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3RV2042-4FA10
Thermal Magnetic Circuit Breaker, MPCB, 3RV2, 3P, 100 kA, 400 V, 40 A
⚠️ 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: Thermal Magnetic Circuit Breakers
- Product Range: SIRIUS 3RV2 Series
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 456.26 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
**3RV2042-4FA10** **Data sheet** Circuit breaker size S3 for motor protection, CLASS 10 A-release 28...40 A N- release 520 A screw terminal Increased switching capacity 100 kA |**product brand name**|SIRIUS| |---|---| |**product designation**|Circuit breaker| |**design of theproduct**|For motorprotection| |**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|23 W| |● at AC in hot operatingstateperpole|7.7 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**|40 A| |**Substance Prohibitance(day/month/year)**|03/01/2017| |**SVHC substance name**|Lead CAS-No. 7439-92-1| |**Net Weight**|2.193 kg| |**Ambient conditions**|| Subject to change without notice © Copyright Siemens 3RV20424FA10 Page 1/7 5/30/2026 |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**|28 ... 40 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**|40 A| |**operational current**|| |● at AC-3 at 400 V rated value|40 A| |● at AC-3e at 400 V rated value|40 A| |**operating power**|| |● at AC-3|| |— at 230 V rated value|11 kW| |— at 400 V rated value|18.5 kW| |— at 500 V rated value|22 kW| |— at 690 V rated value|37 kW| |● at AC-3e|| |— at 230 V rated value|11 kW| |— at 400 V rated value|18.5 kW| |— at 500 V rated value|22 kW| |— at 690 V rated value|37 kW| |**operating frequency**|| |● at AC-3 maximum|15 1/h| |● at AC-3e maximum|15 1/h| |**Auxiliary circuit**|| |**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|18 kA| |● at AC at 690 V rated value|12 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|9 kA| |● at 690 V rated value|6 kA| |response value current of instantaneous short-circuit trip unit|520 A| Subject to change without notice © Copyright Siemens 3RV20424FA10 Page 2/7 5/30/2026 |**UL/CSA ratings**|**UL/CSA ratings**| |---|---| |**full-load current(FLA) for 3-phase AC motor**|| |● at 480 V rated value|40 A| |● at 600 V rated value|40 A| |**yielded mechanicalperformance[hp]**|| |● for single-phase AC motor|| |— at 110/120 V rated value|3 hp| |— at 230 V rated value|7.5 hp| |● for 3-phase AC motor|| |— at 200/208 V rated value|15 hp| |— at 220/230 V rated value|15 hp| |— at 460/480 V rated value|30 hp| |— at 575/600 V rated value|40 hp| |**Short-circuit protection**|| |**product function short circuitprotection**|Yes| |**design of the short-circuit trip**|magnetic| |certificate of suitabilityaccordingto ATEX directive 2014/34/EU|DMT 02 ATEX F 001| |**type of protection according to ATEX directive 2014/34/EU**|Ex II(2)GD| |**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**|70 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 live parts at 500 V|| Subject to change without notice © Copyright Siemens 3RV20424FA10 Page 3/7 5/30/2026 |— downwards|110 mm| |---|---| |— upwards|110 mm| |— at the side|10 mm| |● forgroundedparts at 690 V|| |— downwards|150 mm| |— upwards|150 mm| |— at the side|30 mm| |● for liveparts at 690 V|| |— downwards|150 mm| |— upwards|150 mm| |— at the side|30 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| |**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| |**AWG number as coded connectable conductor cross**<br>**section for main contacts**|10 ... 2| |**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| |**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 accordingto SN 31920|50 %| |**B10 value with high demand rate according to SN 31920**|5 000| |**failure rate [FIT] with low demand rate according to SN**<br>**31920**|50 FIT| |ISO 13849|| |**device type according to ISO 13849-1**|3| |**overdimensioning according to ISO 13849-2 necessary**|Yes| |IEC 61508|| |**safety device type according to IEC 61508-2**|Type A| |**T1 value**|| |● for proof test interval or service life according to IEC<br>61508|10 a| |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| |**Display**|| |display version for switching status|Handle| Subject to change without notice © Copyright Siemens 3RV20424FA10 Page 4/7 5/30/2026 **==> picture [511 x 722] intentionally omitted <==** **----- Start of picture text -----**<br> Approvals Certificates<br>Environmental Product Declaration<br>— ● global warming potential [CO2 eq] / during manufacturing 18.5 kg<br>● global warming potential [CO2 eq] / during sales 1.24 kg<br>● global warming potential [CO2 eq] / during operation 265 kg<br>● global warming potential [CO2 eq] / after end of life -1.5 kg<br>● global warming potential [CO2 eq] / total 283.24 kg<br>Environment General Product Approval<br>Environmental Con-<br>firmations<br>For use in hazard-<br>General Product Approval ous locations<br>Ic EAL ce es<br>For use in hazard-<br>ous locations Test Certificates Maritime application<br>- -<br>Special Test Certific Type Test Certific<br>ate ates/Test Report<br>© ~~<br>@ ©<br>Maritime application other<br>O Confirmation Miscellaneous Confirmation<br>a<br>S<br>other Railway<br>— Miscellaneous Confirmation Special Test Certific-<br>ate<br>eg — ——<br>e Further information e<br>Information on the packaging<br>https://support.industry.siemens.com/cs/ww/en/view/109813875<br>Information for data generation and storage<br>https://support.industry.siemens.com/cs/ww/en/view/109995012<br>Information- and Downloadcenter (Catalogs, Brochures,…)<br>https://www.siemens.com/ic10<br>Industry Mall (Online ordering system)<br>https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3RV2042-4FA10<br>Service&Support (Manuals, Certificates, Characteristics, FAQs,...)<br>https://support.industry.siemens.com/cs/ww/en/ps/3RV2042-4FA10<br>Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)<br>https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RV2042-4FA10&lang=en<br>Cax online generator<br>https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RV2042-4FA10<br>Characteristic curves<br>https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no><br>**----- End of picture text -----**<br> Subject to change without notice © Copyright Siemens 3RV20424FA10 Page 5/7 5/30/2026 **==> picture [343 x 365] intentionally omitted <==** **----- Start of picture text -----**<br> -F<br>I> I> I><br>last modified: 5/5/2026<br>1/L1 3/L2 5/L3<br>/T1 /T2 /T3<br>2 4 6<br>**----- End of picture text -----**<br> Subject to change without notice © Copyright Siemens 3RV20424FA10 Page 6/7 5/30/2026 Subject to change without notice © Copyright Siemens 3RV20424FA10 Page 7/7 5/30/2026
Updated at June 7, 2026
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