RM22UA21MR

Name: RM22UA21MR
Brand: Schneider
SKU: RM22UA21MR

The RM22UA21MR is an overvoltage control relay designed for reliable voltage monitoring and control.

Product ModelRM22UA21MR

Product ID33897

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHigh reliability in voltage monitoring and control.
2
FeatureAdjustable threshold settings for customizable protection.
3
FeatureCompact design with 8A current rating.
4
FeatureSuitable for both AC and DC voltage ranges.
5
FeatureFast response time of 10 ms for quick action.

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

Voltage control relay

Product or Component Type

Voltage control relay

Phase

1 phase

Supply circuit type

Relay name

RM22UA

Relay monitored parameters

Overvoltage detection

Switching capacity in VA

2000 VA

Measurement range

0.05...5 V AC/DC

Contacts type and composition

2 C/O

Reset time

1500 ms at maximum voltage

Maximum switching voltage

250 V AC

Minimum switching current

10 mA 5 V DC

Maximum switching current

8 A AC

Supply voltage limits

20.4...264 V AC/DC

Power consumption in VA

3.5 VA AC

Maximum power consumption in W

1.5 W DC

Immunity to microbreaks

10 ms

Resistance across terminals

30 kOhm E2-M terminals5 kOhm E1-M terminals50 kOhm E3-M terminals

Output contacts

2 C/O

Hysteresis

5...50 % adjustable threshold setting

delay at power up

600 ms

Maximum measuring cycle

100 ms measurement cycle as true rms value

Repeat accuracy

+/- 0.5 % input and measurement circuit

Measurement error

< 1 % over the whole range with voltage variation0.05 %/°C with temperature variation

Response time

<= 500 ms

Insulation resistance

> 100 MOhm 500 V DC

Overvoltage category

III IEC 60664-1

Insulation

Between supply and measurement

Connections - terminals

Screw terminals, 2 x 0.5...2 x 2.5 mmÂ² AWG 20...AWG 14) solid without cable endScrew terminals, 2 x 0.2...2 x 1.5 mmÂ² AWG 24...AWG 16) flexible with cable endScrew terminals, 1 x 0.5...1 x 3.3 mmÂ² AWG 20...AWG 12) solid without cable endScrew terminals, 1 x 0.2...1 x 2.5 mmÂ² AWG 24...AWG 14) 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 DIN rail conforming to IEC 60715

Electrical durability

100000 cycles

Mechanical durability

10000000 cycles

Utilisation category

AC-15 IEC 60947-5-1DC-13 IEC 60947-5-1AC-1 IEC 60947-4-1DC-1 IEC 60947-4-1

[Un] rated nominal voltage

24...240 V AC/DC 50/60 Hz, non self-powered

Safety reliability data

B10d = 290000MTTFd = 308.2 years

Contacts material

Cadmium free

Control Type

With test button

Width

0.9 in (22.5 mm)

Net Weight

0.24 lb(US) (0.11 kg)

Electromagnetic compatibility

Immunity for residential, commercial and light-industrial environments conforming to IEC 61000-6-1Immunity for industrial environments conforming to IEC 61000-6-2Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3Emission standard for industrial environments conforming to IEC 61000-6-4Electrostatic discharge - test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2Electrostatic discharge - test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m level 3 conforming to IEC 61000-4-3Electrical fast transient/burst immunity test - test level: 4 kV level 4 (direct) conforming to IEC 61000-4-4Electrical fast transient/burst immunity test - test level: 2 kV level 4 (capacitive coupling) conforming to IEC 61000-4-4Surge immunity test - test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5Surge immunity test - test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5Conducted and radiated emissions class B group 1 conforming to CISPR 11Conducted and radiated emissions class B conforming to CISPR 22

Ambient air temperature for operation

-4...122 °F (-20...50 °C) 60 Hz -4...140 °F (-20...60 °C) 50 Hz

Standards

IEC 60255-1

Product Certifications

ULEACCSAGLCCCRCMCE

Ambient Air Temperature for Storage

-40...158 °F (-40...70 °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 60068-2-61 gn 10...58.1 Hz) not in operation IEC 60068-2-60.035 mm 58.1...150 Hz) in operation IEC 60068-2-60.5 gn 58.1...150 Hz) in operation IEC 60068-2-6

Shock resistance

15 gn 11 ms) not in operation IEC 60068-2-275 gn 11 ms) in operation IEC 60068-2-27

IP degree of protection

IP20 IEC 60529 terminals)IP40 IEC 60529 housing)IP50 IEC 60529 front panel)

Pollution degree

3 IEC 60664-1

Dielectric test voltage

2.5 kV AC 50 Hz, 1 min IEC 60255-27