| Digital monitoring relay 3-phase supply voltage for IO-Link 50...60 Hz AC 3 x 160 to 690 V Phase sequence, Phase failure Phase asymmetry Undervoltage and overvoltage Hysteresis 1-20 V Line stabilization delay Tripping delay time 1 change-over contact, screw terminal |
| product brand name | SIRIUS |
| product designation | Network monitoring relay with digital setting |
| design of the product | 5 functions |
| product type designation | 3UG4 |
| General technical data |
| product function | Phase monitoring relay |
| display version LED | No |
| design of the display | LCD |
| insulation voltage for overvoltage category III according to IEC 60664 | |
| ● with degree of pollution 2 rated value | 690 V |
| degree of pollution | 2 |
| type of voltage | |
| ● for monitoring | AC |
| ● of the control supply voltage | DC |
| 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 | 5 A |
| reference code according to IEC 81346-2 | K |
| relative repeat accuracy | 1 % |
| Substance Prohibitance (Date) | 05/01/2012 |
| Product Function |
| product function | |
| ● undervoltage detection | Yes |
| ● overvoltage detection | Yes |
| ● phase sequence recognition | Yes |
| ● phase failure detection | Yes |
| ● asymmetry detection | Yes |
| ● overvoltage detection 3 phase | Yes |
| ● undervoltage detection 3 phases | Yes |
| ● voltage window recognition 3 phase | Yes |
| ● adjustable open/closed-circuit current principle | Yes |
| ● external reset | Yes |
| ● auto-RESET | Yes |
| Control circuit/ Control |
| control supply voltage at AC | |
| ● at 50 Hz rated value | 0 ... 0 V |
| ● at 60 Hz rated value | 0 ... 0 V |
| control supply voltage at DC | |
| ● rated value | 24 ... 24 V |
| operating range factor control supply voltage rated value at DC | |
| ● initial value | 1 |
| ● full-scale value | 1 |
| Measuring circuit |
| measurable voltage at AC | 690 ... 160 V |
| adjustable response delay time | |
| ● when starting | 0 ... 999.9 s |
| ● with lower or upper limit violation | 0 ... 999.9 s |
| accuracy of digital display | +/-1 digit |
| Precision |
| relative metering precision | 5 % |
| Communication/ Protocol |
| protocol is supported IO-Link protocol | Yes |
| IO-Link transfer rate | COM2 (38,4 kBaud) |
| point-to-point cycle time between master and IO-Link device minimum | 10 ms |
| type of voltage supply via input/output link master | Yes |
| data volume | |
| ● of the address range of the inputs with cyclical transfer total | 4 byte |
| ● of the address range of the outputs with cyclical transfer total | 2 byte |
| 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 | 3 A |
| ● at 400 V at 50/60 Hz | 3 A |
| ampacity of the output relay at DC-13 | |
| ● at 24 V | 1 A |
| ● at 125 V | 0.2 A |
| ● at 250 V | 0.1 A |
| ampacity of the semiconductor output in SIO mode | 200 mA |
| operational current at 17 V minimum | 20 mA |
| continuous current of the DIAZED fuse link of the output relay | 4 A |
| 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 voltage supply and other circuits | Yes |
| Connections/ Terminals |
| product component removable terminal for auxiliary and control circuit | Yes |
| type of electrical connection | screw-type terminals |
| type of connectable conductor cross-sections | |
| ● solid | 1x (0.5 ... 4 mm2), 2x (0.5 ... 2.5 mm2) |
| ● finely stranded with core end processing | 1x (0.5 ... 2.5 mm2), 2x (0.5 ... 1.5 mm2) |
| ● at AWG cables solid | 2x (20 ... 14) |
| ● at AWG cables stranded | 2x (20 ... 14) |
| connectable conductor cross-section | |
| ● solid | 0.5 ... 4 mm² |
| ● finely stranded with core end processing | 0.5 ... 2.5 mm² |
| AWG number as coded connectable conductor cross section | |
| ● solid | 20 ... 14 |
| ● stranded | 20 ... 14 |
| tightening torque with screw-type terminals | 0.8 ... 1.2 N·m |
| Installation/ mounting/ dimensions |
| mounting position | any |
| fastening method | snap-on mounting |
| height | 102 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 |
Downloads and manuals |
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| Further information |
Information- and Downloadcenter (Catalogs, Brochures,…) |
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Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) |
Characteristic: Derating |
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| last modified: | 1/8/2021 |
Date 5/12/2022 | Subject to change without notice © Copyright Siemens 2022 |