Product Model
RM17TA00
Selling Points
- 1Detects phase asymmetry, sequence, and failure for reliable 3-phase power system monitoring.
- 2Measures 17.5 mm wide, perfect for DIN rail mounting in industrial environments.
- 3Handles up to 5 A at 250 VAC, ensuring robust performance in demanding applications.
- 4Compatible with 208 to 480 VAC, making it suitable for a wide range of industrial settings.
- 5Features adjustable time delay (0.1 to 10 seconds) and high switching capacity (1250 VA).
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Range of Product | Harmony Control Relays | Relay Type | Multifunction control relay |
Product Specific Application | For 3-phase supply | Relay name | RM17TA |
Relay monitored parameters | Asymmetry<br />Phase sequence<br />Phase failure detection | Measurement range | 208...480 V AC |
time delay | Adjustable 0.1...10 s, +/- 10 % of the full scale value Tt- time delay upon fault | Output contacts | 1 C/O |
Nominal output current | 5 A | Contacts type and composition | 1 C/O |
[Uc] control circuit voltage | 208...480 V | [Un] rated nominal voltage | , self-powered |
Supply voltage limits | 183…528 V AC | Reset time | 1500 ms time delay |
Maximum switching voltage | 250 V AC<br />250 V DC | Switching capacity in VA | 1250 VA |
Minimum switching current | 10 mA 5 V DC | Maximum switching current | 5 A AC<br />5 A DC |
Control circuit voltage limits | - 12 % + 10 % Un | Power consumption in VA | 0…22 VA 400 V AC 50 Hz |
Control circuit frequency | 50...60 Hz +/- 10 % | Measurement voltage limits | 183…528 V AC |
Hysteresis | 2 % | delay at power up | 650 ms |
Maximum measuring cycle | 150 ms measurement cycle as true rms value | Voltage range | 208...480 V phase to phase |
Adjustment of asymmetry threshold | 5...15 % of Un selected | Repeat accuracy | 0.5 % input and measurement circuit<br />3 % time delay |
Measurement error | < 0.05 %/°C with temperature variation<br />< 1 % over the whole range with voltage variation | Phase failure sensitivity | 0.7 Un |
Response time | < 200 ms (in the event of a fault) | Insulation resistance | > 500 MOhm 500 V DC IEC 60255-5<br />> 500 MOhm 500 V DC IEC 60664-1 |
[Ui] rated insulation voltage | 400 V IEC 60664-1 | Supply frequency | 50/60 Hz +/- 10 % |
Operating position | Any position without derating | Connections - terminals | Screw terminals, 1 x 0.5...1 x 4 mm² AWG 20...AWG 11) solid without cable end<br />Screw terminals, 2 x 0.5...2 x 2.5 mm² AWG 20...AWG 14) solid without cable end<br />Screw terminals, 1 x 0.2...1 x 2.5 mm² AWG 24...AWG 12) flexible with cable end<br />Screw terminals, 2 x 0.2...2 x 1.5 mm² AWG 24...AWG 16) 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 |
Local signalling | for power ON LED (green)<br /> for relay ON LED (yellow) | Mounting support | 35 mm symmetrical DIN rail conforming to IEC 60715 |
Electrical durability | 100000 cycles | Mechanical durability | 30000000 cycles |
Operating rate | <= 360 operations/hour full load | Utilisation category | AC-12 IEC 60947-5-1<br />AC-13 IEC 60947-5-1<br />AC-14 IEC 60947-5-1<br />AC-15 IEC 60947-5-1<br />DC-12 IEC 60947-5-1<br />DC-13 IEC 60947-5-1 |
Safety reliability data | MTTFd = 502.2 years<br />B10d = 470000 | Width | 0.7 in (17.5 mm) |
Net Weight | 0.29 lb(US) (0.13 kg) | Control Type | Without test button |
Electromagnetic compatibility | Emission standard for industrial environments conforming to IEC 61000-6-4<br />Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3<br />Immunity for industrial environments conforming to IEC 61000-6-2 | Standards | IEC 60255-1 |
Product Certifications | GOST<br />CSA<br />GL<br />C-tick<br />UL | marking | CE |
Directives | 89/336/EEC - electromagnetic compatibility<br />73/23/EEC - low voltage directive | Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C) |
Ambient air temperature for operation | -4…122 °F (-20…50 °C) | Relative humidity | 95 % 131 °F (55 °C) IEC 60068-2-30 |
Vibration resistance | 0.35 mm 5…57.6 Hz)IEC 60068-2-6<br />1 gn 57.6…150 Hz)IEC 60255-21-1 | Shock resistance | 15 gn 11 ms IEC 60255-21-1 |
IP degree of protection | IP20 IEC 60529 terminals)<br />IP30 IEC 60529 casing) | Pollution degree | 3 IEC 60664-1 |
Overvoltage category | III IEC 60664-1 | Dielectric test voltage | 2 kV AC 50 Hz, 1 min IEC 60255-5<br />2 kV AC 50 Hz, 1 min IEC 60664-1 |
Non-dissipating shock wave | 4 kV IEC 60255-5<br />4 kV IEC 60664-1<br />4 kV IEC 61000-4-5 |
Specifications may be subject to change without notice