# Direct On Line Starter, MCU, IP55, 3RK4 Series, Three Phase, 1.25 A, 0.37 kW at 400 V

![Product image](https://novapart.co/image/farnell:3486263/)

**URL**: https://novapart.co/products/3RK4353-3DR58-0BA0/direct-on-line-starter-mcu-ip55-3rk4-series-three
**SKU**: 3RK4353-3DR58-0BA0
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Motors & Motor Controls || Motor Starters
**Price**: €436.1000
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| No. Of Poles | 3 Pole |
| Power Rating | 370W |
| No. Of Phases | Three Phase |
| Product Range | SIRIUS MCU |
| Current Rating | 1.25A |
| Ip / Nema Rating | IP55 |
| Motor Starter Type | Direct-on-Line (DOL) Starter |
| Supply Voltage Max | 440VAC |
| Supply Voltage Min | 340VAC |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3486263/)

**3RK4353-3DR58-0BA0** 

**Data sheet** 

SIRIUS MCU motor starter enclosure degree of protection IP55 plastic communication without electromechanically switching short-circuit protection with circuit breaker direct-on-line starter brake without performance class 1.25 A motor circuit breaker with bimetal thermal manual control latching connection power M screw gland electrical wholesale trade version 

||SIRIUS MCU motor starter enclosure degree of protection IP55 plastic<br>communication without electromechanically switching short-circuit protection with<br>circuit breaker direct-on-line starter brake without performance class 1.25 A motor<br>circuit breaker with bimetal thermal manual control latching connection power M<br>screw gland electrical wholesale trade version|
|---|---|
|**product brand name**|SIRIUS|
|**product designation**|motor starter MCU controlled on site|
|**design of theproduct**|direct starter|
|product function bus communication|No|
|**operating frequency minimum**|80 1/h|
|**type of coordination**|1|
|**reference code according to IEC 81346-2**|Q|
|**Substance Prohibitance(day/month/year)**|05/01/2012|
|**SVHC substance name**|Lead CAS-No. 7439-92-1|
|**Net Weight**|2.147 kg|
|**product component motor brake output**|No|
|**product feature**||
|● brake control with 400 V AC|No|
|● brake control with 24 V DC|No|
|● brake control with 180 V DC|No|
|● brake control with 500 V DC|No|
|**product extension braking module for brake control**|No|
|**design of short-circuitprotection**|circuit-breakers|
|maximum short-circuit current breaking capacity (Icu) at 400 V<br>rated value|50 000 A|
|**Safety related data**<br>~~|~~||
|**proportion of dangerous failures**<br>~~|~~|~~|~~|
|● with low demand rate accordingto SN 31920|50 %|
|● with high demand rate accordingto SN 31920|75 %|
|**B10 value with high demand rate according to SN 31920**|1 000 000|
|**failure rate [FIT] with low demand rate according to SN**<br>**31920**<br>~~OOOO~~|100 FIT<br>~~OOOO~~|
|IEC 61508<br>~~OOOO~~||
|T1 value for proof test interval or service life according to IEC<br>61508<br>~~OOOO~~<br>~~OOOO~~|20 a<br>~~OOOO~~<br>~~OOOO~~|
|Electrical Safety<br>~~OOOO~~||
|**touch protection against electrical shock**<br>~~OOOO~~|finger-safe<br>~~OOOO~~|
|**Main circuit**<br>~~|~~||
|**number ofpoles for main current circuit**<br>~~|~~|3<br>~~|~~|
|**design of the switching contact**|electromechanical|
|**adjustable current response value current of the current-**<br>**dependent overload release**|0.9 ... 1.25 A|
|**type of the motorprotection**|bimetal|
|**type of voltage**|AC|
|operatingvoltage rated value|340 ... 440 V|
|**operating frequency 1 rated value**|50 Hz|
|**operating frequency 2 rated value**|60 Hz|
|**relativepositive tolerance of the operating frequency**|10 %|
|**relative negative tolerance of the operating frequency**|-10 %|
|**operational current**||
|● at AC at 400 V rated value|1.25 A|
|● at AC-3 at 400 V rated value|1.25 A|
|operating power at AC-3 at 400 V rated value|0.4 kW|



Subject to change without notice © Copyright Siemens 

3RK43533DR580BA0 Page 1/2 

5/30/2026 

|operating power for 3-phase motors at 400 V at 50 Hz|0.37 kW|0.37 kW|0.37 kW|
|---|---|---|---|
|**number of digital inputs**|1|||
|**type of voltage of the supply voltage**|AC|||
|**control supply voltage at AC**||||
|● at 50 Hz rated value|184 ... 253 V|||
|● at 60 Hz rated value|196 ... 253 V|||
|**supply voltage frequency for auxiliary and control circuit**<br>**rated value**|50 ... 60 Hz|||
|**mounting position**|+/-180° rotation possible on vertical mounting surface; can be tilted forward and<br>backward by+/- 22.5° on vertical mountingsurface|||
|**height**|220 mm|||
|**width**|182 mm|||
|**depth**<br>~~re~~|145 mm<br>~~re~~|||
|**Ambient conditions**||||
|ambient temperature duringoperation|-25 ... +35 °C|||
|**protocol is supported**||||
|● PROFIBUS DPprotocol|No|||
|● PROFINETprotocol|No|||
|protocol is supported AS-Interfaceprotocol<br>~~re~~|No<br>~~re~~|||
|type of electrical connection for main current circuit<br>~~re~~|screw-type terminals<br>~~re~~|||
|**Approvals Certificates**||||
|**General Product Approval**||**Test Certificates**|**other**|



|**Dangerous goods**<br>**Environment**|
|---|
|Transport Information<br>Environmental Con-|
|firmations|
|**Further information**<br>**Information on the packaging**<br>~~OO~~<br>~~—“CrSC“‘:_CCSCiés~~|
|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=3RK4353-3DR58-0BA0|
|**Cax online generator**|
|https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RK4353-3DR58-0BA0|
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**|
|https://support.industry.siemens.com/cs/ww/en/ps/3RK4353-3DR58-0BA0|
|**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)**|
|https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RK4353-3DR58-0BA0&lang=en|
|**Characteristic curves**|
|https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no>|



**last modified:** 

4/1/2025 

Subject to change without notice © Copyright Siemens 

3RK43533DR580BA0 Page 2/2 

5/30/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/3RK4353-3DR58-0BA0/direct-on-line-starter-mcu-ip55-3rk4-series-three)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3rk4353-3dr58-0ba0/motor-starter/dp/3486263)
---

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