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Siemens 3UG5742-2CW30

digital monitoring relay current, active current, voltage, cos-phi and performance monitoring with Bluetooth up to 690 V AC/DC up to 15 A supply voltage 24 ... 240 V AC/DC, 50 .. 60 Hz ON delay and tripping delay 0.1..999.9 s 2 changeover contacts spring-loaded terminal

SiemensMFR # 3UG5742-2CW30SKU # YLS6MT7OH8Y0S4P

product brand nameSIRIUS

product type designation3UG5

design of the displayLCD

power loss [W] maximum2.2 W

power loss [V∙A] maximum5.2 V·A

with degree of pollution 2 rated value690 V

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About This Product

Siemens 3UG5742-2CW30

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

product brand nameSIRIUS

product designationNetwork monitoring relay with digital setting

design of the productmonitoring of current, active current, voltage, power factor and power, externally powered with auxiliary voltage with Bluetooth

product type designation3UG5

General technical data

product functiondigitally adjustable monitoring relay for electrical variables

design of the displayLCD

power loss [W] maximum2.2 W

power loss [V∙A] maximum5.2 V·A

with degree of pollution 2 rated value690 V

with degree of pollution 3 rated value690 V

degree of pollution3

surge voltage resistance rated value4 kV

shock resistance according to IEC 60068-2-27sinusoidal half-wave 15 g / 11 ms

vibration resistance according to IEC 60068-2-6f = 4 ... 5,81 Hz, dmax = 15 mm; f = 5,81 ... 500 Hz, Amax = 20 m/s²; 10 cycles

mechanical service life (operating cycles) typical10 000 000

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)06/01/2023

SVHC substance nameLead CAS-No. 7439-92-1 Lead monoxide (lead oxide) CAS-No. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1 Diboron trioxide CAS-No. 1303-86-2

Net Weight0.153 kg

Product Function

phase sequence recognitionNo

phase failure detectionNo

asymmetry detectionNo

voltage monitoringYes

current monitoringYes

overcurrent detection 1 phaseYes

undercurrent detection 1 phaseYes

adjustable open/closed-circuit current principleYes

auto-RESETYes

manual RESETYes

Control circuit/ Control

type of voltage of the control supply voltageAC/DC

control supply voltage rated value24 ... 240 V

at 50 Hz rated value24 ... 240 V

at 60 Hz rated value24 ... 240 V

control supply voltage at DC rated value24 ... 240 V

supply voltage frequency for auxiliary and control circuit rated value50 ... 60 Hz

initial value0.85

full-scale value1.1

initial value0.85

full-scale value1.1

initial value0.85

full-scale value1.1

Supply voltage

supply voltage frequency rated value60 ... 50 Hz

Interfaces

design of the interface bluetoothYes

Measuring circuit

type of current for monitoringAC/DC

measurable current0.003 ... 10 A

measurable voltage at AC0.1 ... 760 V

adjustable current response value current limited to 5 s15 A

when starting0 ... 999.9 s

with lower or upper limit violation0 ... 999.9 s

adjustable switching hysteresis for measured current value0 ... 5 000 mA

buffering time in the event of power failure minimum20 ms

accuracy of digital display+/-1 digit

Precision

relative metering precision10 %

Communication/ Protocol

protocol is supported IO-Link protocolNo

Auxiliary circuit

number of NC contacts delayed switching0

number of NO contacts delayed switching0

number of CO contacts delayed switching2

operating frequency with 3RT2 contactor maximum5 000 1/h

Main circuit

number of poles for main current circuit1

operating voltage rated value24 ... 240 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

operational current at 17 V minimum5 mA

continuous current of the DIAZED fuse link of the output relay6 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

between input and outputYes

between the outputsYes

between the voltage supply and other circuitsYes

Connections/ Terminals

product component removable terminal for auxiliary and control circuitYes

type of electrical connectionspring-loaded terminal (push-in)

solid1x (0.5 ... 4 mm²)

finely stranded with core end processing1x (0.5 ... 2.5 mm²)

finely stranded without core end processing0.5 ... 4 mm²

for AWG cables solid1x (20 ... 12)

for AWG cables stranded20 ... 12

solid0.5 ... 4 mm²

finely stranded with core end processing0.5 ... 2.5 mm²

finely stranded without core end processing0.5 ... 4 mm²

solid20 ... 12

stranded20 ... 12

Installation/ mounting/ dimensions

mounting positionany

fastening methodscrew and snap-on mounting

height100 mm

width22.5 mm

depth90 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 ... +80 °C

during transport-40 ... +80 °C

Accessories 7

Genuine accessories that can be used with the Siemens 3UG5742-2CW30 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
3RA2908-1A	Aksesuar · Miscellaneous accessories · screwdrivers
3RT2900-1SB20	Aksesuar · Miscellaneous accessories · labeling plates
3ZY1311-0AA00	Aksesuar · Further accessories
3ZY1321-2AA00	Aksesuar · Further accessories
3ZY1440-1AA00	Aksesuar · Further accessories
3ZY1122-2BA00	Aksesuar · Removable terminals
3ZY1450-1AB00	Aksesuar · Further accessories