# Thermal Magnetic Circuit Breaker, System Protection, 3RV2, 3P, 100 kA, 400 V, 40 A

![Product image](https://novapart.co/image/farnell:3447384/)

**URL**: https://novapart.co/products/3RV2742-5GD10/thermal-magnetic-circuit-breaker-system-protection
**SKU**: 3RV2742-5GD10
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Thermal Magnetic Circuit Breakers
**Price**: €508.0800
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3447384/)

**3RV2742-5GD10** 

**Data sheet** 

circuit breaker size S3 for system protection with approval circuit breaker UL 489, CSA C22.2 no. 5-02 thermal release 40 A short-circuit release 520 A screw terminal 

|**product brand name**|SIRIUS|
|---|---|
|**product designation**|Circuit breaker|
|**design of theproduct**|For systemprotection accordingto UL 489/CSA C22.2 No. 5|
|**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|
|product function disconnector functionality|Yes|
|product extension auxiliaryswitch|Yes|
|**power loss[W] for rated value of the current**||
|● at AC in hot operatingstate|18 W|
|● at AC in hot operatingstateperpole|6 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(rectangular impulse and sinepulse)|
|**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**|2.258 kg|
|**Ambient conditions**||
|installation altitude at height above sea level maximum|2 000 m|



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|**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|
|**type of voltage for main current circuit**|AC|
|**operating voltage**||
|● rated value|600 V|
|● rated value|20 ... 600 V|
|**operating frequency rated value**|50 ... 60 Hz|
|**operational current rated value**|40 A|
|**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|No|
|**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 480 AC Y/277 V accordingto UL 489 rated value|65 kA|
|**operating short-circuit current breaking capacity (Ics) at AC**||
|● at 240 V rated value|100 kA|
|● at 400 V rated value|50 kA|
|response value current of instantaneous short-circuit trip unit|520 A|
|**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**|170 mm|
|**width**|70 mm|
|**depth**|176 mm|
|**required spacing**||
|● forgroundedparts at 400 V||
|— downwards|90 mm|
|— upwards|90 mm|
|— at the side|10 mm|
|● for liveparts at 400 V||
|— downwards|90 mm|
|— upwards|90 mm|
|— at the side|10 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|



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||||||
|---|---|---|---|---|
|arrangement of electrical connectors for main current|Top and bottom|
|circuit|
|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)|
|— finely stranded with core end processing|2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²)|
|— finely stranded without core end processing|2x (10 ... 35 mm²), 1x (10 ... 50 mm²)|
|● for AWG cables for main contacts|8|
|● for AWG cables for main contacts for box terminal using|8|
|the front clamping|point|
|connectable conductor cross-section for main contacts|
|● finely stranded with core end processing|2.5 ... 50 mm²|
|● finely stranded without core end processing|10 ... 50 mm²|
|AWG number as coded connectable conductor cross|8|
|section for main contacts|
|tightening torque|
|● for main contacts with screw-type terminals|4.5 ... 6 N·m|
|design of screwdriver shaft|Hexagonal socket|
|size of the screwdriver tip|4 mm|
|design of the thread of the connection screw|
|● for main contacts|M8|
|Safety related data|
|——————|product function suitable for safety function|Yes|
|suitability for use|
|● safety-related switching on|No|
|● safety-related switching OFF|Yes|
|service life maximum|10 a|
|test wear-related service life necessary|Yes|
|proportion of dangerous failures|
|● with low demand rate according to SN 31920|40 %|
|● with high demand rate according to 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|50 FIT|
|31920|
|ISO 13849|
|device type accordin|EE|g to ISO 13849-1|€,|3|
|overdimensioning according to ISO 13849-2 necessary|Yes|
|IEC 61508|
|es|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|
|Electrical Safety|
|es|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** display version for switching status Handle **Approvals Certificates** ~~——~~ Environmental Product Declaration ~~————~~ ● global warming potential [CO2 eq] / during manufacturing 18.5 kg ● global warming potential [CO2 eq] / during sales 1.24 kg 

18.5 kg 1.24 kg 265 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** 

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|---|---|
|Environmental Con-|
|firmations|
|e|e|

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**General Product Approval** 

**Test Certificates** 

- - Special Test Certific Type Test Certific ate ates/Test Report EAL ce ~~UK~~ **Maritime application other** ~~-~~ Confirmation Miscellaneous ~~_~~ Confirmation Miscellaneous wn ~~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=3RV2742-5GD10 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3RV2742-5GD10 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RV2742-5GD10&lang=en **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RV2742-5GD10 **Characteristic curves** https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no> 

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## Links

- [View this product on Novapart](https://novapart.co/products/3RV2742-5GD10/thermal-magnetic-circuit-breaker-system-protection)
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- [Supplier page](https://es.farnell.com/siemens/3rv2742-5gd10/thermal-magnetic-circuit-breaker/dp/3447384)
---

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