# Thermal Magnetic Circuit Breaker, MPCB, 3RV2, 3P, 100 kA, 400 V, 2 A

![Product image](https://novapart.co/image/farnell:3446975/)

**URL**: https://novapart.co/products/3RV2021-1BA10/thermal-magnetic-circuit-breaker-mpcb-3rv2-3p-100
**SKU**: 3RV2021-1BA10
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Thermal Magnetic Circuit Breakers
**Price**: €82.6500
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Product Range | SIRIUS 3RV2 Series |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3446975/)

**3RV2021-1BA10** 

**Data sheet** 

Circuit breaker size S0 for motor protection, CLASS 10 A-release 1.4...2 A N- release 26 A screw terminal Standard switching capacity 

|**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**|S0|
|**size of contactor can be combined company-specific**|S00, S0|
|product function disconnector functionality|Yes|
|product extension auxiliaryswitch|Yes|
|**power loss[W] for rated value of the current**||
|● at AC in hot operatingstate|7.25 W|
|● at AC in hot operatingstateperpole|2.4 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|
|**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|IP20|
|**shock resistance according to IEC 60068-2-27**|25g/ 11 ms|
|**mechanical service life(operating cycles)**||
|● of the main contacts typical|100 000|
|● of auxiliarycontacts typical|100 000|
|electrical endurance(operatingcycles)typical|100 000|
|**reference code according to IEC 81346-2**|Q|
|**continuous current rated value**|2 A|
|**Substance Prohibitance(day/month/year)**|10/01/2009|
|**SVHC substance name**|Lead CAS-No. 7439-92-1|
|**Net Weight**|352g|
|**Ambient conditions**||



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|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**|1.4 ... 2 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**|2 A|
|**operational current**||
|● at AC-3 at 400 V rated value|2 A|
|● at AC-3e at 400 V rated value|2 A|
|**operating power**||
|● at AC-3||
|— at 230 V rated value|0.4 kW|
|— at 400 V rated value|0.8 kW|
|— at 500 V rated value|0.8 kW|
|— at 690 V rated value|1.1 kW|
|● at AC-3e||
|— at 230 V rated value|0.4 kW|
|— at 400 V rated value|0.8 kW|
|— at 500 V rated value|0.8 kW|
|— at 690 V rated value|1.1 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|100 kA|
|● at AC at 690 V rated value|10 kA|
|**operating short-circuit current breaking capacity (Ics) at AC**||
|● at 240 V rated value|100 kA|
|● at 400 V rated value|100 kA|
|● at 500 V rated value|100 kA|
|● at 690 V rated value|10 kA|
|response value current of instantaneous short-circuit trip unit|26 A|



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|**UL/CSA ratings**|**UL/CSA ratings**|
|---|---|
|**full-load current(FLA) for 3-phase AC motor**||
|● at 480 V rated value|2 A|
|● at 600 V rated value|2 A|
|**yielded mechanicalperformance[hp]**||
|● for single-phase AC motor||
|— at 230 V rated value|0.13 hp|
|● for 3-phase AC motor||
|— at 460/480 V rated value|1 hp|
|— at 575/600 V rated value|1 hp|
|**UL File Number(CCN)**|E47705(NLRV, NLRV7), E156943(NKJH, NKJH7)|
|**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**|97 mm|
|**width**|45 mm|
|**depth**|97 mm|
|**required spacing**||
|● with side-by-side mounting||
|— forwards|0 mm|
|— backwards|0 mm|
|— upwards|50 mm|
|— downwards|50 mm|
|— at the side|0 mm|
|● forgroundedparts||
|— forwards|0 mm|
|— backwards|0 mm|
|— upwards|50 mm|
|— at the side|30 mm|
|— downwards|50 mm|
|● for liveparts||
|— forwards|0 mm|
|— backwards|0 mm|
|— upwards|50 mm|
|— downwards|50 mm|
|— at the side|30 mm|
|● forgroundedparts at 400 V||
|— downwards|30 mm|
|— upwards|30 mm|
|— at the side|9 mm|
|● for liveparts at 400 V||
|— downwards|30 mm|
|— upwards|30 mm|
|— at the side|9 mm|
|● forgroundedparts at 500 V||
|— downwards|30 mm|
|— upwards|30 mm|
|— at the side|9 mm|
|● for liveparts at 500 V||
|— downwards|30 mm|
|— upwards|30 mm|



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|— at the side|9 mm|
|---|---|
|● forgroundedparts at 690 V||
|— downwards|50 mm|
|— upwards|50 mm|
|— backwards|0 mm|
|— at the side|30 mm|
|— forwards|0 mm|
|● for liveparts at 690 V||
|— downwards|50 mm|
|— upwards|50 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|
|**arrangement of electrical connectors for main current**<br>**circuit**|Top and bottom|
|**type of connectable conductor cross-sections**||
|● for main contacts||
|— solid or stranded|2x(1 ... 2.5 mm²), 2x(2.5 ... 10 mm²)|
|— finelystranded with core endprocessing|2x(1 ... 2.5 mm²), 2x(2.5 ... 6 mm²), 1x 10 mm²|
|● for AWG cables for main contacts|2x(16 ... 12), 2x(14 ... 8)|
|**connectable conductor cross-section for main contacts**||
|● solid or stranded|1 ... 10 mm²|
|● finelystranded with core endprocessing|1 ... 10 mm²|
|**AWG number as coded connectable conductor cross**<br>**section for main contacts**|16 ... 8|
|**tightening torque**||
|● for main contacts with screw-type terminals|2 ... 2.5 N·m|
|**design of screwdriver shaft**|Diameter 5 to 6 mm|
|**size of the screwdriver tip**|Pozidriv size 2|
|**design of the thread of the connection screw**||
|● for main contacts|M4|
|**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|



|— at the side|9 mm|
|---|---|
|● forgroundedparts at 690 V||
|— downwards|50 mm|
|— upwards|50 mm|
|— backwards|0 mm|
|— at the side|30 mm|
|— forwards|0 mm|
|● for liveparts at 690 V||
|— downwards|50 mm|
|— upwards|50 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|
|**arrangement of electrical connectors for main current**<br>**circuit**|Top and bottom|
|**type of connectable conductor cross-sections**||
|● for main contacts||
|— solid or stranded|2x(1 ... 2.5 mm²), 2x(2.5 ... 10 mm²)|
|— finelystranded with core endprocessing|2x(1 ... 2.5 mm²), 2x(2.5 ... 6 mm²), 1x 10 mm²|
|● for AWG cables for main contacts|2x(16 ... 12), 2x(14 ... 8)|
|**connectable conductor cross-section for main contacts**||
|● solid or stranded|1 ... 10 mm²|
|● finelystranded with core endprocessing|1 ... 10 mm²|
|**AWG number as coded connectable conductor cross**<br>**section for main contacts**|16 ... 8|
|**tightening torque**||
|● for main contacts with screw-type terminals|2 ... 2.5 N·m|
|**design of screwdriver shaft**|Diameter 5 to 6 mm|
|**size of the screwdriver tip**|Pozidriv size 2|
|**design of the thread of the connection screw**||
|● for main contacts|M4|
|**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|



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|**Display**<br>~~ae~~|**Display**<br>~~ae~~|**Display**<br>~~ae~~|**Display**<br>~~ae~~|**Display**<br>~~ae~~|**Display**<br>~~ae~~|**Display**<br>~~ae~~|**Display**<br>~~ae~~|
|---|---|---|---|---|---|---|---|
|displayversion for switchingstatus||Handle||||||
|**Approvals Certificates**<br>Environmental Product Declaration<br>~~————E~~||||||||
|● global warming potential [CO2 eq] / during manufacturing||2.68 kg||||||
|● global warming potential [CO2 eq] / during sales||0.143 kg||||||
|● global warming potential [CO2 eq] / during operation||72.7 kg||||||
|● global warming potential [CO2 eq] / after end of life||-0.445 kg||||||
|● global warming potential [CO2 eq] / total||75.078 kg||75.078 kg||||
|**Environment**||||**General Product Approval**||||
|Environmental Con-<br>firmations<br>~~_—_~~<br>6<br>E<br>sr ©<br>EPD||||@||eUL)us|@|
|**General Product Approval**||||||||
|IC<br>EAL ARyY||||||ce|UK|
|**For use in hazardous locations**<br>**Test Certificates**||||||**Maritime application**||
|Special Test Certific-<br>ate<br>Type Test Certific-<br>ates/Test Report<br>© ~~~—~~||||||@|8<br>reerrae||
|**Maritime application**||||||**other**||
|:||||||Confirmation<br>~~—~~|Miscellaneous|
|**other**||||**Railway**||||
|Confirmation<br>Miscellaneous<br>~~el~~||||Confirmation<br>Special Test Certific-<br>ate<br>~~an~~||||
|QC PASS||||||||
|**Further information**<br>~~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=3RV2021-1BA10||||||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**||||||||
|https://support.industry.siemens.com/cs/ww/en/ps/3RV2021-1BA10||||||||
|**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)**||||||**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)**||
|https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RV2021-1BA10&lang=en||||||||
|**Cax online generator**||||||||
|https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RV2021-1BA10||||||||
|**Characteristic curves**||||||||
|https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no>||||||||



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-F<br>||<br>ae<br>I> I> I><br>last modified: 5/5/2026 G<br>1/L1 3/L2 5/L3<br>/T1 /T2 /T3<br>2 4 6<br>**----- End of picture text -----**<br>


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- [Supplier page](https://es.farnell.com/siemens/3rv2021-1ba10/thermal-magnetic-circuit-breaker/dp/3446975)
---

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