# Safety Relay, 400 VAC, 4PST-NO, DPST-NC, SIRIUS Series, DIN Rail, 3 A, Spring Clamp

![Product image](https://novapart.co/image/farnell:3548096/)

**URL**: https://novapart.co/products/3TK2810-0JA02/safety-relay-400-vac-4pst-no-dpst-nc-sirius-series
**SKU**: 3TK2810-0JA02
**Manufacturer**: SIEMENS
**Category**: Switches & Relays || Relays || Safety Relays
**Price**: €964.7500
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Product Range | SIRUS 3TK28 Series |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3548096/)

**3TK2810-0JA02** 

**Data sheet** 

SIRIUS safety relay safety-oriented Standstill monitoring 400 V AC, 45 mm Springtype terminal EC instantaneous: 3 NO + 1 NC EC delayed: 0 SC: 3 Auto-start Basic unit max. error category EN 954-1: 4 Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3 

||SIRIUS safety relay safety-oriented Standstill monitoring 400 V AC, 45 mm Spring-<br>type terminal EC instantaneous: 3 NO + 1 NC EC delayed: 0 SC: 3 Auto-start<br>Basic unit max. error category EN 954-1: 4 Maximum achievable PL according to<br>EN 13849-1: Maximum achievable SIL according to IEC 61508: 3|
|---|---|
|**product brand name**|SIRIUS|
|**product designation**|Standstill monitor|
|**design of theproduct**|for safe stoppage monitoring|
|**product type designation**|3TK28|
|**Product Function**<br>~~|~~||
|**product function**<br>~~|~~|~~|~~|
|● automatic start|No|
|● light barrier monitoring|No|
|● standstill monitoring|Yes|
|●protective door monitoring|No|
|● magneticallyoperated switch monitoringNC-NO|No|
|● magneticallyoperated switch monitoringNC-NC|No|
|● rotation speed monitoring|No|
|● laser scanner monitoring|No|
|● light arraymonitoring|No|
|● EMERGENCY OFF function|No|
|● monitored start-up|No|
|●pressure-sensitive mat monitoring|No|
|**product feature cross-circuit-proof**|No|
|**suitability for interactionpress control**|No|
|**suitability for use**||
|●position switch monitoring|No|
|● EMERGENCY-OFF circuit monitoring|No|
|● valve monitoring|No|
|● opto-electronicprotection device monitoring|No|
|● tactile sensor monitoring|No|
|● magneticallyoperated switch monitoring|No|
|●proximityswitch monitoring|No|
|● safetyswitch|Yes|
|● safety-related circuits|Yes|
|**General technical data**<br>~~|~~||
|certificate of suitabilityUL approval<br>~~|~~|Yes<br>~~|~~|
|**insulation voltage rated value**|690 V|
|**surge voltage resistance rated value**|6 000 V|
|**protection class IP**||
|● of the enclosure|IP20|
|● of the terminal|IP20|
|**shock resistance**|8g/ 10 ms|
|**vibration resistance according to IEC 60068-2-6**|10 ... 55 Hz: 0.35 mm|



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|**operating frequency maximum**|1 200 1/h|
|---|---|
|electrical endurance(operatingcycles)typical|200 000|
|**Substance Prohibitance(day/month/year)**|05/01/2012|
|**SVHC substance name**|Lead monoxide(lead oxide)CAS-No. 1317-36-8|
|**Net Weight**|0.509 kg|
|**Ambient conditions**||
|installation altitude at height above sea level maximum|2 000 m|
|**ambient temperature**||
|● duringoperation|-25 ... +60 °C|
|● duringstorage|-40 ... +75 °C|
|relative humidityduringoperation|10 ... 95 %|
|air pressure accordingto SN 31205|90 ... 106 kPa|
|**Electromagnetic compatibility**||
|**installation environment regarding EMC**|This product is suitable for Class A environments only. In household<br>environments, this device can cause unwanted radio interference. The user is<br>required to implement appropriate measures in this case.|
|**EMC emitted interference**|IEC 61000-6-2, IEC 61000-6-3|
|**Safety related data**||
|**stop category according to IEC 60204-1**|0|
|**average diagnostic coverage level(DCavg)**|99 %|
|IEC 62061||
|SIL Claim Limit(subsystem)accordingto EN 62061|3|
|**Safety Integrity Level(SIL) according to IEC 62061**|SIL 3|
|PFHD with high demand rate accordingto IEC 62061|1.5E-9 1/h|
|ISO 13849||
|categoryaccordingto EN ISO 13849-1|4|
|**performance level(PL)**||
|**● according to ISO 13849-1**|PL e|
|IEC 61508||
|**Safety Integrity Level(SIL)**||
|● accordingto IEC 61508|3|
|● for delayed release circuit accordingto IEC 61508|SIL3|
|**safety device type according to IEC 61508-2**|Type B|
|**Average probability of failure on demand (PFDavg) with low**<br>**demand rate acc. to IEC 61508**|0.002 1/y|
|hardware fault tolerance accordingto IEC 61508|1|
|T1 value for proof test interval or service life according to IEC<br>61508|20 a|
|Electrical Safety||
|**touchprotection against electrical shock**|finger-safe|
|**adjustable response value voltage for standstill detection**|20 ... 400 mV|
|**adjustable downtime**|0.2 ... 6 s|
|**Short-circuit protection**||
|design of the fuse link for short-circuit protection of the NO<br>contacts of the relayoutputs required|quick: 5 A|
|**Inputs**||
|**design of input**||
|● cascadinginput/functional switching|No|
|● feedback input|Yes|
|● start input|No|
|**number of sensor inputs**||
|● 1-channel or 2-channel|1|
|**Outputs**||
|**number of outputs as contact-affected switching element**||
|● as NC contact||
|— for signalingfunction instantaneous contact|2|
|● as NO contact||
|— safety-related instantaneous contact|4|
|— safety-related delayed switching|0|
|**mechanical service life (operating cycles) typical**|50 000 000|



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|**thermal current of the switching element with contacts**<br>**maximum**|5 A|
|---|---|
|**number of outputs as contact-less semiconductor**<br>**switching element**||
|● for signalingfunction||
|— delayed switching|0|
|— instantaneous contact|2|
|● safety-related||
|— delayed switching|0|
|— instantaneous contact|0|
|**switching capacity current of semiconductor outputs**||
|● for signalingfunction at DC-13 at 24 V|0.1 A|
|**switching capacity current of the NO contacts of the relay**<br>**outputs at DC-13**||
|● at 24 V|2 A|
|**switching capacity current of the NO contacts of the relay**<br>**outputs at AC-15**||
|● at 115 V|3 A|
|● at 230 V|3 A|
|**switching capacity current of the NC contacts of the relay**<br>**outputs at DC-13**||
|● at 24 V|2 A|
|**switching capacity current of the NC contacts of the relay**<br>**outputs at AC-15**||
|● at 115 V|2 A|
|● at 230 V|2 A|
|**voltage measuring range at the measurement inputs at AC**<br>**according to UL maximum**|600 V|
|**voltage measuring range at the measurement inputs at AC**<br>**maximum**|690 V|
|**adjustable response value voltage for standstill detection**|20 ... 400 mV|
|**input resistance at the measurement inputs**|500 kΩ|
|**Times**||
|adjustable downtime initial value|0.2 s|
|adjustable downtime full-scale value|6 s|
|**Control circuit/ Control**||
|**type of voltage of the control supply voltage**|AC|
|**control supply voltage 1 at AC**||
|● at 50 Hz rated value|400 V|
|● at 60 Hz rated value|400 V|
|**control supply voltage frequency**||
|**● 1 rated value**|50 Hz|
|**● 2 rated value**|60 Hz|
|**operating range factor control supply voltage rated value of**<br>**magnet coil at AC**||
|● at 50 Hz|0.8 ... 1.1|
|● at 60 Hz|0.8 ... 1.1|
|**Installation/ mounting/ dimensions**||
|**mounting position**|any|
|**fastening method**|screw and snap-on mounting|
|**height**|138.5 mm|
|**width**|45 mm|
|**depth**|120 mm|
|**Connections/ Terminals**||
|**type of electrical connection**|spring-loaded terminals|
|**type of connectable conductor cross-sections**||
|● solid|2x(0.25 ... 1.5 mm²)|
|● finelystranded with core endprocessing|2 x(0.25 ... 1.5 mm²)|
|● finelystranded without core endprocessing|2x(0.25 ... 1.5 mm²)|
|● for AWG cables solid|2x(24 ... 16)|
|● for AWG cables stranded|2x (20 ... 16)|



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|**connectable conductor cross-section**||||||
|---|---|---|---|---|---|
|● solid|0.25 ... 1.5 mm²|0.25 ... 1.5 mm²||||
|● finelystranded with core endprocessing|0.25 ... 1.5 mm²|0.25 ... 1.5 mm²||||
|● finelystranded without core endprocessing|0.25 ... 1.5 mm²|0.25 ... 1.5 mm²||||
|**AWG number as coded connectable conductor cross**||||||
|**section**||||||
|● solid|24 ... 16|||||
|● stranded|24 ... 16|||||
|**type of electrical connection plug-in socket**|Yes|||||
|**Approvals Certificates**<br>~~a~~||||||
|**Environment**<br>**General Product Approval**||||||
|Environmental Con-<br>firmations<br>~~—~~<br>FAL<br>«sce<br>~=sCUK||||||



|**Functional Saftey**<br>**Test Certificates**|**other**||**Railway**|
|---|---|---|---|
|Type Examination Cer-<br>Special Test Certific-|Confirmation|Confirmation|Confirmation<br>~~—_~~|
|tificate<br>ate||||
|||QC PASS||
|**Further information**<br>~~Ps~~||||
|**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=3TK2810-0JA02 **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3TK2810-0JA02 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3TK2810-0JA02 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3TK2810-0JA02&lang=en 

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**last modified:** 

5/5/2026 

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## Links

- [View this product on Novapart](https://novapart.co/products/3TK2810-0JA02/safety-relay-400-vac-4pst-no-dpst-nc-sirius-series)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3tk2810-0ja02/safety-relay/dp/3548096)
---

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