Data Sheet

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Data sheet 3UG4641-2CS20

Digital monitoring relay cos phi and current monitoring from 90-690 V

AC 0vershoot and undershoot self-supplied 50 to 60 Hz AC Noise

pulses delay 0.1 to 20 s Hysteresis for (I) 0.1 to 2 A 2 change-over

contacts with or without fault buffer spring-type connection system

Product brand name SIRIUS

Product designation Cos phi monitoring relay with digital setting

Product type designation 3UG4

General technical data

Product function Active power monitoring relay

Design of the display LCD

Degree of pollution 3

Surge voltage resistance rated value 6kV

Protection class IP IP20

Shock resistance

● acc. to IEC 60068-2-27

sinusoidal half-wave 15g / 11 ms

Mechanical service life (switching cycles)

● typical

10000000

Electrical endurance (switching cycles)

● at AC-15 at 230 V typical

100000

Thermal current of the switching element with

contacts maximum

5A

Reference code acc. to DIN 40719 extended

according to IEC 204-2 acc. to IEC 750

3UG4641-2CS20 Subject to change without notice

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Summary of content (6 pages)

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Data sheet 3UG4641-2CS20 Digital monitoring relay cos phi and current monitoring from 90-690 V AC 0vershoot and undershoot self-supplied 50 to 60 Hz AC Noise pulses delay 0.1 to 20 s Hysteresis for (I) 0.
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Reference code acc. to DIN EN 81346-2 K Reference code acc. to DIN EN 61346-2 K Relative repeat accuracy 1% Product Function Product function ● Overcurrent detection 1 phase Yes ● undercurrent detection 1 phase Yes ● Adjustable open/closed-circuit current principle Yes ● External reset Yes Control circuit/ Control Type of voltage of the control supply voltage AC Control supply voltage at AC ● at 50 Hz rated value 90 ... 690 V ● at 60 Hz rated value 90 ...
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Relative metering precision 10 % Auxiliary circuit Control supply voltage rated value 690 ... 90 Number of CO contacts ● delayed switching Operating frequency with 3RT2 contactor maximum 2 5 000 1/h Main circuit Number of poles for main current circuit 2 Operating voltage ● rated value 90 ... 690 V Outputs Ampacity of the output relay at AC-15 ● at 250 V at 50/60 Hz 3A ● at 400 V at 50/60 Hz 3A Ampacity of the output relay at DC-13 ● at 24 V 1A ● at 125 V 0.2 A ● at 250 V 0.
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● solid 2x (0.25 ... 1.5 mm²) ● finely stranded with core end processing 2 x (0.25 ... 1.5 mm²) ● finely stranded without core end processing 2x (0.25 ... 1.5 mm²) ● at AWG conductors solid 2x (24 ... 16) ● at AWG conductors stranded 2x (24 ... 16) Connectable conductor cross-section ● solid 0.25 ... 1.5 mm² ● finely stranded with core end processing 0.25 ... 1.5 mm² ● finely stranded without core end processing 0.25 ... 1.
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Certificates/ approvals General Product Approval EMC Declaration of Conformity Miscellaneous Test Certificates Type Test Certificates/Test Report Marine / Shipping other Special Test Certificate Railway Confirmation Vibration and Shock Further information Information- and Downloadcenter (Catalogs, Brochures,…) www.siemens.com/sirius/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3UG4641-2CS20 Cax online generator http://support.