digitally adjustable monitoring relay phase failure, phase sequence, asymmetry, frequency, over- and under-voltage monitoring 3x 90-690 V AC, 15-70 Hz 2 changeover contacts screw terminal
Product Type: Industrial Automation Component
General
| Article number |
3UG5616-1CR20 |
| product brand name |
SIRIUS |
| product designation |
Network monitoring relay with digital setting |
| design of the product |
monitoring of phase sequence, phase failure, phase asymmetry, N-conductor (adjustable), frequency, undervoltage and overvoltage |
| product type designation |
3UG5 |
General technical data
| product function |
line monitoring |
| display version LED |
No |
| design of the display |
LCD |
| power loss [W] maximum |
2 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 15 g / 11 ms |
| vibration resistance according to IEC 60068-2-6 |
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 |
| adjustable OFF-delay time |
0.1 ... 30 s |
| reference code according to IEC 81346-2 |
K |
| relative repeat accuracy |
0 % |
| Substance Prohibitance (day/month/year) |
06/01/2023 |
| SVHC substance name |
Lead 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 |
| Net Weight |
176 g |
product function
| ● undervoltage detection |
Yes |
| ● overvoltage detection |
Yes |
| ● phase sequence recognition |
Yes |
| ● phase failure detection |
Yes |
| ● asymmetry detection |
Yes |
| ● overcurrent detection 1 phase |
No |
| ● overvoltage detection 3 phase |
Yes |
| ● undercurrent detection 1 phase |
No |
| ● undervoltage detection 3 phases |
Yes |
| ● voltage window recognition 3 phase |
Yes |
| ● adjustable open/closed-circuit current principle |
Yes |
| ● auto-RESET |
Yes |
| ● neutral conductor monitoring adjustable |
Yes |
| 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 |
control supply voltage 2 at AC
| ● at 50 Hz |
120 ... 400 V |
| ● at 60 Hz |
120 ... 400 V |
operating range factor control supply voltage rated value at AC at 50 Hz
| ● initial value |
0.85 |
| ● full-scale value |
1.1 |
operating range factor control supply voltage rated value at AC at 60 Hz
| ● initial value |
0.85 |
| ● full-scale value |
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 |
90 ... 440 V |
| adjustable operating delay time initial value |
0 s |
adjustable response delay time
| ● when starting |
0.1 ... 999.8 s |
| ● with lower or upper limit violation |
0.1 ... 999.8 s |
| buffering time in the event of power failure minimum |
20 ms |
| response time maximum |
500 ms |
| accuracy of digital display |
+/-1 digit |
| relative temperature-related measurement deviation |
1 % |
Precision
| relative metering precision |
3 % |
| temperature drift per °C |
0 %/°C |
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 |
4 |
ampacity of the output relay at AC-15
| ● at 250 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 |
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 (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 |
Safety related data
| product function suitable for safety function |
No |
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 mm²), 2x (0.5 ... 2.5 mm²) |
| ● finely stranded with core end processing |
1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²) |
| ● for AWG cables solid |
1x (20 ... 12), 2x (20 ... 14) |
connectable conductor cross-section
| ● solid |
0.5 ... 4 mm² |
| ● finely stranded with core end processing |
0.5 ... 4 mm² |
AWG number as coded connectable conductor cross section
| ● solid |
20 ... 12 |
| ● stranded |
20 ... 12 |
| tightening torque with screw-type terminals |
0.6 ... 0.8 N·m |
| stripped length |
10 mm |
Installation/ mounting/ dimensions
| mounting position |
any |
| fastening method |
screw and snap-on mounting onto 35 mm DIN rail |
| height |
100 mm |
| width |
22.5 mm |
| depth |
90 mm |
● 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 Product Declaration
| ● global warming potential [CO2 eq] / during manufacturing |
5.06 kg |
| ● global warming potential [CO2 eq] / during sales |
0.0432 kg |
| ● global warming potential [CO2 eq] / during operation |
12.3 kg |
| ● global warming potential [CO2 eq] / after end of life |
-0.132 kg |
| ● global warming potential [CO2 eq] / total |
17.3 kg |
Environment
| Environmental Confirmations |
Yes |
| EPD Typ II/III (with life cylce assessment) |
Yes |
| Siemens EcoTech Profile (SEP) |
Yes |
General Product Approval
| CCC |
Yes |
| cULus |
Yes |
| EAC |
Yes |
| EU declaration of conformity |
Yes |
| RCM |
Yes |
Test Certificates
| Type Test Certificates/Test Report |
Yes |
Maritime application
| DNV (Det Norske Veritas) |
Yes |
other
| Confirmation |
Yes |
| Chinese Quality Checkmark |
Yes |
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3UG5616-1CR20&lang=en
| last modified: |
6/30/2026 |
| Date7/26/2026 |
Subject to change without notice© Copyright Siemens 2026 |
Applications
This Industrial Automation Component is designed for industrial automation applications, offering reliable performance and compatibility with Siemens automation systems. Suitable for manufacturing, process control, and building automation environments.
