RMNF22TB30
Product ID:33298
Updated: 2026/4/3

Key Features
- 1Detect overfrequency, underfrequency, phase sequence, and asymmetry for comprehensive power monitoring. 2、Ensure reliable operation in industrial environments with robust, durable components. 3、Integrate easily into existing control panels via standard DIN rail mounting. 4、Compatible with 208-480 VAC line-to-line and 120-277 VAC line-to-neutral voltages. 5、Adjust time delays and customize settings using the Zelio NFC mobile application.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Harmony Control Relays | Relay Type | Control relay |
| Product or Component Type | NFC control relay | Phase | 3 phase |
| Relay name | RMNF22 | Relay monitored parameters | Phase sequence<br />Phase failure detection<br />Overvoltage detection<br />Undervoltage detection<br />Overfrequency and underfrequency<br />Asymmetry |
| App for product | Ecostruxure Industrial Device downloadable from Google Play store or Apple Store) | Product Compatibility | NFC enabled mobile device |
| Time delay type | Adjustable 0.1 s...1 min Tt- time delay upon fault | Switching capacity in VA | 2000 VA |
| NFC operating frequency | 13.56 MHz | Maximum RF power transmitted | 0.0002 mW |
| Reset time | 1500 ms at maximum voltage | Maximum switching voltage | 250 V AC |
| Minimum switching current | 100 mA 6 V | Maximum switching current | 8 A AC |
| Supply voltage limits | 166.4…576 V AC line to line<br />96…332.4 V AC line to neutral | Power consumption in VA | 4 VA 480 V AC 60 Hz |
| On-load factor | 100 % | supply voltage frequency | 50...60 Hz +/- 10 % |
| Output contacts | 2 C/O | Measurement range | 208...480 V AC |
| Setting accuracy of the switching threshold | +/- (1.5 % + 1 V) | Setting accuracy of time delay | +/- 3 % 10 s...60 min<br />+/- 300 ms 0...10 s |
| Hysteresis | 3 % fixed phase failure detection | Alarm threshold | 166...576 V adjustable overvoltage and undervoltage detection (line to line)<br />96...332 V adjustable overvoltage and undervoltage detection (line to neutral)<br />5...150 V adjustable asymmetry<br />45...66 Hz adjustable overfrequency or underfrequency |
| Run-up delay at power-up max | 650 ms | Maximum measuring cycle | 150 ms measurement cycle as true rms value |
| Threshold adjustment voltage | 2...20 % of Un selected | Adjustment of asymmetry threshold | 2...20 % of Un selected |
| Repeat accuracy | +/- 0.5 % input circuit<br />+/- 3 % time delay | Measurement error | < 0.05 %/Hz with frequency variation<br />< 0.05 %/°C with temperature variation |
| Response time | <= 300 ms | Insulation resistance | > 100 MOhm 500 V DC IEC 60255-27 |
| [Ui] rated insulation voltage | 400 V | [Uimp] rated impulse withstand voltage | 4 kV 1.2/50 µs |
| Dielectric test voltage | 2.5 kV AC 50 Hz, 1 min IEC 60255-27 | Mounting position | Any position |
| Connections - terminals | Screw terminals, 2 x 0.5...2 x 2.5 mm² AWG 20...AWG 14) solid without cable end<br />Screw terminals, 2 x 0.5...2 x 1.5 mm² AWG 20...AWG 16) flexible with cable end<br />Screw terminals, 1 x 0.5...1 x 3.3 mm² AWG 20...AWG 12) solid without cable end<br />Screw terminals, 1 x 0.5...1 x 2.5 mm² AWG 20...AWG 14) flexible with cable end | Tightening torque | 5.3…8.9 lbf.in (0.6…1 N.m) IEC 60947-1<br />5.3…8.8 lbf.in (0.6…1.0 N.m) IEC 60947-1 |
| Housing material | Self-extinguishing plastic | Local signalling | Un, green LED steady)power ON<br />R1, amber LED steady)relay energised<br />R1, amber LED blinking)timing in progress<br />R2, amber LED steady)relay energised<br />R2, amber LED blinking)timing in progress<br />PL, red LED steady)alarm phase failure triggered<br />PS, red LED blinking)alarm phase sequence failure triggered<br />UV, red LED steady)alarm undervoltage failure triggered<br />OV, red LED blinking)alarm overvoltage failure triggered<br />UF, red LED steady)alarm underfrequency failure triggered<br />OF, red LED blinking)alarm overfrequency failure triggered<br />ASYM, red LED steady)alarm asymmentry failure triggered |
| Mounting support | 35 mm DIN rail conforming to IEC 60715 | Electrical durability | 100000 cycles |
| Mechanical durability | 10000000 cycles | Utilisation category | AC-15 IEC 60947-5-1<br />DC-13 IEC 60947-5-1<br />AC-1 IEC 60947-4-1<br />DC-1 IEC 60947-4-1 |
| [Ith] conventional free air thermal current | 8 A | [Un] rated nominal voltage | 208...480 V AC 50/60 Hz, non self-powered<br />120...277 V AC 50/60 Hz, non self-powered |
| Operating system | Androidversion >= V7.0<br />IOSversion >= V14.5 | Contacts material | Cadmium free |
| Control Type | Without test button | Width | 0.9 in (22.5 mm) |
| Height | 3.5 in (90 mm) | Depth | 3.9 in (99 mm) |
| Contacts type and composition | 2 C/O | Net Weight | 0.276 lb(US) (0.125 kg) |
| Immunity to microbreaks | 10 ms | Electromagnetic compatibility | Voltage dips and interruptions immunity test - test level: 70 % (25/30 cycles) conforming to IEC 61000-4-11<br />Electrostatic discharge - test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2<br />Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m level 3 conforming to IEC 61000-4-3<br />Immunity for industrial environments conforming to IEC 61000-6-2<br />1 MHz damped oscillating wave - test level: 2.5 kV CM, 1 kV DM criteria B conforming to IEC 61000-4-18<br />Voltage dips and interruptions immunity test - test level: 0 % (0.5...25 cycles) conforming to IEC 61000-4-11<br />Magnetic field at power frequency - test level: 30 A/m (continuous)-300 A/m (1-3 s) level 4 conforming to IEC 61000-4-8<br />Surge immunity test - test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5<br />Immunity for residential, commercial and light-industrial environments conforming to IEC 61000-6-1<br />Voltage dips and interruptions immunity test - test level: 40 % (10/12 cycles) conforming to IEC 61000-4-11<br />Voltage interruptions - test level: 0 % criteria C (250/300 cycles) conforming to IEC 61000-4-29<br />Electrical fast transient/burst immunity test - test level: 4 kV criteria B (direct) conforming to IEC 61000-4-4<br />Emission standard for industrial environments conforming to IEC 61000-6-4<br />Surge immunity test - test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5<br />Electrostatic discharge - test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2<br />Conducted RF disturbances level 3 conforming to IEC 61000-4-6 |
| Standards | IEC 60255-1 | Product Certifications | CE<br />UL<br />CSA<br />CCC<br />EAC<br />RCM |
| Directives | 2014/30/EU - electromagnetic compatibility<br />2014/35/EU - low voltage directive<br />2014/53/EU - radio equipment directive | Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C) |
| Ambient air temperature for operation | -4…140 °F (-20…60 °C) | Relative humidity | 93…97 % 77…131 °F (25…55 °C) IEC 60068-2-30 |
| Vibration resistance | 0.075 mm 10…58.1 Hz) not in operation IEC 60068-2-6<br />1 gn 58.1…150 Hz) not in operation IEC 60068-2-6<br />0.035 mm 10…58.1 Hz) in operation IEC 60068-2-6<br />0.5 gn 58.1…150 Hz) in operation IEC 60068-2-6 | Shock resistance | 15 gn 11 ms) not in operation IEC 60068-2-27<br />5 gn 11 ms) in operation IEC 60068-2-27 |
| IP degree of protection | IP20 IEC 60529 terminals)<br />IP40 IEC 60529 housing)<br />IP40 IEC 60529 front panel) | Pollution degree | 3 IEC 60664-1<br />3 UL 508 |
| Overvoltage category | III IEC 60664-1<br />III UL 508 |
Specifications may be subject to change without notice
