RM35HZ21FM

Name: RM35HZ21FM
Brand: Schneider
SKU: RM35HZ21FM

The RM35HZ21FM is a modular control relay designed for monitoring frequency variations in electrical power sources.

Product ModelRM35HZ21FM

Product ID33911

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureIdeal for monitoring frequency variations in electrical power sources like wind turbines and micro-power stations.
2
FeatureFeatures adjustable time delay for precise control.
3
FeatureCompliant with EU RoHS Directive and China RoHS Regulation for environmental sustainability.
4
FeatureMercury-free and RoHS compliant for safe and eco-friendly operation.
5
FeatureTransparent cover offers tamper protection and reduces maintenance.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

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 60947-5-1AC-13 IEC 60947-5-1AC-14 IEC 60947-5-1AC-15 IEC 60947-5-1DC-12 IEC 60947-5-1DC-13 IEC 60947-5-1DC-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+/- 10 % of the full scale value in time delay

Repeat accuracy

+/- 0.5 % input and measurement circuit+/- 0.5 % time delay

Measurement error

+/- 0.05 %/°C with temperature variation< +/- 1 % over the whole range with voltage variation

Threshold setting

-2...10 Hz-10...2 Hz

marking

CE : 73/23/EECCE : 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> 500 MOhm 500 V DC between measurement and relay output IEC 60664-1> 1 MOhm 500 V DC between supply and measurement IEC 60255-5> 500 MOhm 500 V DC between supply and relay output IEC 60664-1> 500 MOhm 500 V DC between measurement and relay output IEC 60255-5> 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 mmÂ² AWG 20...AWG 11) solid without cable endScrew terminals, 2 x 0.5...2 x 2.5 mmÂ² AWG 20...AWG 14) solid without cable endScrew terminals, 1 x 0.2...1 x 2.5 mmÂ² AWG 24...AWG 12) flexible with cable endScrew terminals, 2 x 0.2...2 x 1.5 mmÂ² 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 ON1 LED Yellow correct frequency (high R1)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 61000-6-4Emission standard for residential, commercial and light-industrial environments IEC 61000-6-3Immunity for industrial environments NF EN/IEC 61000-6-2

Standards

IEC 60255-6NF EN 60255-6

Product Certifications

GLULCSAC-tickGOST

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 60255-21-11 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)IP30 IEC 60529 casing)

Pollution degree

3 IEC 60664-1

Dielectric test voltage

2 kV AC 50 Hz

Non-dissipating shock wave

4 kV