product brand nameSIRIUS
product designationCurrent monitoring relay with digital setting
product type designation3UG4
General technical data
product functionCurrent monitoring relay
design of the displayLCD
with degree of pollution 2 rated value690 V
degree of pollution2
type of voltage of the operating voltageDC
surge voltage resistance rated value6 kV
between control and auxiliary circuit690 V
shock resistance according to IEC 60068-2-27sinusoidal half-wave 15 g / 11 ms
vibration resistance according to IEC 60068-2-61... 6 Hz: 15 mm, 6... 500 Hz: 2 g
mechanical service life (operating cycles) typical10.000.001
electrical endurance (operating cycles) at AC-15 at 230 V typical100.000
thermal current of the switching element with contacts maximum5 A
reference code according to IEC 81346-2K
relative repeat accuracy1 %
Substance Prohibitance (day/month/year)05/01/2012
SVHC substance nameLead monoxide (lead oxide) CAS-Yok. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-Yok. 71868-10-5 Melamine CAS-Yok. 108-78-1 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-Yok. 119-47-1
Net Weight0,132 kg
Product Function
undervoltage detectionYok
overvoltage detectionYok
phase sequence recognitionYok
phase failure detectionYok
voltage monitoringYok
current monitoringVar
overcurrent detection 1 phaseVar
overcurrent detection 3 phaseYok
undercurrent detection 1 phaseVar
undercurrent detection 3 phasesYok
overcurrent detection DCVar
undercurrent detection DCVar
current window recognition DCVar
voltage window recognition 1 phaseYok
voltage window recognition 3 phaseYok
adjustable open/closed-circuit current principleVar
external resetVar
auto-RESETVar
Control circuit/ Control
at 50 Hz rated value24... 240 V
at 60 Hz rated value24... 240 V
control supply voltage at DC rated value24... 240 V
Besleme gerilimi
type of voltage of the supply voltageDC
supply voltage 1 at DC18... 30 V
supply voltage 1 at DC rated value24 V
Measuring circuit
type of current for monitoringAC/DC
measurable current0,05... 10 A
measurable line frequency500... 40 Hz
10,1... 10 A
20,1... 10 A
when starting0... 999,9 s
with lower or upper limit violation0... 999,9 s
adjustable switching hysteresis for measured current value5... 10 mA
accuracy of digital display+/-1 digit
relative temperature-related measurement deviation5 %
internal resistance of the measuring circuit5 mΩ
Precision
relative metering precision5 %
Communication/ Protocol
protocol is supported IO-Link protocolYok
IO-Link transfer rateCOM2 (38,4 kBaud)
point-to-point cycle time between master and IO-Link device minimum10 ms
type of voltage supply via input/output link masterVar
of the address range of the inputs with cyclical transfer total4 bayt
of the address range of the outputs with cyclical transfer total2 bayt
Auxiliary circuit
number of NC contacts delayed switching0
number of NO contacts delayed switching0
delayed switching1
operating frequency with 3RT2 contactor maximum5.000 1/h
Main circuit
number of poles for main current circuit1
operating voltage rated value24 V
at 250 V at 50/60 Hz3 A
at 400 V at 50/60 Hz3 A
at 24 V1 A
at 125 V0,2 A
at 250 V0,1 A
ampacity of the semiconductor output in SIO mode200 mA
operational current at 17 V minimum0 A
continuous current of the DIAZED fuse link of the output relay4 A
Electromagnetic compatibility
due to burst according to IEC 61000-4-42 kV
due to conductor-earth surge according to IEC 61000-4-52 kV
due to conductor-conductor surge according to IEC 61000-4-51 kV
field-based interference according to IEC 61000-4-310 V/m
electrostatic discharge according to IEC 61000-4-26 kV contact discharge / 8 kV air discharge
Galvanic isolation
design of the electrical isolationProtective separation
between input and outputVar
between the voltage supply and other circuitsVar
Safety related data
product function suitable for safety functionYok
Electrical Safety
protection class IP on the front according to IEC 60529IP20
Connections/ Terminals
product component removable terminal for main circuitVar
product component removable terminal for auxiliary and control circuitVar
type of electrical connectionscrew terminal
for main current circuitscrew-type terminals
for auxiliary and control circuitscrew-type terminals
solid1x (0,5... 4 mm²), 2x (0,5... 2,5 mm²)
finely stranded with core end processing1x (0,5... 2,5 mm²), 2x (0,5... 1,5 mm²)
for AWG cables solid2x (20... 14)
for AWG cables stranded2x (20... 14)
solid0,5... 4 mm²
finely stranded with core end processing0,5... 2,5 mm²
solid20... 14
stranded20... 14
tightening torque with screw-type terminals0,8... 1,2 N·m
Installation/ mounting/ dimensions
mounting positionany
fastening methodsnap-on mounting
height92 mm
width22,5 mm
depth91 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— at the side0 mm
— downwards0 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
Ambient conditions
installation altitude at height above sea level maximum2.000 m
during operation-25... +60 °C
during storage-40... +85 °C
during transport-40... +85 °C