Product Model
RM35HZ21FM

Selling Points
- 10.1 to 10 seconds with ±10% accuracy.
- 2Two independent C/O outputs for reliable monitoring.
- 340 to 70 Hz, suitable for various industrial applications.
- 435 mm width, perfect for DIN rail mounting.
- 5Meets IEC 60255-6 and NF EN 60255-6 standards, ensuring robust performance.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Range of Product | Harmony Control Relays | Relay Type | Frequency control relays |
Product or Component Type | Frequency control relay | Relay name | RM35HZ21FM |
Relay monitored parameters | Overfrequency and underfrequency 50 or 60 Hz | Time delay type | Adjustable 0.1...10 s, +/- 10 % Tt- time delay upon fault |
Switching capacity in VA | 1250 VA | Minimum switching current | 10 mA 5 V DC |
Maximum power consumption in VA | 6 VA AC | Measurement range | 40...70 Hz |
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 | Reset time | 2000 ms time delay |
Maximum switching voltage | 250 V AC/DC | [Us] rated supply voltage | 120...277 V AC |
[Un] rated nominal voltage | 120...277 V AC, non self-powered | Supply voltage limits | 102…308 V AC |
Control circuit frequency | 40...70 Hz | Width | 1.4 in (35 mm) |
Output contacts | 1 C/O + 1 C/O | Contacts material | Cadmium free |
Nominal output current | 5 A | maximum input frequency | 70 Hz |
Maximum measuring cycle | 200 ms measurement cycle as true rms value | delay at power up | 0.5 s |
Hysteresis | 0.3 % fixed | Measurement accuracy | +/- 10 % of the full scale value in input<br />+/- 10 % of the full scale value in time delay |
Repeat accuracy | +/- 0.5 % input and measurement circuit<br />+/- 0.5 % time delay | Measurement error | +/- 0.05 %/°C with temperature variation<br />< +/- 1 % over the whole range with voltage variation |
Threshold setting | -2...10 Hz<br />-10...2 Hz | marking | CE : 73/23/EEC<br />CE : EMC 89/336/EEC |
Overvoltage category | III IEC 60664-1 | Insulation resistance | > 500 MOhm 500 V DC between supply and relay output IEC 60255-5<br />> 500 MOhm 500 V DC between measurement and relay output IEC 60664-1<br />> 1 MOhm 500 V DC between supply and measurement IEC 60255-5<br />> 500 MOhm 500 V DC between supply and relay output IEC 60664-1<br />> 500 MOhm 500 V DC between measurement and relay output IEC 60255-5<br />> 1 MOhm 500 V DC between supply and measurement IEC 60664-1 |
[Ui] rated insulation voltage | 400 V IEC 60664-1 | operating voltage tolerance | - 15 % + 10 % Un |
Supply frequency | 50/60 Hz +/- 10 % | Insulation | No galvanic insulation between supply and measurement |
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 | 1 LED Green power ON<br />1 LED Yellow correct frequency (high R1)<br />1 LED Yellow correct frequency (low R2) | 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 | Control Type | Without test button |
Immunity to microbreaks | 10 ms | Electromagnetic compatibility | Emission standard for industrial environments IEC 61000-6-4<br />Emission standard for residential, commercial and light-industrial environments IEC 61000-6-3<br />Immunity for industrial environments NF EN/IEC 61000-6-2 |
Standards | IEC 60255-6<br />NF EN 60255-6 | Product Certifications | GL<br />UL<br />CSA<br />C-tick<br />GOST |
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/IEC 60255-21-1<br />1 gn 57.6…150 Hz)IEC 60068-2-6/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 | Dielectric test voltage | 2 kV AC 50 Hz |
Non-dissipating shock wave | 4 kV |
Specifications may be subject to change without notice