# Safety Relay, 24 VDC, SPST-NO, SPST-NC, PSRclassic Series, DIN Rail, Screw
**URL**: https://novapart.co/products/2981936/safety-relay-24-vdc-spst-no-nc-psrclassic-series
**SKU**: 2981936
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Safety Relays
**Price**: €126.6000
**Stock**: 10+
**Lead Time**: 36 days (indicative)
## Description
Coil Voltage:24VDC; Contact Configuration:SPST-NO, SPST-NC; Product Range:PSR Series; Relay Mounting:DIN Rail; Contact Current:-; Relay Terminals:Screw; Contact Voltage AC Nom:-; Contac
## Specifications
| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| Ip Rating | IP20 |
| Coil Voltage | 24VDC |
| Product Range | PSRclassic Series |
| Relay Mounting | DIN Rail |
| Contact Current | - |
| Relay Terminals | Screw |
| Contact Material | - |
| Contact Configuration | SPST-NO, SPST-NC |
| Contact Voltage Ac Nom | - |
| Contact Voltage Dc Nom | - |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2064599/)
## **Extract from the online catalog**
## **PSR-SCP- 24DC/SIM4**
Order No.: 2981936
http://eshop.phoenixcontact.co.uk/phoenix/treeViewClick.do?UID=2981936
Interface module for the connection of several safety sensors or switches with NC/NO contacts to the safety relay PSR-SDC4, with screw connection
**==> picture [277 x 111] intentionally omitted <==**
**----- Start of picture text -----**
Commercial data
EAN 4 AU 046356 AT 326001
Pack 1
Customs tariff 85364190
Country of Origin DE
Catalog page information Page 25 (IF-2011)
**----- End of picture text -----**
Product notes WEEE/RoHS-compliant since: 11/04/2008
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 at http:// www.download.phoenixcontact.com. The General Terms and Conditions of Use apply to Internet downloads.
## **Technical data**
## **Supply**
|**Supply**||
|---|---|
|Nominal input voltage UN|24 V DC (from PSR)|
|Input voltage range in reference to UN|0.85 ... 1.1|
**General data** Status display Green LED
PHOENIX CONTACT Ltd http://www.phoenixcontact.co.uk
Page 1 / 4 18-Nov-2011
PSR-SCP- 24DC/SIM4 Order No.: 2981936 http://eshop.phoenixcontact.co.uk/phoenix/treeViewClick.do?UID=2981936
|Max. permissible current|100 mA (per signal output)|
|---|---|
|Max. permissible total current|100 mA (alarm outputs)|
|Ambient temperature (operation)|-20 °C ... 55 °C|
|Ambient temperature (storage/transport)|-40 °C ... 70 °C|
|Nominal operating mode|100% operating factor|
|Degree of protection|IP20|
|Mounting position|Any|
|Assembly instructions|In rows with zero spacing|
|Name|Air and creepage distances between the power circuits|
|Standards/regulations|DIN EN 50178|
|Rated surge voltage / insulation|0.8 kV|
|Rated insulation voltage|50 V DC|
|Pollution degree|2|
|Surge voltage category|III|
|Height|99 mm|
|Width|22.5 mm|
|Depth|106 mm|
## **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|
**Certificates** ~~eee~~
Certification
CUL Listed, GOST, UL Listed
PHOENIX CONTACT Ltd http://www.phoenixcontact.co.uk
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PSR-SCP- 24DC/SIM4 Order No.: 2981936 http://eshop.phoenixcontact.co.uk/phoenix/treeViewClick.do?UID=2981936
## **Accessories**
|Item|Designation|Description|
|---|---|---|
|**General**|||
|2890425|PSR-TBUS|PSR-TBUS DIN rail connector, for supplying/controlling/monitoring|
|||(depending on the module)|
|2981716|PSR-TBUS-TP||
## **Drawings**
Application drawing
Additional inputs are aligned on the left of the PSR-SDC4, outputs are to its right.
Up to 4 safety door switches can be connected to one PSR-SIM4.
## Circuit diagram
PHOENIX CONTACT Ltd http://www.phoenixcontact.co.uk
Page 3 / 4 18-Nov-2011
PSR-SCP- 24DC/SIM4 Order No.: 2981936 http://eshop.phoenixcontact.co.uk/phoenix/treeViewClick.do?UID=2981936
## **Address**
PHOENIX CONTACT Ltd Halesfield 13 Telford / Shropshire / TF7 4PG,England Phone 01952 681 700 Fax 01952 681 799 http://www.phoenixcontact.co.uk
Phoenix Contact Ltd. Technical modifications reserved;
PHOENIX CONTACT Ltd http://www.phoenixcontact.co.uk
Page 4 / 4 18-Nov-2011
## Links
- [View this product on Novapart](https://novapart.co/products/2981936/safety-relay-24-vdc-spst-no-nc-psrclassic-series)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/psr-scp-24dc-sim4/safety-relay-int-module-psr-sdc4/dp/2064599)
---
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