3RA2110-0KE15-1BB4

**3RA2110-0KE15-1BB4** 

**Data sheet** 

||Load feeder fuseless, Direct-on-line starting 400 V AC, Size S00 0.90...1.25 A 24 V<br>DC Spring-type terminal for installation on standard mounting rail (also fulfills type<br>of coordination 1) Type of coordination 2, Iq = 150 kA 1 NO (contactor)|
|---|---|
|**product brand name**|SIRIUS|
|**product designation**|Direct(on-line)starter|
|**design of theproduct**|for DIN-rail or screw mounting|
|**product type designation**|3RA21|
|**manufacturer's article number**||
|● of the supplied contactor<br>~~ae~~|3RT2015-2BB41<br>~~ae~~|
|● of the supplied circuit-breakers<br>~~ae~~|3RV2011-0KA20<br>~~ae~~|
|● of the supplied link module<br>~~ae~~|3RA2911-2AA00<br>~~ae~~|
|**General technical data**<br>~~ae~~||
|**size of the circuit-breaker**<br>~~ae~~|S00<br>~~ae~~|
|**size of load feeder**|S00|
|**power loss[W] for rated value of the current**||
|● at AC in hot operatingstateperpole|2.6 W|
|● without load current share typical|4 W|
|**type of calculation ofpower loss current-dependent**|quadratic|
|insulation voltage with degree ofpollution 3 at AC rated value|690 V|
|**surge voltage resistance rated value**|6 kV|
|**degree ofprotection NEMA rating**|other|
|**shock resistance according to IEC 60068-2-27**|6g/ 11 ms|
|mechanical service life(operatingcycles)of contactor typical|30 000 000|
|**type of coordination**|2|
|**reference code according to IEC 81346-2:2019**|Q|
|**Substance Prohibitance(day/month/year)**|10/01/2009|
|**SVHC substance name**|Lead CAS-No. 7439-92-1|
|**Net Weight**|0.733g|
|**Ambient conditions**<br>~~|~~||
|**ambient temperature**<br>~~|~~|~~|~~|
|● duringoperation|-20 ... +60 °C|
|● duringstorage|-50 ... +80 °C|
|● duringtransport|-50 ... +80 °C|
|**temperature compensation**|-20 ... +60 °C|
|relative humidityduringoperation|10 ... 95 %|
|**Main circuit**<br>~~|~~||
|**number ofpoles for main current circuit**<br>~~|~~|3<br>~~|~~|
|**design of the switching contact**|electromechanical|
|**adjustable current response value current of the current-**<br>**dependent overload release**|0.9 ... 1.25 A|
|**operating voltage**||
|● rated value|690 V|
|● at AC-3 rated value maximum|690 V|
|● at AC-3e rated value maximum|690 V|
|**operating frequency rated value**|50 ... 60 Hz|
|**operational current**||
|● at AC-3 at 400 V rated value|1.3 A|
|● at AC-3e at 400 V rated value|1.25 A|
|**operating power**||
|● at AC-3||
|— at 400 V rated value|370 W|
|● at AC-3e||



Subject to change without notice © Copyright Siemens 

3RA21100KE151BB4 Page 1/3 

5/30/2026 

|— at 400 V rated value|— at 400 V rated value|370 W|370 W|
|---|---|---|---|
|**Control circuit/ Control**||||
|**type of voltage of the control supply voltage**||DC||
|**control supply voltage at DC rated value**||24 V||
|**holding power of magnet coil at DC**||4 W||
|**Auxiliary circuit**||||
|**product extension auxiliary switch**||Yes||
|**Protective and monitoring functions**||||
|**trip class**||CLASS 10||
|**design of the overload release**||thermal(bimetallic)||
|response value current of instantaneous short-circuit trip unit||16 A||
|**UL/CSA ratings**||||
|**full-load current(FLA) for 3-phase AC motor**||||
|● at 480 V rated value||1.3 A||
|● at 600 V rated value||1.3 A||
|**yielded mechanicalperformance[hp]**||||
|● for 3-phase AC motor||||
|— at 460/480 V rated value||0.8 hp||
|— at 575/600 V rated value||0.8 hp||
|**Short-circuit protection**||||
|**product function short circuitprotection**||Yes||
|**design of the short-circuit trip**||magnetic||
|**conditional short-circuit current(Iq)**||||
|● at 400 V accordingto IEC 60947-4-1 rated value||150 000 A||
|**Installation/ mounting/ dimensions**||||
|**mounting position**||vertical||
|**fastening method**||screw and snap-on mountingonto 35 mm DIN rail||
|**height**||198 mm||
|**width**||45 mm||
|**depth**||97 mm||
|**required spacing**||||
|● forgroundedparts||||
|— forwards||20 mm||
|— backwards||0 mm||
|— upwards||50 mm||
|— at the side||20 mm||
|— downwards||10 mm||
|● for liveparts||||
|— forwards||20 mm||
|— backwards||0 mm||
|— upwards||50 mm||
|— downwards||10 mm||
|— at the side||20 mm||
|**Connections/ Terminals**||||
|**type of electrical connection**||||
|● for main current circuit||spring-loaded terminals||
|● for auxiliaryand control circuit||spring-loaded terminals||
|**Safety related data**||||
|product function suitable for safetyfunction||Yes||
|Electrical Safety||||
|**touch protection on the front according to IEC 60529**||finger-safe, for vertical contact from the front||
|**Communication/ Protocol**||||
|**protocol is supported**||||
|● PROFINET IOprotocol||No||
|● PROFIsafeprotocol||No||
|protocol is supported AS-Interface protocol||No||
|**Approvals Certificates**||||
|**Environment**|**General Product Approval**||**For use in hazard-**|



Subject to change without notice © Copyright Siemens 

3RA21100KE151BB4 Page 2/3 

5/30/2026 

**==> picture [487 x 301] intentionally omitted <==**

**----- Start of picture text -----**<br>
ous locations<br>Environmental Con-<br>firmations<br>— @ TH ce KK ©<br>Test Certificates Maritime application<br>- -<br>Type Test Certific Special Test Certific<br>ates/Test Report ate<br>——<br>® 6 ips<br>Maritime application other<br>Confirmation Confirmation<br>ri — ( RR<br>Railway Dangerous goods<br>-<br>Special Test Certific Transport Information<br>ate<br>**----- End of picture text -----**<br>


~~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 **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=3RA2110-0KE15-1BB4 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3RA2110-0KE15-1BB4 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RA2110-0KE15-1BB4&lang=en **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RA2110-0KE15-1BB4 **Characteristic curves** https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no> 

**last modified:** 

4/24/2026 

Subject to change without notice © Copyright Siemens 

3RA21100KE151BB4 Page 3/3 

5/30/2026