3RQ3118-1AE00

**3RQ3118-1AE00** 

|!!! phased-out product !!! the preferred successor is 3RQ4118-1AE00 output<br>coupler with plug-in relay, 1 change-over contact screw terminal 115 V AC/DC<br>enclosure width 6.2 mm thermal current 6 A<br>**product brand name**<br>SIRIUS<br>**product category**<br>SIRIUS 3RQ3 couplingrelays in slim design<br>**product designation**<br>Couplingrelays withplug-in relay<br>**design of theproduct**<br>Output couplinglink<br>**product type designation**<br>3RQ3<br>**General technical data**<br>**display version LED**<br>Yes<br>**product featureprotective coating onprinted-circuit board**<br>No<br>**product component**<br>● relayoutput<br>Yes<br>● semi-conductor output<br>No<br>**consumed activepower**<br>0.5 W<br>insulation voltage for overvoltage category III according to IEC<br>60664 with degree ofpollution 3 rated value<br>300 V<br>**surge voltage resistance rated value**<br>4 kV<br>**maximumpermissible voltage forprotective separation**<br>● between control and auxiliarycircuit<br>300 V<br>**percental drop-out voltage related to the input voltage**<br>9.6 %<br>**flammability class of enclosure material**<br>UL94 V-0<br>**shock resistance**<br>**● according to IEC 60068-2-27**<br>sinusoidal half-wave 15g/ 11 ms<br>**vibration resistance**<br>**● according to IEC 60068-2-6**<br>6 ... 150 Hz: 2g<br>**operating frequency maximum**<br>72 000 1/h<br>**switching behavior**<br>monostable<br>**mechanical service life(operating cycles) typical**<br>10 000 000<br>**thermal current**<br>6 A<br>**reference code according to IEC 81346-2**<br>K<br>**Substance Prohibitance(day/month/year)**<br>03/25/2015<br>**Net Weight**<br>0.035 kg<br>**Control circuit/ Control**<br>**control supply voltage at AC**<br>● at 50 Hz rated value<br>115 V<br>● at 60 Hz rated value<br>115 V<br>**control supply voltage frequency**<br>**● 1 rated value**<br>50 Hz<br>**● 2 rated value**<br>60 Hz<br>**control supply voltage at DC rated value**<br>115 V<br>**operating range factor control supply voltage rated value at**<br>**DC**<br>~~_~~|!!! phased-out product !!! the preferred successor is 3RQ4118-1AE00 output<br>coupler with plug-in relay, 1 change-over contact screw terminal 115 V AC/DC<br>enclosure width 6.2 mm thermal current 6 A<br>~~_~~||
|---|---|---|
||SIRIUS<br>~~_~~||
||SIRIUS 3RQ3 couplingrelays in slim design<br>~~_~~||
||Couplingrelays withplug-in relay<br>~~_~~||
||Output couplinglink<br>~~_~~||
||3RQ3<br>~~_~~||
||||
||115 V||
||115 V||
||||
||50 Hz||
||60 Hz||
||115 V||
||||



3RQ31181AE00 Page 1/5 

Subject to change without notice © Copyright Siemens 

5/30/2026 

|● initial value|0.8|
|---|---|
|● full-scale value|1.1|
|**operating range factor control supply voltage rated value at**<br>**AC at 50 Hz**||
|● initial value|0.8|
|● full-scale value|1.1|
|**operating range factor control supply voltage rated value at**<br>**AC at 60 Hz**||
|● initial value|0.8|
|● full-scale value|1.1|
|**ON-delay time**||
|● at AC maximum|8 ms|
|● at DC maximum|6 ms|
|**OFF-delay time maximum**|17 ms|
|**Mechanical data**||
|**product componentplug-in socket**|Yes|
|**design of the relay operating mechanism**|poled|
|**Short-circuit protection**||
|design of the fuse link for short-circuit protection of the auxiliary<br>switch required|fuse gG: 4 A|
|**Auxiliary circuit**||
|**type of switching contact**|Changeover contact|
|**material of switching contacts**|AgSnO2|
|number of CO contacts for auxiliarycontacts|1|
|**operational current of auxiliary contacts at AC-15**||
|● at 24 V|3 A|
|● at 250 V|3 A|
|**operational current of auxiliary contacts at DC-13**||
|● at 24 V|1 A|
|● at 125 V|0.2 A|
|● at 250 V|0.1 A|
|**contact reliability of auxiliary contacts**|one incorrect switching operation of 100 million switching operations (17 V, 5<br>mA)|
|**Main circuit**||
|**type of voltage**|AC/DC|
|**Inputs/ Outputs**||
|**property of the output short-circuitproof**|No|
|ampacityof the output relayat 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 125 V|0.2 A|
|● at 250 V|0.1 A|
|**Electromagnetic compatibility**||
|EMC emitted interference accordingto IEC 60947-1|ambience A(industrial sector)|
|EMC immunityaccordingto IEC 60947-1|corresponds to degree of severity3|
|**conducted interference**||
|● due to burst accordingto IEC 61000-4-4|2 kV|
|● due to conductor-earth surge accordingto IEC 61000-4-5|2 kV|
|● due to conductor-conductor surge according to IEC<br>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|
|**Display**||
|displayversion as status displaybyLED|LEDgreen|
|**Connections/ Terminals**||
|**product function removable terminal**|No|
|**type of electrical connection**||
|● for auxiliaryand control circuit|screw-type terminals|
|**type of connectable conductor cross-sections**||
|● solid|1x (0.25 ... 2.5 mm²)|



3RQ31181AE00 Page 2/5 

Subject to change without notice © Copyright Siemens 

5/30/2026 

|● finelystranded with core endprocessing|● finelystranded with core endprocessing|1x(0.25 ... 1.5 mm²)|
|---|---|---|
|● for AWG cables solid||1x(20 ... 14)|
|**connectable conductor cross-section**|||
|● solid||0.25 ... 2.5 mm²|
|● finelystranded with core endprocessing||0.25 ... 1.5 mm²|
|**AWG number as coded connectable conductor cross**<br>**section**|||
|● solid||20 ... 14|
|tighteningtorque with screw-type terminals||0.5 ... 0.6 N·m|
|**Installation/ mounting/ dimensions**<br>~~ee~~|||
|**mounting position**<br>~~ee~~||any<br>~~ee~~|
|**fastening method**||snap-on mounting|
|**height**||93 mm|
|**width**||6.2 mm|
|**depth**||76 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|
|● forgroundedparts|||
|— forwards||0 mm|
|— backwards||0 mm|
|— upwards||0 mm|
|— at the side||0 mm|
|— downwards||0 mm|
|● for liveparts|||
|— forwards||0 mm|
|— backwards||0 mm|
|— upwards||0 mm|
|— downwards||0 mm|
|— at the side<br>~~a~~||0 mm<br>~~a~~|
|**Ambient conditions**<br>~~a~~|||
|installation altitude at height above sea level maximum<br>~~a~~||2 000 m<br>~~a~~|
|**ambient temperature**|||
|● duringoperation||-25 ... +60 °C|
|● duringstorage||-40 ... +85 °C|
|● duringtransport||-40 ... +85 °C|
|relative humidityduringoperation||10 ... 95 %|
|**Approvals Certificates**<br>~~a~~|||
|**Environment**<br>~~a~~|**General Product Approval**<br>~~a~~||



Environmental Con- ~~—~~ firmations G FAL «OK **EMV Test Certificates Maritime application other** Type Test CertificConfirmation ates/Test Report c¢ & ~~— _~~ **Further information** ~~ee~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 **Information for data generation and storage** 

3RQ31181AE00 Page 3/5 

Subject to change without notice © Copyright Siemens 

5/30/2026 

https://support.industry.siemens.com/cs/ww/en/view/109995012 **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=3RQ3118-1AE00 **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RQ3118-1AE00 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3RQ3118-1AE00 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RQ3118-1AE00&lang=en 

**==> picture [214 x 225] intentionally omitted <==**

3RQ31181AE00 Page 4/5 

Subject to change without notice © Copyright Siemens 

5/30/2026 

**==> picture [315 x 369] intentionally omitted <==**

**----- Start of picture text -----**<br>
-K<br>last modified: 4/9/2026<br>A1 11<br>+<br>-<br>A2 12 14<br>**----- End of picture text -----**<br>


3RQ31181AE00 Page 5/5 

Subject to change without notice © Copyright Siemens 

5/30/2026