# Thermal Magnetic Circuit Breaker, MPCB, 3RV2, 3P, 100 kA, 400 V, 0.32 A

![Product image](https://novapart.co/image/farnell:3446951/)

**URL**: https://novapart.co/products/3RV2021-0DA10/thermal-magnetic-circuit-breaker-mpcb-3rv2-3p-100
**SKU**: 3RV2021-0DA10
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Thermal Magnetic Circuit Breakers
**Price**: €71.1700
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3446951/)

**3RV2021-0DA10** 

**Data sheet** 

Circuit breaker size S0 for motor protection, Class 10 A-release 0.22...0.32 A Short-circuit release 4.2 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|5.5 W|
|● at AC in hot operatingstateperpole|1.8 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**|0.32 A|
|**Substance Prohibitance(day/month/year)**|10/01/2009|
|**SVHC substance name**|Lead CAS-No. 7439-92-1|
|**Net Weight**|0.287 kg|
|**Ambient conditions**||
|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-**|0.22 ... 0.32 A|
|**dependent overload release**||
|**type of voltage for main current circuit**|AC|



Subject to change without notice © Copyright Siemens 

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||**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**|0.32 A||
||**operational current**|||
||● at AC-3 at 400 V rated value|0.32 A||
||● at AC-3e at 400 V rated value|0.32 A||
||**operating power**|||
||● at AC-3|||
||— at 230 V rated value|0 kW||
||— at 400 V rated value|0.1 kW||
||— at 500 V rated value|0.1 kW||
||— at 690 V rated value|0.1 kW||
||● at AC-3e|||
||— at 230 V rated value|0 kW||
||— at 400 V rated value|0.1 kW||
||— at 500 V rated value|0.1 kW||
||— at 690 V rated value|0.1 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|100 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|100 kA||
||response value current of instantaneous short-circuit trip unit|4.2 A||
||**UL/CSA ratings**|||
||**full-load current(FLA) for 3-phase AC motor**|||
||● at 480 V rated value|0.32 A||
||● at 600 V rated value|0.32 A||
||**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||



Subject to change without notice © Copyright Siemens 

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||**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||
||— 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**|Top and bottom||



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|**circuit**||
|---|---|
|**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**|18 ... 12|
|**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**<br>~~|~~||
|product function suitable for safetyfunction<br>~~|~~|Yes<br>~~|~~|
|**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**<br>~~OOOO~~|50 FIT<br>~~OOOO~~|
|ISO 13849<br>~~OOOO~~||
|**device type according to ISO 13849-1**<br>~~OOOO~~<br>~~Se~~|3<br>~~OOOO~~<br>~~Se~~|
|**overdimensioning according to ISO 13849-2 necessary**<br>~~Se~~|Yes<br>~~Se~~|
|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<br>~~OO~~|10 a<br>~~OO~~|
|Electrical Safety<br>~~OO~~||
|**protection class IP on the front according to IEC 60529**<br>~~OO~~|IP20<br>~~OO~~|
|**touch protection on the front according to IEC 60529**|finger-safe, for vertical contact from the front|
|**Display**<br>~~|~~||
|displayversion for switchingstatus<br>~~|~~|Handle<br>~~|~~|
|**Approvals Certificates**<br>~~ee~~||
|Environmental Product Declaration<br>● global warming potential [CO2 eq] / during manufacturing<br>2.68 kg<br>● global warming potential [CO2 eq] / during sales<br>0.143 kg<br>● global warming potential [CO2 eq] / during operation<br>72.7 kg<br>● global warming potential [CO2 eq] / after end of life<br>-0.445 kg<br>● global warming potential [CO2 eq] / total<br>75.078 kg<br>**Environment**<br>**General Product Approval**<br>~~ee~~||



**General Product Approval** 

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|**For use in hazardous locations**|**For use in hazardous locations**||**Test Certificates**||**Maritime application**||
|---|---|---|---|---|---|---|
|®||=|Special Test Certific-<br>ate<br>~~- ~~|Type Test Certific-<br>ates/Test Report<br> ~~—~~@||6|
|**Maritime application**|||||**other**||
||=||||Miscellaneous|Confirmation|
|**other**|||**Railway**||||
|Miscellaneous<br>~~rn~~|QC|PASS|Confirmation|Special Test Certific-<br>ate|||



~~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=3RV2021-0DA10 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3RV2021-0DA10 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RV2021-0DA10&lang=en **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RV2021-0DA10 **Characteristic curves** https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no> 

Subject to change without notice © Copyright Siemens 

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**last modified:** 

5/5/2026 

Subject to change without notice © Copyright Siemens 

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- [Supplier page](https://es.farnell.com/siemens/3rv2021-0da10/thermal-magnetic-circuit-breaker/dp/3446951)
---

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