3RQ3070-2SG30

**3RQ3070-2SG30** 

**Data sheet** 

!!! phased-out product !!! the preferred successor is 3RQ4070-2SG30 input coupler optocoupler 1 NO contact, transistor input 110-230 V AC/DC output max. 30 V DC, 0.5 A short-circuit-proof width 6.2 mm spring-loaded terminal (push-in) thermal current 0.5 A 

|!!! phased-out product !!! the preferred successor is 3RQ4070-2SG30 input coupler<br>optocoupler 1 NO contact, transistor input 110-230 V AC/DC output max. 30 V DC,<br>0.5 A short-circuit-proof width 6.2 mm spring-loaded terminal (push-in) thermal<br>current 0.5 A<br>**product brand name**<br>SIRIUS<br>**product category**<br>SIRIUS 3RQ3 couplingrelays in slim design<br>**product designation**<br>Couplingrelays with semiconductor output(notplug-in)<br>**design of theproduct**<br>Input 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>No<br>● semi-conductor output<br>Yes<br>**consumed activepower**<br>0.5 W<br>**surge voltage resistance rated value**<br>4 kV<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>**switching frequency**<br>0.2 Hz<br>**thermal current**<br>0.5 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>0.031 kg<br>**Control circuit/ Control**<br>**control supply voltage at AC**<br>● at 50 Hz rated value<br>110 ... 230 V<br>● at 60 Hz rated value<br>110 ... 230 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>110 ... 230 V<br>**operating range factor control supply voltage rated value at**<br>**DC**<br>● initial value<br>0.7<br>● full-scale value<br>1.1<br>**operating range factor control supply voltage rated value at**<br>**AC at 50 Hz**<br>● initial value<br>0.7<br>● full-scale value<br>1.1<br>**operating range factor control supply voltage rated value at**<br>~~|~~<br>~~|~~|!!! phased-out product !!! the preferred successor is 3RQ4070-2SG30 input coupler<br>optocoupler 1 NO contact, transistor input 110-230 V AC/DC output max. 30 V DC,<br>0.5 A short-circuit-proof width 6.2 mm spring-loaded terminal (push-in) thermal<br>current 0.5 A||
|---|---|---|
||SIRIUS||
||SIRIUS 3RQ3 couplingrelays in slim design||
||Couplingrelays with semiconductor output(notplug-in)||
||Input couplinglink||
||3RQ3||
||~~|~~||
||110 ... 230 V||
||110 ... 230 V||
||||
||50 Hz||
||60 Hz||
||110 ... 230 V||
||||
||0.7||
||1.1||
||||
||0.7||
||1.1||
||||



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|**AC at 60 Hz**||
|---|---|
|● initial value|0.7|
|● full-scale value|1.1|
|**minimum switching voltage when switching on**|74 V|
|**maximum switching voltage when switching off**|20 V|
|**ON-delay time**||
|● at AC maximum|5 ms|
|● at DC maximum|3 ms|
|**OFF-delay time maximum**|7 ms|
|**Mechanical data**||
|**product component plug-in socket**|No|
|**Auxiliary circuit**||
|**type of switching contact**|NO contact|
|**number of NO contacts for auxiliary contacts**|1|
|**Main circuit**||
|**type of voltage**|AC/DC|
|**Inputs/ Outputs**||
|**property of the output short-circuitproof**|No|
|**switching voltage of the semiconductor output at DC**|10 ... 30 V|
|**ampacity of the semiconductor output at DC**|10 mA ... 0.5 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|spring-loaded terminals(push-in)|
|**type of connectable conductor cross-sections**||
|● solid|1x(0.25 ... 2.5 mm²)|
|● finelystranded with core endprocessing|1x(0.25 ... 1.5 mm²)|
|● finelystranded without core endprocessing|1x(0.25 ... 2.5 mm²)|
|● for AWG cables solid|1x(20 ... 14)|
|● for AWG cables stranded|1x(20 ... 14)|
|**connectable conductor cross-section**||
|● solid|0.25 ... 2.5 mm²|
|● finelystranded with core endprocessing|0.25 ... 1.5 mm²|
|● finelystranded without core endprocessing|0.25 ... 2.5 mm²|
|**AWG number as coded connectable conductor cross**<br>**section**||
|● solid|20 ... 14|
|● stranded|20 ... 14|
|**Installation/ mounting/ dimensions**||
|**mounting position**|any|
|**fastening method**|snap-on mounting|
|**height**|93 mm|
|**width**|6.2 mm|
|**depth**|72.5 mm|
|**required spacing**||
|● with side-by-side mounting||
|— forwards|0 mm|



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|— backwards|— 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||0 mm|
|**Ambient conditions**<br>~~et~~|||
|installation altitude at height above sea level maximum<br>~~et~~||2 000 m<br>~~et~~|
|**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~~||



~~e~~ **Further information** ~~e~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 **Information for data generation and storage** https://support.industry.siemens.com/cs/ww/en/view/109995012 

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~~a~~ **last modified:** 4/9/2026 

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