3UG45122AR20

Data sheet 3UG4512-2AR20 Analog monitoring relay Phase failure and sequence 3 x 160...690 V 50...60 Hz AC 1 change-over contact spring-type connection system product brand name SIRIUS product designation Network monitoring relay with analog setting design of the product 2 functions product type designation 3UG4 General technical data product function Phase monitoring relay display version LED Yes insulation voltage for overvoltage category III according to IEC 60664 ● with degree of pollution 3 rated value degree of pollution 690 V 3 type of voltage ● for monitoring AC ● of the control supply voltage AC surge voltage resistance rated value 6 kV protection class IP IP20 shock resistance according to IEC 60068-2-27 sinusoidal half-wave 15g / 11 ms vibration resistance according to IEC 60068-2-6 1 ... 6 Hz: 15 mm, 6 ... 500 Hz: 2g 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 5A reference code according to IEC 81346-2 K relative repeat accuracy 1% Substance Prohibitance (Date) 05/01/2012 Product Function product function ● undervoltage detection No ● overvoltage detection No ● phase sequence recognition Yes ● phase failure detection Yes ● asymmetry detection No ● overvoltage detection 3 phase No ● undervoltage detection 3 phases No ● voltage window recognition 3 phase No ● adjustable open/closed-circuit current principle No ● auto-RESET Yes Control circuit/ Control control supply voltage at AC 3UG45122AR20 Page 1/4 7/4/2022 Subject to change without notice © Copyright Siemens ● at 50 Hz rated value 160 ... 690 V ● at 60 Hz rated value 160 ... 690 V operating range factor control supply voltage rated value at AC at 50 Hz ● initial value 1 ● full-scale value 1 operating range factor control supply voltage rated value at AC at 60 Hz ● initial value 1 ● full-scale value 1 Measuring circuit measurable voltage at AC 690 ... 160 V Auxiliary circuit number of NC contacts delayed switching 0 number of NO contacts delayed switching 0 number of CO contacts delayed switching 1 operating frequency with 3RT2 contactor maximum 5 000 1/h Main circuit number of poles for main current circuit 3 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 0.1 A operational current at 17 V minimum 5 mA continuous current of the DIAZED fuse link of the output relay 4A Electromagnetic compatibility conducted interference ● due to burst according to IEC 61000-4-4 2 kV ● due to conductor-earth surge according to IEC 61000-4-5 2 kV ● due to conductor-conductor surge according to IEC 61000-4-5 1 kV field-based interference according to IEC 61000-4-3 10 V/m electrostatic discharge according to IEC 61000-4-2 6 kV contact discharge / 8 kV air discharge Galvanic isolation galvanic isolation ● between input and output Yes ● between the outputs Yes ● between the voltage supply and other circuits Yes Connections/ Terminals product component removable terminal for auxiliary and control circuit Yes type of electrical connection spring-loaded terminals type of connectable conductor cross-sections ● 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 cables solid 2x (24 ... 16) ● at AWG cables 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 ... 1.5 mm² AWG number as coded connectable conductor cross section ● solid 24 ... 16 ● stranded 24 ... 16 3UG45122AR20 Page 2/4 7/4/2022 Subject to change without notice © Copyright Siemens Installation/ mounting/ dimensions mounting position any fastening method snap-on mounting height 84 mm width 22.5 mm depth 91 mm required spacing ● with side-by-side mounting — forwards 0 mm — backwards 0 mm — upwards 0 mm — downwards 0 mm — at the side 0 mm ● for grounded parts — forwards 0 mm — backwards 0 mm — upwards 0 mm — at the side 0 mm — downwards 0 mm ● for live parts — forwards 0 mm — backwards 0 mm — upwards 0 mm — downwards 0 mm — at the side 0 mm Ambient conditions installation altitude at height above sea level maximum 2 000 m ambient temperature ● during operation -25 ... +60 °C ● during storage -40 ... +85 °C ● during transport -40 ... +85 °C Certificates/ approvals General Product Approval EMC Declaration of Conformity other Railway Confirmation Test Certificates Type Test Certificates/Test Report Marine / Shipping Special Test Certificate Confirmation Vibration and Shock Further information Information- and Downloadcenter (Catalogs, Brochures,…) https://www.siemens.com/ic10 Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3UG4512-2AR20 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3UG4512-2AR20 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3UG4512-2AR20 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3UG4512-2AR20&lang=en Characteristic: Derating https://support.industry.siemens.com/cs/ww/en/ps/3UG4512-2AR20/manual 3UG45122AR20 Page 3/4 7/4/2022 Subject to change without notice © Copyright Siemens last modified: 3UG45122AR20 Page 4/4 12/21/2020 7/4/2022 Subject to change without notice © Copyright Siemens