RM17TT00
Product ID:33334
Updated: 2026/4/3
Key Features
- 1Detect phase failure, sequence, and asymmetry for comprehensive monitoring. 2、Install easily on standard DIN rails in control panels. 3、Measure voltage and current with high accuracy for reliability. 4、Automatically identify power faults for quick troubleshooting. 5、Apply in hoisting, packaging, lifts, and water systems.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Harmony Control Relays | Relay Type | Multifunction control relay |
| Product Specific Application | For 3-phase supply | Relay name | RM17TT |
| Relay monitored parameters | Phase failure detection<br />Phase sequence | Measurement range | 208...480 V AC |
| time delay | Without | 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 |
| 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 | UL<br />GL<br />C-tick<br />GOST<br />CSA |
| marking | CE | Directives | 73/23/EEC - low voltage directive<br />89/336/EEC - electromagnetic compatibility |
| 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