Image not available
Illustrative purposes only
3RA2120-1KA24-0AP0
Load Feeder, Fuseless, Direct On Line, 3RA2 Series, Three Phase, 9 A to 12.5 A, 230 VAC, Screw
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: SIEMENS
- Product type: Motor Starters
- SVHC: To Be Advised
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 183.99 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
**3RA2120-1KA24-0AP0** **Data sheet** Load feeder fuseless, Direct-on-line starting 400 V AC, Size S0 9.00...12.5 A 230 V AC screw terminal for installation on standard mounting rail (also fulfills type of coordination 1) Type of coordination 2, Iq = 150 kA 1 NO+1 NC (contactor) ||Load feeder fuseless, Direct-on-line starting 400 V AC, Size S0 9.00...12.5 A 230 V<br>AC screw terminal for installation on standard mounting rail (also fulfills type of<br>coordination 1) Type of coordination 2, Iq = 150 kA 1 NO+1 NC (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>~~———————~~|3RT2024-1AP00| |● of the supplied circuit-breakers<br>~~———————~~|3RV2011-1KA10| |● of the supplied link module<br>~~———————~~|3RA2921-1AA00| |**General technical data**<br>~~———————~~|| |**size of the circuit-breaker**<br>~~———————~~|S00| |**size of load feeder**|S0| |**power loss[W] for rated value of the current**|| |● at AC in hot operatingstateperpole|3.4 W| |● without load current share typical|7.6 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|10 000 000| |**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**|0.824 kg| |**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**|9 ... 12.5 A| |**operating voltage**|| |● rated value|690 V| Subject to change without notice © Copyright Siemens 3RA21201KA240AP0 Page 1/5 5/30/2026 ||● 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|12 A|| ||● at AC-3e at 400 V rated value|12 A|| ||**operating power**||| ||● at AC-3||| ||— at 400 V rated value|5 500 W|| ||● at AC-3e||| ||— at 400 V rated value|5 500 W|| ||**Control circuit/ Control**||| ||**type of voltage of the control supply voltage**|AC|| ||**control supply voltage at AC**||| ||● at 50 Hz rated value|230 V|| ||**apparent holding power of magnet coil at AC**|7.6 VA|| ||● at 50 Hz|7.6 VA|| ||**inductivepower factor with the holding power of the coil**|0.25|| ||● at 50 Hz|0.25|| ||**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|163 A|| ||**UL/CSA ratings**||| ||**full-load current(FLA) for 3-phase AC motor**||| ||● at 480 V rated value|11 A|| ||● at 600 V rated value|10 A|| ||**yielded mechanicalperformance[hp]**||| ||● for single-phase AC motor||| ||— at 110/120 V rated value|0.75 hp|| ||— at 230 V rated value|2 hp|| ||● for 3-phase AC motor||| ||— at 200/208 V rated value|3 hp|| ||— at 220/230 V rated value|3 hp|| ||— at 460/480 V rated value|7.5 hp|| ||— at 575/600 V rated value|10 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**|193 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|| Subject to change without notice © Copyright Siemens 3RA21201KA240AP0 Page 2/5 5/30/2026 — upwards 50 mm — downwards 10 mm — at the side 20 mm **Connections/ Terminals** ~~a~~ **type of electrical connection** ● for main current circuit screw-type terminals ● for auxiliary and control circuit screw-type terminals ~~et~~ **Safety related data** product function suitable for safety function Yes ~~ee~~ Electrical Safety **touch protection on the front according to IEC 60529** finger-safe, for vertical contact from the front ~~ee~~ **Communication/ Protocol protocol is supported** ● PROFINET IO protocol No ● PROFIsafe protocol No protocol is supported AS-Interface protocol No ~~oo~~ **Approvals Certificates Environment General Product Approval** Environmental Confirmations **For use in hazardous locations Test Certificates Maritime application** - - Type Test Certific Special Test Certific ates/Test Report ate ren itas! **Maritime application other** Confirmation Confirmation ~~=9~~ **other Railway** - Special Test Certific ~~—~~ ate QC PASS **Further information** ~~ee~~ **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=3RA2120-1KA24-0AP0 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3RA2120-1KA24-0AP0 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RA2120-1KA24-0AP0&lang=en **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RA2120-1KA24-0AP0 **Characteristic curves** https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no> Subject to change without notice © Copyright Siemens 3RA21201KA240AP0 Page 3/5 5/30/2026 **==> picture [511 x 718] intentionally omitted <==** Subject to change without notice © Copyright Siemens 3RA21201KA240AP0 Page 4/5 5/30/2026 **last modified:** **==> picture [277 x 368] intentionally omitted <==** **----- Start of picture text -----**<br> -Q<br>F<br>-Q1<br>tty<br>I> I> I><br>-Q11<br>4/24/2026<br>NO NC<br>A1 1/L1 3/L2 5/L3 13 21<br>2A T1/ T2/ T3/ NO NC<br>2 4 6<br>14 22<br>**----- End of picture text -----**<br> Subject to change without notice © Copyright Siemens 3RA21201KA240AP0 Page 5/5 5/30/2026
Updated at April 28, 2026
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →