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

![Product image](https://novapart.co/image/farnell:2064570/)

**URL**: https://novapart.co/products/2963721/safety-relay-24-vac-vdc-dpst-no-spst-nc-psrclassic
**SKU**: 2963721
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Safety Relays
**Price**: €253.2900
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Description

Coil Voltage:24V; Contact Configuration:DPST-NO, SPST-NC; Product Range:PSR Series; Relay Mounting:DIN Rail; Contact Current:6A; Relay Terminals:Screw; Contact Voltage AC Nom:250V; Cont

## 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 | DPST-NO, SPST-NC |
| Contact Voltage Ac Nom | 250V |
| Contact Voltage Dc Nom | 250V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2064570/)

https://www.phoenixcontact.com/gb/products/2963721 

## Safety relays - PSR-SCP- 24UC/THC4/2X1/1X2 - 2963721 

Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid 

(http://phoenixcontact.com/download) 

Safety relay for two-hand control devices according to EN 574 type IIIC up to SIL 3 or Cat. 4, PL e according to EN ISO 13849, synchronous activation monitoring < 0.5 s, 2 N/O contacts, 1 N/C contact, safe isolation, plug-in screw terminal blocks, width: 22.5 mm 

## Why buy this product 

- For two-hand control devices according to EN 574 Type IIIC 

- Up to Cat. 4/PL e according to ISO 13849-1, SILCL 3 according to IEC 62061, SIL 3 according to IEC 61508 

- Two-channel control 

- Synchronous activation monitoring < 0.5 s 

- Automatic activation 

- Two enabling and one signaling current path 

## Key Commercial Data 

Packing unit 1 STK GTIN ~~a~~ (MMI A GTIN 4017918818692 ~~a~~ Weight per Piece (excluding packing) 193.300 g ~~Pd a~~ Custom tariff number 85371099 Country of origin Germany ~~—————~~ 

## Technical data 

## Note 

EMC: class A product, see manufacturer's declaration in the download Utilization restriction area 

## Dimensions 

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



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https://www.phoenixcontact.com/gb/products/2963721 

## Safety relays - PSR-SCP- 24UC/THC4/2X1/1X2 - 2963721 

## Technical data 

## 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 % (on average, 85% infrequently, non-condensing)|
|Max. permissible humidity (storage/transport)|75 % (on average, 85% infrequently, non-condensing)|
|Shock|15g|
|Vibration (operation)|10 Hz ...150 Hz, 2g|
|Maximum altitude|max. 2000 m (Above sea level)|
|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|125 mA AC|
||60 mA DC|
|Voltage at input/start and feedback circuit|approx. 24 V DC|
|Typical response time|50 ms|
|Typical release time|20 ms|
|Concurrence input 1/2|< 0.5 s|
|Recovery time|1 s|
|Status display|Green LED|
|Output data||
|01/09/2017   Page 2 / 6<br>Contact type<br>2 enabling current paths<br>1 signaling current path<br>Contact material<br>AgSnO2, + 0.2 µm Au<br>Minimum switching voltage<br>15 V AC/DC<br>Maximum switching voltage<br>250 V AC/DC<br>Limiting continuous current<br>6 A<br>Inrush current, minimum<br>25 mA<br>Maximum inrush current<br>6 A<br>Interrupting rating (ohmic load) max.<br>144 W (24 V DC, τ = 0 ms)<br>288 W (48 V DC, τ = 0 ms)<br>110 W (110 V DC, τ = 0 ms)<br>88 W (220 V DC, τ = 0 ms)<br>1500 VA (250 V AC, τ = 0 ms)<br>Maximum interrupting rating (inductive load)<br>42 W (24 V DC, τ = 40 ms)<br>42 W (48 V DC, τ = 40 ms)<br>42 W (110 V DC, τ = 40 ms)<br>42 W (220 V DC, τ = 40 ms)<br>Switching capacity min.<br>0.4 W<br>Output fuse<br>10 A gL/gG NEOZED (N/O contact)<br>6 A gL/gG NEOZED (N/C contact)~~=~~||



https://www.phoenixcontact.com/gb/products/2963721 

## Safety relays - PSR-SCP- 24UC/THC4/2X1/1X2 - 2963721 

## Technical data 

## General 

|Relay type|Electromechanical relay with forcibly guided contacts in accordance with<br>EN 50205|
|---|---|
|Mechanical service life|Approx. 10<br>7cycles|
|Nominal operating mode|100% operating factor|
|Net weight|193.3 g|
|Mounting type|DIN rail mounting|
|Mounting position|any|
|Degree of protection|IP54|
||IP20|
|Min. degree of protection of inst. location|IP54|
|Housing color|yellow|
|Connection data||
|Connection method<br>Screw connection<br>pluggable<br>Yes<br>Conductor cross section solid min.<br>0.2 mm²<br>Conductor cross section solid max.<br>2.5 mm²<br>Conductor cross section flexible min.<br>0.2 mm²<br>Conductor cross section flexible max.<br>2.5 mm²<br>Conductor cross section AWG min.<br>24<br>Conductor cross section AWG max.<br>12<br>Stripping length<br>7 mm<br>Screw thread<br>M3<br>~~—-~~||
|Safety-related characteristic data||
|Stop category<br>0<br>Designation<br>IEC 61508 - High demand<br>Safety Integrity Level (SIL)<br>3<br>Designation<br>IEC 61508 - Low demand<br>Safety Integrity Level (SIL)<br>3<br>Designation<br>EN ISO 13849<br>Performance level (PL)<br>e<br>Category<br>4<br>Designation<br>EN 62061<br>Safety Integrity Level Claim Limit (SIL CL)<br>3<br>~~—~~||
|Standards and Regulations||
|Shock<br>15g<br>Designation<br>Air clearances and creepage distances between the power circuits<br>Standards/regulations<br>DIN EN 50178/VDE 0160<br>Rated insulation voltage<br>250 V<br>Rated surge voltage/insulation<br>6 kV / Safe isolation, increased insulation<br>~~SSS~~||



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https://www.phoenixcontact.com/gb/products/2963721 

## Safety relays - PSR-SCP- 24UC/THC4/2X1/1X2 - 2963721 

## Technical data 

## Standards and Regulations 

|Degree of pollution|2|
|---|---|
|Overvoltage category|III|
|Vibration (operation)|10 Hz ...150 Hz, 2g|



## Environmental Product Compliance 

|China RoHS|Environmentally Friendly Use Period = 50|
|---|---|
||For details about hazardous substances go to tab “Downloads”,<br>Category “Manufacturer's declaration”|



## Drawings 

**==> picture [287 x 396] intentionally omitted <==**

**----- Start of picture text -----**<br>
Circuit diagram<br>A1 Y1 S11 S21 13 23 31<br>K1<br>=<br>Logic K2<br>oy<br>eerenal<br>A2 Y2 S14/ S12/ 14 24 32<br>S22 S24<br>Circuit diagram<br>L+<br>(L1)<br>|| Two-hand control switch ll il il<br>S1 S2<br>S11 S14 S12 S21 S24 S22<br>et<br>A1 S11 S14 S12 S21 13 23 31 K3<br>(+) S22 S24 (GND)<br>PSR-THC4/2x1/1x2<br>(+)<br>A2 Y1 Y2 14 24 32 K4 i<br>K3<br>M<br>K3<br>K4 [| K4<br>)<br>M<br>(N)<br>**----- End of picture text -----**<br>


Two-hand control device 

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https://www.phoenixcontact.com/gb/products/2963721 

## Safety relays - PSR-SCP- 24UC/THC4/2X1/1X2 - 2963721 

## Classifications 

eCl@ss 

|eCl@ss 4.0<br>27371102<br>eCl@ss 4.1<br>27371102<br>eCl@ss 5.0<br>27371901<br>eCl@ss 5.1<br>27371901<br>eCl@ss 6.0<br>27371819<br>eCl@ss 7.0<br>27371819<br>eCl@ss 8.0<br>27371821<br>eCl@ss 9.0<br>27371821<br>~~==~~|
|---|
|ETIM<br>ETIM 2.0<br>EC000196<br>ETIM 3.0<br>EC001449<br>ETIM 4.0<br>EC001449<br>ETIM 5.0<br>EC001452<br>ETIM 6.0<br>EC001452<br>~~—S—~~|
|UNSPSC<br>UNSPSC 6.01<br>30211901<br>UNSPSC 7.0901<br>39121501<br>UNSPSC 11<br>39121501<br>UNSPSC 12.01<br>39121501<br>UNSPSC 13.2<br>39121105<br>~~=—s=>~~|
|Approvals|



## Approvals 

## Approvals 

UL Listed / EAC / EAC / cUL Listed / Functional Safety / Functional Safety / Functional Safety / cULus Listed 

Ex Approvals 

Approval details 

UL Listed http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 140324  ~~oo~~ 

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https://www.phoenixcontact.com/gb/products/2963721 

## Safety relays - PSR-SCP- 24UC/THC4/2X1/1X2 - 2963721 

Approvals 

EAC EAC-Zulassung  ~~oo~~ EAC 7500651.22.01.00244  cUL Listed http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 140324  ~~ee~~ Functional Safety 01/205/0542.01/15  ~~oo~~ Functional Safety 968/EZ 346.01/15  Functional Safety 968/EZ 346.01/15  ~~ee~~ cULus Listed  ~~oo~~ Phoenix Contact 2017 © - all rights reserved http://www.phoenixcontact.com 

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## Links

- [View this product on Novapart](https://novapart.co/products/2963721/safety-relay-24-vac-vdc-dpst-no-spst-nc-psrclassic)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/psr-scp-24uc-thc4-2x1-1x2/relay-safety-2no-1nc-250v-6a/dp/2064570)
---

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