# Safety Relay, 24 VAC/VDC, 3PST-NO, SPST-NC, PSRclassic Series, DIN Rail, 6 A, Screw

![Product image](https://novapart.co/image/farnell:3256085/)

**URL**: https://novapart.co/products/2981059/safety-relay-24-vac-vdc-3pst-no-spst-nc-psrclassic
**SKU**: 2981059
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Safety Relays
**Price**: €235.6500
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| Ip Rating | IP20, IP54 |
| Coil Voltage | 24VAC/VDC |
| Product Range | PSRclassic Series |
| Relay Mounting | DIN Rail |
| Contact Current | 6A |
| Relay Terminals | Screw |
| Contact Material | Silver Tin Oxide |
| Contact Configuration | 3PST-NO, SPST-NC |
| Contact Voltage Ac Nom | 250V |
| Contact Voltage Dc Nom | 250V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3256085/)

## **Extract from the online catalog** 

## **PSR-SCP- 24UC/ESL4/3X1/1X2/B** 

Order No.: 2981059 

## http://catalog.phoenixcontact.net/phoenix/treeViewClick.do?UID=2981059 

Safety relay for emergency stop and safety door and light grid monitoring up to SIL 3 or Cat. 4, PL e according to EN ISO 13849, single or two-channel operation, 3 enabling current paths, nominal input voltage of 24 V AC/DC, plug-in screw terminal blocks 

## Product notes 

|**Commercial data**||
|---|---|
|EAN|4<br>017918<br>927202<br>JALg|
|sales group|G512|
|Pack|1 Pcs.|
|Customs tariff|85364900|
|Gross weight in pieces|0.2279 KG|
|Net weight per piece|0.1939 KG|
|Catalog page information|Page 75 (C-8-2013)|



WEEE/RoHS-compliant since: 08/08/2006 

## http:// 

www.download.phoenixcontact.com Please note that the data given here has been taken from the online catalog. For comprehensive information and data, please refer to the user documentation. The General Terms and Conditions of Use apply to Internet downloads. 

## **Technical data** 

## **Dimensions** 

|**Dimensions**||
|---|---|
|Width|22.5 mm|
|Height|99 mm|
|Depth|114.5 mm|



PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.com 

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PSR-SCP- 24UC/ESL4/3X1/1X2/B Order No.: 2981059 http://catalog.phoenixcontact.net/phoenix/treeViewClick.do?UID=2981059 

## **Ambient conditions** 

|**Ambient conditions**||
|---|---|
|Ambient temperature (operation)|-20 °C ... 55 °C|
|Ambient temperature (storage/transport)|-40 °C ... 70 °C|
|Max. permissible relative humidity (operation)|75 %|
|Max. permissible humidity (storage/transport)|75 %|



## **Input data** 

|**Input data**||
|---|---|
|Nominal input voltage UN|24 V AC/DC|
|Input voltage range in reference to UN|0.85 ... 1.1|
|Typical input current at UN|150 mA AC|
||70 mA DC|
|Voltage at input/start and feedback circuit|approx. 24 V DC|
|Typical response time|25 ms (manual start)|
||100 ms (automatic start)|
|Typical release time|10 ms|
|Concurrence input 1/2|Infinite|
|Recovery time|1 s|
|Status display|Green LED|
|**Output data**||
|Contact type|3 enabling current paths|
||1 signaling current path|
|Contact material|AgSnO2, + 0.2 µm Au|
|Minimum switching voltage|15 V AC/DC|
|Maximum switching voltage|250 V AC/DC|
|Limiting continuous current|6 A|
|Inrush current, minimum|25 mA|
|Maximum inrush current|6 A|
|Sq. Total current|72 A<br>2(ITH<br>2= I1<br>2+ I2<br>2+ I3<br>2)|
|Interrupting rating (ohmic load) max.|144 W (24 V DC, τ = 0 ms)|
||288 W (48 V DC, τ = 0 ms)|
||77 W (110 V DC, τ = 0 ms)|
||88 W (220 V DC, τ = 0 ms)|
||1500 VA (250 V AC, τ = 0 ms)|



PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.com 

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PSR-SCP- 24UC/ESL4/3X1/1X2/B Order No.: 2981059 http://catalog.phoenixcontact.net/phoenix/treeViewClick.do?UID=2981059 

|Maximum interrupting rating (inductive load)|48 W (24 V DC, τ = 40 ms)|
|---|---|
||40 W (48 V DC, τ = 40 ms)|
||35 W (110 V DC, τ = 40 ms)|
||33 W (220 V DC, τ = 40 ms)|
|Switching capacity min.|0.4 W|
|Output fuse|10 A gL/gG NEOZED (N/O contact)|



## **General** 

|**General**||
|---|---|
|Relay type|Electromechanically forcibly guided, dust-proof relay.|
|Mechanical service life|Approx. 10<br>7cycles|
|Mounting type|DIN rail mounting|
|Degree of protection|IP20|
|Min. degree of protection of inst. location|IP54|
|Mounting position|any|
|Category according to EN 13849-1|4|
|Stop category|0|
|Designation|Air and creepage distances between the power circuits|
|Standards/regulations|DIN EN 50178/VDE 0160|
|Rated surge voltage / insulation|4 kV / basic insulation (safe isolation, reinforced insulation, and 6<br>kV between A1-A2/logic/enabling and signaling current paths)|
|Rated insulation voltage|250 V|
|Pollution degree|2|
|Surge voltage category|III|



## **Connection data** 

|**Connection data**||
|---|---|
|Conductor cross section solid min.|0.2 mm²|
|Conductor cross section solid max.|2.5 mm²|
|Conductor cross section stranded min.|0.2 mm²|
|Conductor cross section stranded max.|2.5 mm²|
|Conductor cross section AWG/kcmil min.|24|
|Conductor cross section AWG/kcmil max|12|
|Stripping length|7 mm|
|Screw thread|M3|
|Connection method|Screw connection|



PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.com 

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PSR-SCP- 24UC/ESL4/3X1/1X2/B Order No.: 2981059 http://catalog.phoenixcontact.net/phoenix/treeViewClick.do?UID=2981059 

## **Certificates / Approvals** 

Certification 

cULus Listed, GOST, Functional Safety 

Certifications applied for: 

Certification Ex: 

## **Drawings** 

## Circuit diagram 

a = RESET 

b = light barrier Two-channel light barrier monitoring with cross-circuiting monitoring and manual activation (automatic activation: Bridge on S33/S35), suitable up to safety category 4. 

**==> picture [39 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
1 = logics<br>**----- End of picture text -----**<br>


## a = RESET 

b = Emergency stop 

Two-channel emergency-stop circuit with manual activation and monitored contact expansion (automatic activation: Bridge on S33/S35), suitable up to safety category 3. 

## a = RESET 

b = Emergency stop 

One-channel emergency-stop circuit with manual activation (automatic activation: Bridge on S33/S35), suitable up to safety category 2. 

PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.com 

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PSR-SCP- 24UC/ESL4/3X1/1X2/B Order No.: 2981059 http://catalog.phoenixcontact.net/phoenix/treeViewClick.do?UID=2981059 

PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.com 

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PSR-SCP- 24UC/ESL4/3X1/1X2/B Order No.: 2981059 http://catalog.phoenixcontact.net/phoenix/treeViewClick.do?UID=2981059 

## **Address** 

PHOENIX CONTACT Deutschland GmbH Flachsmarktstr. 8 32825 Blomberg,Germany Phone +49 5235 3 12000 Fax +49 5235 3 41200 http://www.phoenixcontact.com 

© 2014 Phoenix Contact Technical modifications reserved; 

PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.com 

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## Links

- [View this product on Novapart](https://novapart.co/products/2981059/safety-relay-24-vac-vdc-3pst-no-spst-nc-psrclassic)
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- [Supplier page](https://es.farnell.com/phoenix-contact/psr-scp-24uc-esl4-3x1-1x2-b/safety-relay-3pst-no-spst-nc-24v/dp/3256085)
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