3RV2142-4YA10

**3RV2142-4YA10** 

**Data sheet** 

circuit breaker size S3 for motor protection Class 10 with overload relay function thermal release 75...93 A short-circuit release 1300 A screw terminal increased switching capacity 100 kA 

|**product brand name**|SIRIUS|
|---|---|
|**product designation**|Circuit breaker|
|**design of theproduct**|For motorprotection with overload relayfunction|
|**product type designation**|3RV2|
|**General technical data**||
|**Product equipment of circuit breaker for motor protection**|Yes|
|**complete unit withprotection device**||
|**size of the circuit-breaker**|S3|
|**size of contactor can be combined company-specific**|S3|
|product function disconnector functionality|Yes|
|product extension auxiliaryswitch|Yes|
|**power loss[W] for rated value of the current**||
|● at AC in hot operatingstate|39 W|
|● at AC in hot operatingstateperpole|13 W|
|**type of calculation ofpower loss current-dependent**|quadratic|
|insulation voltage with degree ofpollution 3 at AC rated value|1 000 V|
|**surge voltage resistance rated value**|8 kV|
|**maximumpermissible voltage forprotective separation**||
|● in networks with ungrounded star point between main and|400 V|
|auxiliarycircuit||
|● in networks with grounded star point between main and|400 V|
|auxiliarycircuit||
|**protection class IP**||
|● on the front accordingto IEC 60529|IP20|
|● on the front|IP20|
|● of the terminal|IP00|
|**shock resistance according to IEC 60068-2-27**|25g/ 11 ms Sinus|
|**mechanical service life(operating cycles)**||
|● of the main contacts typical|25 000|
|● of auxiliarycontacts typical|25 000|
|electrical endurance(operatingcycles)typical|25 000|
|**reference code according to IEC 81346-2**|Q|
|**continuous current rated value**|93 A|
|**Substance Prohibitance(day/month/year)**|03/01/2017|
|**SVHC substance name**|Lead CAS-No. 7439-92-1|
|**Net Weight**|2.341 kg|
|**Ambient conditions**||



Subject to change without notice © Copyright Siemens 

3RV21424YA10 Page 1/7 

5/31/2026 

|installation altitude at height above sea level maximum|2 000 m|
|---|---|
|**ambient temperature**||
|● duringoperation|-20 ... +60 °C|
|● duringstorage|-50 ... +80 °C|
|● duringtransport|-50 ... +80 °C|
|**temperature compensation**|-20 ... +60 °C|
|relative humidityduringoperation|10 ... 95 %|
|**Main circuit**||
|**number ofpoles for main current circuit**|3|
|**adjustable current response value current of the current-**<br>**dependent overload release**|75 ... 93 A|
|**type of voltage for main current circuit**|AC|
|**operating voltage**||
|● rated value|690 V|
|● rated value|20 ... 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 rated value**|93 A|
|**operational current**||
|● at AC-3 at 400 V rated value|93 A|
|● at AC-3e at 400 V rated value|93 A|
|**operating power**||
|● at AC-3||
|— at 230 V rated value|22 kW|
|— at 400 V rated value|45 kW|
|— at 500 V rated value|55 kW|
|— at 690 V rated value|90 kW|
|● at AC-3e||
|— at 230 V rated value|22 kW|
|— at 400 V rated value|45 kW|
|— at 500 V rated value|55 kW|
|— at 690 V rated value|90 kW|
|**operating frequency**||
|● at AC-3 maximum|15 1/h|
|● at AC-3e maximum|15 1/h|
|**Auxiliary circuit**||
|**design of the auxiliary switch**|laterally|
|**type of voltage for auxiliary and control circuit**|AC/DC|
|**number of NC contacts for auxiliary contacts**|0|
|**number of NO contacts for auxiliary contacts**|0|
|number of CO contacts for auxiliarycontacts|0|
|**Protective and monitoring functions**||
|**product function**||
|●ground fault detection|No|
|●phase failure detection|Yes|
|**trip class**|CLASS 10|
|**design of the overload release**|thermal|
|**protection function thermal overloadprotection(ANSI 49)**|Yes|
|**maximum short-circuit current breaking capacity (Icu)**||
|● at AC at 240 V rated value|100 kA|
|● at AC at 400 V rated value|100 kA|
|● at AC at 500 V rated value|10 kA|
|● at AC at 690 V rated value|6 kA|
|**operating short-circuit current breaking capacity (Ics) at AC**||
|● at 240 V rated value|100 kA|
|● at 400 V rated value|50 kA|
|● at 500 V rated value|5 kA|
|● at 690 V rated value|3 kA|



Subject to change without notice © Copyright Siemens 

3RV21424YA10 Page 2/7 

5/31/2026 

|response value current of instantaneous short-circuit trip unit|1 300 A|
|---|---|
|**UL/CSA ratings**||
|**full-load current(FLA) for 3-phase AC motor**||
|● at 480 V rated value|93 A|
|● at 600 V rated value|93 A|
|**yielded mechanicalperformance[hp]**||
|● for single-phase AC motor||
|— at 110/120 V rated value|7.5 hp|
|— at 230 V rated value|20 hp|
|● for 3-phase AC motor||
|— at 200/208 V rated value|30 hp|
|— at 220/230 V rated value|40 hp|
|— at 460/480 V rated value|75 hp|
|— at 575/600 V rated value|100 hp|
|**Short-circuit protection**||
|**product function short circuitprotection**|Yes|
|**design of the short-circuit trip**|magnetic|
|**Installation/ mounting/ dimensions**||
|**mounting position**|any|
|**fastening method**|screw and snap-on mountingonto 35 mm DIN rail accordingto DIN EN 60715|
|**Mounting method of circuit breaker for Transformer**<br>**protection, Generator protection and system protection**<br>**optional standard bar mounting**|Yes|
|**height**|165 mm|
|**width**|90 mm|
|**depth**|176 mm|
|**required spacing**||
|● with side-by-side mounting||
|— forwards|0 mm|
|— backwards|0 mm|
|— upwards|150 mm|
|— downwards|150 mm|
|— at the side|0 mm|
|● forgroundedparts||
|— forwards|0 mm|
|— backwards|0 mm|
|— upwards|150 mm|
|— at the side|30 mm|
|— downwards|150 mm|
|● for liveparts||
|— forwards|0 mm|
|— backwards|0 mm|
|— upwards|150 mm|
|— downwards|150 mm|
|— at the side|30 mm|
|● forgroundedparts at 400 V||
|— downwards|70 mm|
|— upwards|70 mm|
|— at the side|10 mm|
|● for liveparts at 400 V||
|— downwards|70 mm|
|— upwards|70 mm|
|— at the side|10 mm|
|● forgroundedparts at 500 V||
|— downwards|110 mm|
|— upwards|110 mm|
|— at the side|10 mm|
|● for liveparts at 500 V||
|— downwards|110 mm|



Subject to change without notice © Copyright Siemens 

3RV21424YA10 Page 3/7 

5/31/2026 

|— upwards|110 mm|
|---|---|
|— at the side|10 mm|
|● forgroundedparts at 690 V||
|— downwards|150 mm|
|— upwards|150 mm|
|— backwards|0 mm|
|— at the side|30 mm|
|— forwards|0 mm|
|● for liveparts at 690 V||
|— downwards|150 mm|
|— upwards|150 mm|
|— backwards|0 mm|
|— at the side|30 mm|
|— forwards|0 mm|
|**Connections/ Terminals**||
|**product component removable terminal for auxiliary and**<br>**control circuit**|No|
|**type of electrical connection**||
|● for main current circuit|screw-type terminals|
|● for auxiliaryand control circuit|screw-type terminals|
|**arrangement of electrical connectors for main current**<br>**circuit**|Top and bottom|
|**type of connectable conductor cross-sections**||
|● for main contacts||
|— solid|2x(2.5 ... 16 mm²)|
|— solid or stranded|2x(2,5 ... 50 mm²), 1x(10 ... 70 mm²)|
|— finelystranded with core endprocessing|2x(2.5 ... 35 mm²), 1x(2.5 ... 50 mm²)|
|— finelystranded without core endprocessing|2x(10 ... 35 mm²), 1x(10 ... 50 mm²)|
|**connectable conductor cross-section for main contacts**||
|● finelystranded with core endprocessing|2.5 ... 50 mm²|
|● finelystranded without core endprocessing|10 ... 50 mm²|
|**connectable conductor cross-section for auxiliary contacts**||
|● solid or stranded|0.5 ... 2.5 mm²|
|● finelystranded with core endprocessing|0.5 ... 2.5 mm²|
|**type of connectable conductor cross-sections**||
|● for auxiliarycontacts||
|— finelystranded with core endprocessing|2x(0.5 ... 1.5 mm²), 2x(0.75 ... 2.5 mm²)|
|● for AWG cables for auxiliarycontacts|2x(20 ... 16), 2x(18 ... 14)|
|**AWG number as coded connectable conductor cross**<br>**section for main contacts**|10 ... 2|
|**AWG number as coded connectable conductor cross**<br>**section for auxiliary contacts**|20 ... 14|
|**tightening torque**||
|● for main contacts for ringcable lug|4.5 ... 6 N·m|
|**outer diameter of the usable ring cable lug maximum**|19 mm|
|**tightening torque**||
|● for main contacts with screw-type terminals|4.5 ... 6 N·m|
|● for auxiliarycontacts with screw-type terminals|0.8 ... 1.2 N·m|
|**design of the thread of the connection screw**||
|● of the auxiliaryand control contacts|M3|
|**Safety related data**||
|product function suitable for safetyfunction|Yes|
|**suitability for use**||
|● safety-related switchingon|No|
|● safety-related switchingOFF|Yes|
|**service life maximum**|10 a|
|**test wear-related service life necessary**|Yes|
|**proportion of dangerous failures**||
|● with low demand rate accordingto SN 31920|40 %|
|● with high demand rate according to SN 31920|50 %|



Subject to change without notice © Copyright Siemens 

3RV21424YA10 Page 4/7 

5/31/2026 

**B10 value with high demand rate according to SN 31920** 5 000 **failure rate [FIT] with low demand rate according to SN** 50 FIT **31920** ISO 13849 ~~ee~~ **device type according to ISO 13849-1** 3 **overdimensioning according to ISO 13849-2 necessary** Yes IEC 61508 ~~—E———————————————~~ **safety device type according to IEC 61508-2** Type A **T1 value** ● for proof test interval or service life according to IEC 10 a 61508 ~~rr~~ Electrical Safety **protection class IP on the front according to IEC 60529** IP20 **touch protection on the front according to IEC 60529** finger-safe, for vertical contact from the front ~~a~~ **Display** display version for switching status Handle **Approvals Certificates** ~~ee~~ Environmental Product Declaration ● global warming potential [CO2 eq] / during manufacturing 18.5 kg ● global warming potential [CO2 eq] / during sales 1.24 kg ● global warming potential [CO2 eq] / during operation 265 kg ● global warming potential [CO2 eq] / after end of life -1.5 kg ● global warming potential [CO2 eq] / total 283.24 kg **Environment General Product Approval** 

Environmental Confirmations — ~~———~~ 

**General Product Approval Test Certificates** 

- - Special Test Certific Type Test Certific ate ates/Test Report FAL c ~~cy~~ **Maritime application** ~~e~~ > oY 3 : £ **other Railway** Miscellaneous Confirmation Miscellaneous Special Test Certific-Confirmation ate 

Miscellaneous Confirmation Miscellaneous Special Test Certific-Confirmation ate QC PASS ~~rs: a~~ **Further information 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=3RV2142-4YA10 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3RV2142-4YA10 

Subject to change without notice © Copyright Siemens 

3RV21424YA10 Page 5/7 

5/31/2026 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RV2142-4YA10&lang=en **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RV2142-4YA10 **Characteristic curves** https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no> 

**==> picture [203 x 225] intentionally omitted <==**

Subject to change without notice © Copyright Siemens 

3RV21424YA10 Page 6/7 

5/31/2026 

**==> picture [411 x 360] intentionally omitted <==**

**----- Start of picture text -----**<br>
TEST<br>|<br>|<br>-F<br>| [|]<br>| [|]<br>I> I> I><br>last modified: 5/5/2026 g<br>1/L1 3/L2 5/L3 95 97<br>1T 2T 3T 96 98<br>2/ 4/ 6/<br>**----- End of picture text -----**<br>


Subject to change without notice © Copyright Siemens 

3RV21424YA10 Page 7/7 

5/31/2026