Product Model
RM4TR34
Selling Points
- 1Phase Failure Detection: Monitors and detects phase failures, ensuring reliable operation in industrial settings.
- 2Adjustable Time Delay: Offers adjustable time delay settings from 0.1 to 10 seconds for customizable control sequences.
- 3Overvoltage and Undervoltage Detection: Protects against overvoltage and undervoltage conditions, ensuring safe operation.
- 4High Switching Accuracy: Provides high switching accuracy with a setting accuracy of +/-3% and drift of <=0.06% per degree centigrade.
- 5Compliant with IEC Standards: Meets IEC 60664-1 standards with a rated insulation voltage of 500 V and supply frequency of 50/60 Hz.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Range of Product | Harmony Relay | Relay Type | Control relay |
Product or Component Type | Industrial measurement and control relays | Product Specific Application | For 3-phase supply |
Relay name | RM4-T | Relay monitored parameters | Phase failure detection<br />Overvoltage and undervoltage detection<br />Phase sequence |
time delay | Adjustable 0.1...10 s | Output contacts | 2 C/O |
Contacts type and composition | 2 C/O | Poles description | 3P |
[Ie] rated operational current | 2 A 158 °F (70 °C) 24 V DC-13 IEC 60947-5-1/1991<br />2 A 158 °F (70 °C) 24 V DC-13 VDE 0660<br />3 A 158 °F (70 °C) 115 V AC-15 IEC 60947-5-1/1991<br />3 A 158 °F (70 °C) 115 V AC-15 VDE 0660<br />3 A 158 °F (70 °C) 24 V AC-15 IEC 60947-5-1/1991<br />3 A 158 °F (70 °C) 24 V AC-15 VDE 0660<br />3 A 158 °F (70 °C) 250 V AC-15 IEC 60947-5-1/1991<br />3 A 158 °F (70 °C) 250 V AC-15 VDE 0660<br />0.1 A 158 °F (70 °C) 250 V DC-13 IEC 60947-5-1/1991<br />0.1 A 158 °F (70 °C) 250 V DC-13 VDE 0660<br />0.3 A 158 °F (70 °C) 115 V DC-13 IEC 60947-5-1/1991<br />0.3 A 158 °F (70 °C) 115 V DC-13 VDE 0660 | Maximum switching voltage | 440 V AC |
Control threshold overvoltage | 440 V | Setting accuracy of the switching threshold | +/-3 % |
Switching threshold drift | <= 0.06 % per degree centigrade depending permissible ambient air temperature<br /><= 0.5 % within the measuring range | Setting accuracy of time delay | 10 P |
Time delay drift | <= 0.07 % per degree centigrade depending on the rated operational temperature<br /><= 0.5 % within the measuring range | Hysteresis | 5 % fixed de-energisation threshold |
delay at power up | 650 ms | Maximum measuring cycle | 80 ms |
[Ui] rated insulation voltage | 500 V IEC | Supply frequency | 50/60 Hz +/- 5 % |
Operating position | Any position without derating | Connections - terminals | Screw terminals, 2 x 1.5 mm²flexible with cable end<br />Screw terminals, 2 x 2.5 mm²flexible without cable end |
Tightening torque | 5.3…9.7 lbf.in (0.6…1.1 N.m) | Mechanical durability | 30000000 cycles |
[Ith] conventional free air thermal current | 8 A | Switching capacity in mA | 10 mA 12 V |
Switching voltage | 250 V AC | Contacts material | 90/10 silver nickel contacts |
Number of cables | 2 | Height | 3.07 in (78 mm) |
Width | 0.9 in (22.5 mm) | Depth | 3.1 in (80 mm) |
Terminals description ISO n°1 | (15-16-18)OC<br />(25-26-28)OC<br />(L1-L2-L3)CO | Output relay state | Tripped, fault present |
9 mm pitches | 2.5 | Net Weight | 0.24 lb(US) (0.11 kg) |
Electromagnetic compatibility | 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 />Resistance to electrostatic discharge - test level: 6 kV (contact) conforming to IEC 61000-4-2 level 3<br />Resistance to electrostatic discharge - test level: 8 kV (air) conforming to IEC 61000-4-2 level 3 | Standards | EN/IEC 60255-6 |
Product Certifications | UL<br />GL<br />CSA | marking | CE |
Directives | 73/23/EEC - low voltage directive<br />89/336/EEC - electromagnetic compatibility | Ambient Air Temperature for Storage | -40…185 °F (-40…85 °C) |
Ambient air temperature for operation | -4…149 °F (-20…65 °C) | Relative humidity | 15…85 % 3K3 IEC 60721-3-3 |
Vibration resistance | 0.35 ms 10…55 Hz)IEC 60068-2-6 | Shock resistance | 15 gn 11 ms IEC 60068-2-27 |
IP degree of protection | IP20 IEC 60529 terminals)<br />IP50 IEC 60529 casing) | Pollution degree | 3 IEC 60664-1 |
Overvoltage category | III IEC 60664-1 | Dielectric test voltage | 2.5 kV |
Non-dissipating shock wave | 4.8 kV | Resistance to electrostatic discharge | 6 kV contact IEC 61000-4-2 level 3<br />8 kV air IEC 61000-4-2 level 3 |
Resistance to electromagnetic fields | 9.1 V/m (10 V/m) IEC 61000-4-3 level 3 | Resistance to fast transients | 2 kV IEC 61000-4-4 level 3 |
Disturbance radiated/conducted | CISPR 11 group 1 - class A<br />CISPR 22 - class A |
Specifications may be subject to change without notice