| Article number | 3UG4614-1BR20 | 3UG5514-1BR20 | |
| !!! product phase-out !!! the preferred successor is 3UG5514-1BR20 phase failure and sequence monitoring 3x 160-690 V, screw terminal digital monitoring relay asymmetry 0-20% connectable phase sequence phase failure 3 x 160 to 690 V 50 to 60 Hz AC undervoltage 160-690 V hysteresis 1-20 V ON and OFF delay 0-20 s 2 changeover contacts screw terminal | analog adjustment monitoring relay phase failure, phase sequence, asymmetry and under-voltage monitoring 3x 160-690 V AC, 15-70 Hz 2 changeover contacts screw terminal | ||
| product brand name | SIRIUS | ||
| product designation | Network monitoring relay with digital setting | Network monitoring relay with analog setting | |
| design of the product | 4 functions | monitoring of phase sequence, phase failure, phase asymmetry, and undervoltage | |
| product type designation | 3UG4 | 3UG5 | |
| General technical data | |||
| product function | Phase monitoring relay | line monitoring | |
| display version LED | No | Yes | |
| design of the display | LCD | LED | |
| power loss [W] maximum | 1.8 W | ||
| power loss [V∙A] maximum | 5.1 VA | ||
| insulation voltage for overvoltage category III according to IEC 60664 | |||
| ● with degree of pollution 2 rated value | 690 V | ||
| ● with degree of pollution 3 rated value | 690 V | ||
| degree of pollution | 3 | ||
| type of voltage | |||
| ● for monitoring | AC | ||
| ● of the operating voltage for actuation | AC/DC | ||
| surge voltage resistance rated value | 6 kV | ||
| 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 | 10 ... 55 Hz: 0.35 mm | |
| switching behavior | monostable | ||
| mechanical service life (operating cycles) typical | 10 000 000 | ||
| electrical endurance (operating 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 % | 0.4 % | |
| Substance Prohibitance (Date) | 05/01/2012 | 06/01/2023 | |
| SVHC substance name |
Lead - 7439-92-1
Lead monoxide (lead oxide) - 1317-36-8
6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol - 119-47-1
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| Net Weight | 155 g | 169 g | |
| Product Function | |||
| product function | |||
| ● undervoltage detection | Yes | ||
| ● overvoltage detection | No | ||
| ● phase sequence recognition | Yes | ||
| ● phase failure detection | Yes | Yes | |
| ● asymmetry detection | Yes | Yes | |
| ● overvoltage detection 3 phase | No | ||
| ● undervoltage detection 3 phases | Yes | ||
| ● voltage window recognition 3 phase | No | ||
| ● adjustable open/closed-circuit current principle | Yes | No | |
| ● auto-RESET | Yes | ||
| ● neutral conductor monitoring adjustable | No | ||
| suitability for use safety-related circuits | No | ||
| Control circuit/ Control | |||
| type of voltage of the control supply voltage | AC | ||
| control supply voltage 1 at AC | |||
| ● at 50 Hz | 200 ... 690 V | ||
| ● at 60 Hz | 200 ... 690 V | ||
| operating range factor control supply voltage rated value at AC at 50 Hz | |||
| ● initial value | 1 | 0.85 | |
| ● full-scale value | 1 | 1.1 | |
| operating range factor control supply voltage rated value at AC at 60 Hz | |||
| ● initial value | 1 | 0.85 | |
| ● full-scale value | 1 | 1.1 | |
| Supply voltage | |||
| supply voltage frequency rated value | 70 ... 15 Hz | ||
| Interfaces | |||
| design of the interface bluetooth | No | ||
| Measuring circuit | |||
| measurable voltage 1 at AC | 160 ... 760 V | ||
| measurable voltage 2 at AC | 160 ... 760 V | ||
| adjustable operating delay time initial value | 0.1 s | ||
| adjustable response delay time | |||
| ● when starting | 0.1 ... 20 s | 0.1 s | |
| ● with lower or upper limit violation | 0.1 ... 20 s | ||
| buffering time in the event of power failure minimum | 20 ms | ||
| response time maximum | 450 ms | 500 ms | |
| accuracy of digital display | +/-1 digit | ||
| relative temperature-related measurement deviation | 1 % | ||
| Precision | |||
| relative metering precision | 5 % | ||
| temperature drift per °C | 0.003 %/°C | ||
| Short-circuit protection | |||
| design of the fuse link | |||
| ● for short-circuit protection of the NO contacts of the relay outputs required | gL/gG: 6 A or MCB type C: 1 A | ||
| ● for short circuit protection of the NC contacts of the relay outputs required | gL/gG: 6 A or MCB type C: 1 A | ||
| Communication/ Protocol | |||
| protocol is supported IO-Link protocol | No | ||
| type of voltage supply via input/output link master | No | ||
| Auxiliary circuit | |||
| material of switching contacts | AgSnO2 | ||
| number of NC contacts delayed switching | 0 | ||
| number of NO contacts delayed switching | 0 | ||
| number of CO contacts | |||
| ● for auxiliary contacts | 2 | ||
| ● delayed switching | 2 | ||
| operating frequency with 3RT2 contactor maximum | 5 000 1/h | ||
| contact reliability of auxiliary contacts | one incorrect switching operation of 100 million switching operations (17 V, 5 mA) | ||
| contact rating of auxiliary contacts according to UL | R300 / B300 | ||
| Main circuit | |||
| number of poles for main current circuit | 3 | ||
| operating voltage | |||
| ● at AC | |||
| — at 50 Hz rated value | 690 ... 690 V | ||
| — at 60 Hz rated value | 690 ... 690 V | ||
| 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 110 V | 0.2 A | ||
| ● at 125 V | 0.2 A | ||
| ● at 230 V | 0.1 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 | 4 A | 6 A | |
| Electromagnetic compatibility | |||
| EMC emitted interference according to IEC 60947-1 | class A | ||
| conducted interference | |||
| ● due to burst according to IEC 61000-4-4 | 2 kV | 2 kV (power ports), 2 kV (signal ports) | |
| ● 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 | |||
| design of the electrical isolation | galvanic isolation | ||
| galvanic isolation | |||
| ● between input and output | Yes | ||
| ● between the outputs | Yes | ||
| ● between the voltage supply and other circuits | Yes | ||
| Electrical Safety | |||
| protection class IP on the front according to IEC 60529 | IP20 | ||
| Connections/ Terminals | |||
| product component removable terminal for main circuit | Yes | ||
| product component removable terminal for auxiliary and control circuit | Yes | ||
| type of electrical connection | screw terminal | ||
| design of terminals with cross-head screw | PZ 1 | ||
| type of connectable conductor cross-sections | |||
| ● solid | 1x (0.5 ... 4.0mm²), 2x (0.5 ... 2.5 mm²) | 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) | 1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²) | |
| ● for AWG cables solid | 2x (20 ... 14) | 1x (20 ... 12), 2x (20 ... 14) | |
| ● for 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 | 0.5 ... 4 mm² | |
| AWG number as coded connectable conductor cross section | |||
| ● solid | 20 ... 14 | 20 ... 12 | |
| ● stranded | 20 ... 14 | 20 ... 12 | |
| tightening torque with screw-type terminals | 0.8 ... 1.2 N·m | 0.6 ... 0.8 N·m | |
| stripped length | 10 mm | ||
| Installation/ mounting/ dimensions | |||
| mounting position | any | ||
| fastening method | snap-on mounting | screw and snap-on mounting onto 35 mm DIN rail | |
| height | 92 mm | 100 mm | |
| width | 22.5 mm | ||
| depth | 91 mm | 90 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 | ||
| relative humidity during operation maximum | 70 % | ||
| Environmental footprint | |||
| Environmental Product Declaration(EPD) | Yes | ||
| global warming potential [CO2 eq] total | 17.1 kg | 18 kg | |
| global warming potential [CO2 eq] during manufacturing | 4.44 kg | 5.65 kg | |
| global warming potential [CO2 eq] during operation | 13.7 kg | 12.3 kg | |
| global warming potential [CO2 eq] after end of life | -1.06 kg | -0.03 kg | |
| Approvals Certificates | |||
| General Product Approval | |||
| CCC |
|
Yes | Yes |
| UK Declaration of Conformity |
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Yes | Yes |
| EU declaration of conformity |
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Yes | Yes |
| UL |
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Yes | Yes |
| EAC |
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Yes | Yes |
| S Mark |
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Yes | Yes |
| EMV | |||
| RCM |
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Yes | Yes |
| KC | Yes | Yes | |
| Test Certificates | |||
| Type Test Certificates/Test Report | Yes | Yes | |
| Special Test Certificate | Yes | Yes | |
| Maritime application | |||
| DNV (Det Norske Veritas) |
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Yes | Yes |
| LR (Lloyds Register) |
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Yes | Yes |
| other | |||
| Chinese Quality Checkmark |
|
Yes | Yes |
| Confirmation | Yes | Yes | |
| Railway | |||
| Special Test Certificate | Yes | Yes | |
| Environment | |||
| EPD Typ II/III (with life cylce assessment) |
|
Yes | Yes |
| Environmental Confirmations | Yes | Yes | |
| Further information | |||
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| last modified: | 10/28/2025 | ||
| Date 11/27/2025 |
Subject to change without notice © Copyright Siemens 2025 |
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