# Power Controller, 3RF2 Series Solid State Relay

![Product image](https://novapart.co/image/farnell:3481120/)

**URL**: https://novapart.co/products/3RF2950-0KA16/power-controller-3rf2-series-solid-state-relay
**SKU**: 3RF2950-0KA16
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Industrial Switches & Control Stations || Industrial Switch Accessories
**Price**: €316.1500
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3481120/)

**3RF2950-0KA16** 

**Data sheet** 

***phase-out type*** power controller current range 50 A / 40 °C 400 … 600 V / 24 V AC/DC with partial load monitoring for semiconductor relay/contactor 

|20,8,|***phase-out type*** power controller current range 50 A / 40 °C 400 … 600 V / 24<br>V AC/DC with partial load monitoring for semiconductor relay/contactor|
|---|---|
|**product brand name**|SIRIUS|
|**product designation**|power controller|
|**product type designation**|3RF29|
|**manufacturer's article number**||
|●_1 of the accessories that can be ordered|3RF2900-0RA88|
|**product designation**||
|●_1 of the accessories that can be ordered|sealable end cover|
|● _2 of the accessories that can be ordered|input reactor / 1AC|
|**General technical data**<br>~~|~~||
|**product function**<br>~~|~~|for 3RF21/23 solid-state relays/solid-state contactors<br>~~|~~|
|**power loss[W] for rated value of the current**||
|● without load current share typical|1 W|
|**insulation voltage rated value**|600 V|
|**degree ofpollution**|3|
|surge voltage resistance of main circuit rated value|2.5 kV|
|**protection class IP**|IP20|
|protection class IP on the front accordingto IEC 60529|IP20|
|**shock resistance according to IEC 60068-2-27**|15g/ 11 ms|
|**vibration resistance according to IEC 60068-2-6**|2g|
|**reference code according to IEC 81346-2**|K|
|**Substance Prohibitance(day/month/year)**|05/01/2012|
|**SVHC substance name**|Lead CAS-No. 7439-92-1<br>Lead monoxide (lead oxide) CAS-No. 1317-36-8<br>2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (UV-329) CAS-No.<br>3147-75-9<br>2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-<br>10-5<br>Melamine CAS-No. 108-78-1<br>6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1|
|**Net Weight**|0.169 kg|
|**Main circuit**<br>~~ee~~||
|**number ofpoles for main current circuit**<br>~~ee~~|0<br>~~ee~~|
|**number of NO contacts for main contacts**|0|
|**number of NC contacts for main contacts**|0|
|operatingvoltage at AC||
|● at 50 Hz rated value|400 ... 600 V|
|● at 60 Hz rated value|400 ... 600 V|
|**operating frequency rated value**|50 ... 60 Hz|
|**relative symmetrical tolerance of the operating frequency**|10 %|
|**operating range relative to the operating voltage at AC**||
|● at 50 Hz|340 ... 660 V|



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|● at 60 Hz|340 ... 660 V|
|---|---|
|**operational current**||
|● at AC-51 rated value|50 A|
|**derating temperature**|40 °C|
|**teach range current initial value**|1.6 A|
|**teach range current full-scale value**|50 A|
|**partial load for load monitoring**|1.6 A|
|**Control circuit/ Control**||
|**type of voltage**|AC/DC|
|**control supply voltage at AC**||
|● at 50 Hz rated value|20.5 ... 26.5 V|
|● at 60 Hz rated value|20.5 ... 26.5 V|
|**control supply voltage at AC**||
|● at 50 Hz full-scale value for signal<0> recognition|5 V|
|● at 60 Hz full-scale value for signal<0> recognition|5 V|
|**control supply voltage at DC rated value**|18 ... 30 V|
|control supply voltage at DC full-scale value for signal<0><br>recognition|5 V|
|**supply voltage frequency for auxiliary and control circuit**<br>**rated value**|50 ... 60 Hz|
|**symmetrical line frequency tolerance**|5 Hz|
|**control current at minimum control supply voltage**||
|● at AC|2 mA|
|● at DC|2 mA|
|control current at AC rated value|40 mA|
|control current at DC rated value|40 mA|
|**Auxiliary circuit**||
|**number of NC contacts for auxiliary contacts**|1|
|**number of NO contacts for auxiliary contacts**|1|
|number of CO contacts for auxiliarycontacts|0|
|**Installation/ mounting/ dimensions**||
|fasteningmethod side-by-side mounting|Yes|
|**fastening method**|clip-on|
|**height**|111.5 mm|
|**width**|45 mm|
|**depth**|69.5 mm|
|**Connections/ Terminals**||
|**type of electrical connection**||
|● for auxiliaryand control circuit|screw-type terminals|
|**type of connectable conductor cross-sections**||
|● for auxiliaryand control contacts||
|— solid|1x(0.5 ... 2.5 mm²), 2x(0.5 ... 1 mm²)|
|— finelystranded with core endprocessing|1x(0.5 ... 2.5 mm²), 2x(0.5 ... 1 mm²)|
|— finelystranded without core endprocessing|1x(0.5 ... 2.5 mm²), 2x(0.5 ... 1 mm²)|
|● for AWG cables for auxiliaryand control contacts|1x(20 ... 12)|
|tightening torque for auxiliary and control contacts with screw-<br>type terminals|0.5 ... 0.6 N·m|
|tightening torque [lbf·in] for auxiliary and control contacts with<br>screw-type terminals|4.5 ... 5.3 lbf·in|
|design of the thread of the connection screw of the auxiliary and<br>control contacts|M3|
|stripped length of the cable for auxiliaryand control contacts|7 mm|
|Electrical Safety||
|**touch protection on the front according to IEC 60529**|finger-safe, for vertical contact from the front|
|**Ambient conditions**||
|installation altitude at height above sea level maximum|1 000 m|
|**ambient temperature**||
|● duringoperation|-25 ... +60 °C|
|● duringstorage|-55 ... +80 °C|
|**Electromagnetic compatibility**||



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**conducted interference** ● due to burst according to IEC 61000-4-4 2 kV / 5 kHz, behavior criterion 2 ● due to conductor-earth surge according to IEC 61000-4-5 2 kV, behavior criterion 2 ● due to conductor-conductor surge according to IEC 1 kV, behavior criterion 2 61000-4-5 ● due to high-frequency radiation according to IEC 61000140 dBuV in the frequency range 0.15 ... 80 MHz, behavior criterion 1 4-6 **electrostatic discharge according to IEC 61000-4-2** 4 kV contact discharging / 8 kV air discharging, behavior criterion 2 **conducted HF interference emissions according to** Class A for industrial environment **CISPR11 field-bound HF interference emission according to CISPR11** Class B for the domestic, business and commercial environments ~~ee~~ **Approvals Certificates Environment General Product Approval** Environmental Confirmations **EMV Test Certificates other** Type Test CertificConfirmation Confirmation ates/Test Report ~~ae e~~ **Further information** ~~C~~ **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 **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=3RF2950-0KA16 **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RF2950-0KA16 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3RF2950-0KA16 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RF2950-0KA16&lang=en 

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**last modified:** 

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- [Supplier page](https://es.farnell.com/siemens/3rf2950-0ka16/control-gear-switch-gear/dp/3481120)
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