settings with screw trimmers
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
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
RM22TA
Relay monitored parameters
AsymmetryPhase failure detectionPhase sequence
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
200...240 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
160...288 V AC
operating limits
- 20 % + 20 % Un
Power consumption in VA
10 VA 240 V AC 60 Hz
Voltage detection threshold
< 100 V AC
supply voltage frequency
50...60 Hz +/- 10 %
Output contacts
2 C/O
Setting accuracy of the switching threshold
+/- 10 % of the full scale
Switching threshold drift
<= 0.05 % per degree centigrade depending permissible ambient air temperature<= 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<= 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
Voltage range
200...240 V phase to phase
Adjustment of asymmetry threshold
5...15 % of Un selected
Repeat accuracy
+/- 0.5 % input and measurement circuit+/- 3 % time delay
Measurement error
< 1 % over the whole range with voltage variation< 0.05 %/°C with temperature variation
Response time
<= 300 ms
Overvoltage category
III IEC 60664-1III 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 endScrew terminals, 2 x 0.2...2 x 1.5 mm² AWG 24...AWG 16) flexible with cable endScrew terminals, 1 x 0.5...1 x 3.3 mm² AWG 20...AWG 12) solid without cable endScrew terminals, 1 x 0.2...1 x 2.5 mm² AWG 24...AWG 14) flexible with cable end
Immunity for residential, commercial and light-industrial environments conforming to IEC 61000-6-1Immunity for industrial environments conforming to IEC 61000-6-2Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3Emission standard for industrial environments conforming to IEC 61000-6-4Electrostatic discharge - test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2Electrostatic discharge - test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m level 3 conforming to IEC 61000-4-3Electrical fast transient/burst immunity test - test level: 4 kV level 4 (direct) conforming to IEC 61000-4-4Electrical fast transient/burst immunity test - test level: 2 kV level 4 (capacitive coupling) conforming to IEC 61000-4-4Surge immunity test - test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5Surge immunity test - test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5Conducted and radiated emissions class B group 1 conforming to CISPR 11Conducted and radiated emissions class B conforming to CISPR 22
0.075 mm 10...58.1 Hz) not in operation IEC 60068-2-61 gn 10...58.1 Hz) not in operation IEC 60068-2-60.035 mm 58.1...150 Hz) in operation IEC 60068-2-60.5 gn 58.1...150 Hz) in operation IEC 60068-2-6
Shock resistance
15 gn 11 ms) not in operation IEC 60068-2-275 gn 11 ms) in operation IEC 60068-2-27
