Harmony Control Relays, Modular 3 phase Voltage Control Relay, 5A, 2CO, 220…480V AC

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Harmony Control Relays, Modular 3 phase Voltage Control Relay, 5A, 2CO, 220…480V AC

Item Number: RM35UB330



Qty UoM EAN Colour



Range of product

Harmony Control Relays

Product or component type

3-phase control relay

Sustainable offer status

Green Premium product


18 months


Connections - terminals

screw connectors

[in] rated current

5 A

Insulation resistance

> 500 MOhm at 500 V DC conforming to IEC 60255-5|> 500 MOhm at 500 V DC conforming to IEC 60664-1

Local signalling

LED (green) for power ON|LED (yellow) for relay ON

Connections - terminals

screw terminals, 1 x 0.5...1 x 4 mm² (AWG 20...AWG 11) solid without cable end|screw terminals, 2 x 0.5...2 x 2.5 mm² (AWG 20...AWG 14) solid without cable end|screw terminals, 1 x 0.2...2 x 2.5 mm² (AWG 24...AWG 12) flexible with cable end|screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) flexible with cable end

Mounting support

35 mm symmetrical DIN rail conforming to IEC 60715

Electrical durability

10000 cycles

Mechanical durability

30000000 cycles

Control type

without test button


35 mm

Net weight

0.08 kg

Ambient air temperature for operation

-20...50 °C


IEC 60255-1

Product certifications


Ambient air temperature for storage

-40...70 °C

Relative humidity

95 % at 55 °C conforming to IEC 60068...2-30

Ip degree of protection

IP20 (terminals) conforming to IEC 60529|IP30 (casing) conforming to IEC 60529

Reach regulation

Reference contains Substances of Very High Concern above the threshold

Eu rohs directive

Pro-active compliance (Product out of EU RoHS legal scope)

Mercury free


Rohs exemption information


China rohs regulation


Environmental disclosure


Circularity profile


California proposition 65

WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov


Package 2 bare product quantity


Package 1 bare product quantity


Relay type

voltage control relay

Product specific application

for 3-phase supply

Relay name


Relay monitored parameters

overvoltage and undervoltage between phases

Time delay type

adjustable 0.3...30 s, 0 + 10 % Tt- time delay upon fault

Switching capacity in va

1250 VA

Measurement range

208...480 V AC

Contacts type and composition

2 C/O

[uc] control circuit voltage

220...480 V

Reset time

1500 ms time delay

Maximum switching voltage

250 V AC/DC

Minimum switching current

10 mA at 5 V DC

Maximum switching current


Supply voltage limits

194...528 V AC

Power consumption in va

0...22 VA at 400 V AC 50 Hz

Control circuit frequency

50...60 Hz +/- 15 %

Voltage detection threshold

194 V

Output contacts

1 C/O + 1 C/O, 1 per threshold

Nominal output current

5 A


2 %

Measurement accuracy

+/- 10 % of the full scale value

Run-up 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|-12...-2 % in the range 220 V AC|+2...+10 % in the range 480 V AC

Repeat accuracy

+/- 0.5 % for input and measurement circuit|+/- 1 % for time delay

Measurement error

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

Response time

< 200 ms (in the event of a fault)

Quality labels


Operating position

any position without derating

Overvoltage category

III conforming to IEC 60664-1

[ui] rated insulation voltage

400 V conforming to IEC 60664-1

Tightening torque

0.6...1 N.m conforming to IEC 60947...1

Housing material

self-extinguishing plastic

Operating rate

<= 360 operations/hour full load

Utilisation category

AC-12 conforming to IEC 60947-5-1|AC-13 conforming to IEC 60947-5-1|AC-14 conforming to IEC 60947-5-1|AC-15 conforming to IEC 60947-5-1|DC-12 conforming to IEC 60947-5-1|DC-13 conforming to IEC 60947-5-1|DC-14 conforming to IEC 60947-5-1

[us] rated supply voltage

, self-powered

Safety reliability data

B10d = 300000|MTTFd = 319.6 years


overvoltage and undervoltage detection

Compatibility code


Electromagnetic compatibility

emission standard for industrial environments conforming to IEC 61000-6-4|emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3|immunity for industrial environments conforming to NF EN/IEC 61000-6-2

Vibration resistance

0.35 mm (f= 5-57.6 Hz) conforming to IEC 60068-2-6|1 gn (f= 57.6-150 Hz) conforming to IEC 60255-21-1

Shock resistance

5 gn conforming to IEC 60068-2-27

Pollution degree

3 conforming to IEC 60664-1


73/23/EEC - low voltage directive|89/336/EEC - electromagnetic compatibility

Dielectric test voltage

2 kV, 1 min AC 50 Hz

Non-dissipating shock wave

4 kV

Unit type of package 1


Number of units in package 1


Package 1 height

4.500 cm

Package 1 width

7.800 cm

Package 1 length

9.700 cm

Package 1 weight

133.000 g

Unit type of package 2


Number of units in package 2


Package 2 height

30.000 cm

Package 2 width

30.000 cm

Package 2 length

40.000 cm

Package 2 weight

6.649 kg
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