RM17TT00
Product ID:33334
Updated: 2026/7/14
Key Features
- 1Detect phase failure, sequence, and asymmetry for comprehensive monitoring.
- 2Install easily on standard DIN rails in control panels.
- 3Measure voltage and current with high accuracy for reliability.
- 4Automatically identify power faults for quick troubleshooting.
- 5Apply in hoisting, packaging, lifts, and water systems.
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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
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