RM17UB310
Product ID:33339
Updated: 2026/4/3
Key Features
- 1Set precise delay times from 0.3 to 30 seconds for control. 2、Detect overvoltage and undervoltage between phases and neutral. 3、Ensure long-term performance with a 502.2-year MTTFd. 4、Mount easily on 35 mm symmetrical DIN rails. 5、Operate within a wide 183-528V AC range.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Harmony Control Relays | Relay Type | Voltage control relay |
| Product or Component Type | 3-phase control relay | Product Specific Application | For 3-phase supply |
| Relay name | RM17UB3 | Relay monitored parameters | Overvoltage and undervoltage between phases |
| time delay | Adjustable 0.3...30 s, 0 + 10 % Tt- time delay upon fault | Switching capacity in VA | 1250 VA |
| Measurement range | 220...480 V AC | Contacts type and composition | 1 C/O |
| Reset time | 1500 ms time delay | Maximum switching voltage | 250 V AC/DC |
| Minimum switching current | 10 mA 5 V DC | Maximum switching current | 5 A AC/DC |
| Supply voltage limits | 183…528 V AC | Power consumption in VA | 0…22 VA 400 V AC 50 Hz |
| Control circuit frequency | 50...60 Hz +/- 10 % | Voltage detection threshold | 183 V |
| Output contacts | 1 C/O | Nominal output current | 5 A |
| Hysteresis | 2 % | Measurement accuracy | +/- 10 % of the full scale value |
| delay at power up | 650 ms | Maximum measuring cycle | 150 ms measurement cycle as true rms value |
| Threshold adjustment voltage | 2...20 % of Un selected<br />-2...-17 % in the range 220 V AC<br />+2...+10 % in the range 480 V AC<br />-2...-12 % in the range 208 V AC | Repeat accuracy | +/- 0.5 % input and measurement circuit<br />+/- 1 % time delay |
| Measurement error | < 1 % over the whole range with voltage variation<br />0.05 %/°C with temperature variation | Response time | < 200 ms (in the event of a fault) |
| Quality labels | CE | Insulation resistance | > 500 MOhm 500 V DC IEC 60255-5<br />> 500 MOhm 500 V DC IEC 60664-1 |
| Operating position | Any position without derating | Local signalling | for power ON LED (green)<br /> for relay ON LED (yellow) |
| Overvoltage category | III IEC 60664-1 | [Ui] rated insulation voltage | 400 V IEC 60664-1 |
| 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...2 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 | 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<br />DC-14 IEC 60947-5-1 |
| [Un] rated nominal voltage | , self-powered | Safety reliability data | B10d = 470000<br />MTTFd = 502.2 years |
| Control Type | Without test button | Width | 0.7 in (17.5 mm) |
| Net Weight | 0.18 lb(US) (0.08 kg) | 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 NF EN/IEC 61000-6-2 |
| Ambient air temperature for operation | -4…122 °F (-20…50 °C) | 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 | 5 gn IEC 60068-2-27 | Standards | IEC 60255-1 |
| Product Certifications | GOST<br />UL<br />GL<br />C-tick<br />CSA | Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C) |
| Relative humidity | 95 % 131 °F (55 °C) IEC 60068-2-30 | IP degree of protection | IP20 IEC 60529 terminals)<br />IP30 IEC 60529 casing) |
| Pollution degree | 3 IEC 60664-1 | Directives | 89/336/EEC - electromagnetic compatibility<br />73/23/EEC - low voltage directive |
| Dielectric test voltage | 2 kV AC 50 Hz, 1 min | Non-dissipating shock wave | 4 kV |
Specifications may be subject to change without notice