# Safety Relay, 24 VDC, DPST-1NO / 1NC, PSRmini Series, DIN Rail, 5 A, Screw

![Product image](https://novapart.co/image/farnell:4913659/)

**URL**: https://novapart.co/products/2702663/safety-relay-24-vdc-dpst-1no-1nc-psrmini-series
**SKU**: 2702663
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Safety Relays
**Price**: €138.8200
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Ip Rating | IP20, IP54 |
| Coil Voltage | 24VDC |
| Product Range | PSRmini Series |
| Relay Mounting | DIN Rail |
| Contact Current | 5A |
| Relay Terminals | Screw |
| Contact Material | Silver Tin Oxide |
| Contact Configuration | DPST-1NO / 1NC |
| Contact Voltage Ac Nom | 250V |
| Contact Voltage Dc Nom | 250V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4913659/)

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

2702663 

https://www.phoenixcontact.com/in/products/2702663 

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 documentation. Our general terms of use for downloads are valid. 

Coupling relay for SIL 3 high and low-demand applications, couples digital output signals to the I/O, 1 enabling current path, 1 confirmation current path, safe state off applications, test pulse filter, fixed screw terminal block 

## Your advantages 

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- Force-guided contacts in accordance with EN 50205 

- Easy proof test according to IEC 61508 

- Suitable for high and low-demand applications up to SIL 3 in accordance with IEC 61508, IEC 61511, and EN 50156 

- Low housing width of just 6.8 mm 

- Long service life thanks to filtering of controller test pulses 

- 1 enabling current path, 1 diagnostic current path 

- Integrated DCS test pulse filter 

- Corrosion protection through protective coating on the PCB 

## Commercial data 

|Item number|2702663|
|---|---|
|Packing unit|1 pc|
|Minimum order quantity|1 pc|
|Sales key|DNA|
|Product key|DNA172|
|GTIN|4055626280233|
|Weight per piece (including packing)|103.53 g|
|Weight per piece (excluding packing)|69.368 g|
|Customs tariff number|85364900|
|Country of origin|DE|



## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

2702663 

https://www.phoenixcontact.com/in/products/2702663 

## Technical data 

## Notes 

Note on application Note on application 

Only for industrial use 

## Product properties 

Product family PSRmini Application Safe switch off High demand Low demand Ex Control 1 and 2 channel Relay type Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 

|Insulation characteristics||
|---|---|
|Overvoltage category|III|
|Degree of pollution|2|



## Times 

Typ. starting time with Us < 70 ms (with Us when controlled via A1) Typical release time < 10 ms (when controlled via A1) Recovery time 500 ms 

## Electrical properties 

Maximum power dissipation for nominal condition 3.49 W (IL² = 36 A²) Nominal operating mode 100% operating factor Rated insulation voltage 250 V AC Rated surge voltage/insulation Basic insulation 4 kV between all current paths and housing Safe isolation, 6 kV reinforced insulation from the control circuit and confirmation current path to the enabling current path 

## Supply 

Designation A1/A2 Rated control circuit supply voltage US 19.2 V DC ... 30 V DC Rated control circuit supply voltage US 24 V DC -20 % / +25 % Rated control supply current IS typ. 45 mA Power consumption at US typ. 1.08 W Inrush current typ. 120 mA (Δt <10 ms at Us) Filter time max. 2 ms (at A1-A2 in the event of voltage dips at Us) max. 2 ms (at A1-A2; low test pulse width) 

> 30 ms (at A1-A2; low test pulse rate) max. 2 ms (at A1-A2; high test pulse width) 

> 1 s (at A1-A2; high test pulse rate) 

Mar 20, 2026, 5:58�AM     Page 2 (10) 

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

## 2702663 

https://www.phoenixcontact.com/in/products/2702663 

Protective circuit Serial protection against polarity reversal; 35 V suppressor diode 

## Output data 

Relay: Enabling current path (13/14) 

|Output description|2 N/O contacts in series, without delay, floating|
|---|---|
|Number of outputs|1 (safety-related)|
|Contact switching type|1 enabling current path|
|Contact material|AgSnO2|
|Switching voltage|min. 12 V AC/DC|
||max. 250 V AC/DC|
|Switching power|min. 60 mW|
|Inrush current|min. 3 mA|
||max. 6 A|
|Switching capacity|4 A (24 V (DC13))|
||5 A (250 V (AC15))|
|Limiting continuous current|6 A (High demand)|
||4 A (Low demand)|
|Sq. Total current|36 A2(observe derating)|
|Switching frequency|max. 0.1 Hz|
|Mechanical service life|10x 106cycles|
|Output fuse|6 A gL/gG|
||4 A gL/gG (for low-demand applications)|
|Relay: Confirmation current path (21/22)||
|Output description|2 N/C contacts in series, without delay, floating|
|Number of outputs|1 (safety-related)|
|Contact switching type|1 confirmation current path|
|Contact material|AgCuNi, + Au|
|Switching voltage|min. 5 V DC|
||max. 30 V DC|
|Switching power|min. 20 mW|
|Inrush current|min. 1 mA|
||max. 100 mA|
|Limiting continuous current|100 mA|
|Switching frequency|max. 0.1 Hz|
|Mechanical service life|10x 106cycles|
|Output fuse|150 mA Fast-blow|



## Connection data 

Connection technology pluggable no Conductor connection Connection method Screw connection 

Mar 20, 2026, 5:58�AM     Page 3 (10) 

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

## 2702663 

https://www.phoenixcontact.com/in/products/2702663 

|Conductor cross-section rigid|0.2 mm² ... 2.5 mm²|
|---|---|
|Conductor cross-section flexible|0.2 mm² ... 2.5 mm²|
|Conductor cross-section AWG|26 ... 12|
|Stripping length|12 mm|
|Screw thread|M3|
|Tightening torque|0.5 Nm ... 0.6 Nm|



## Signaling 

||Status display|1 x LED (green)|
|---|---|---|
||Operating voltage display|1 x LED (yellow)|
||mensions||
||Width|6.8 mm|
||Height|93.1 mm|
||Depth|102.5 mm|



## Dimensions 

## Material specifications 

|aterial specifications||
|---|---|
|Color (Housing)|yellow (RAL 1018)|
|Housing material|PBT|



## Characteristics 

|haracteristics||
|---|---|
|Safety data||
|Stop category|0|
|Safety data: EN 50156-2||
|Safety Integrity Level (SIL)|3 (Reference IEC 61508)|
|Safety data: IEC 61508 - High demand||
|Safety Integrity Level (SIL)|3|
|Safety data: IEC 61508 - Low demand||
|Safety Integrity Level (SIL)|3|



## Environmental and real-life conditions 

|nvironmental and real-life conditions||
|---|---|
|Ambient conditions||
|Degree of protection|IP20|
|Min. degree of protection of inst. location|IP54|
|Ambient temperature (operation)|-40 °C ... 70 °C (observe derating)|
|Ambient temperature (storage/transport)|-40 °C ... 85 °C|
|Maximum altitude|≤ 2000 m (Above sea level)|
|Max. permissible humidity (storage/transport)|75 % (on average, 85% infrequently, non-condensing)|
|Max. permissible relative humidity (operation)|75 % (on average, 85% infrequently, non-condensing)|
|Shock|15g|
|Vibration (operation)|10 Hz ... 150 Hz, 2g|



Mar 20, 2026, 5:58�AM     Page 4 (10) 

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

## 2702663 

https://www.phoenixcontact.com/in/products/2702663 

## Approvals 

|pprovals||
|---|---|
|ATEX||
|Identification|II 3G  Ex ec nC IIC T4 Gc|
|Certificate|UL 22 ATEX 2912X|
|IECEx||
|Identification|Ex ec nC IIC T4 Gc|
|Certificate|IECEx UL 22.0037X|
|UL, USA/Canada||
|Identification|cULus|
|Certificate|E140324|
|UL Ex, USA / Canada||
|Identification|Class I, Zone 2, AEx ec nC IIC T4 / Ex ec nC IIC Gc T4 X|
||Class I, Div. 2, Groups A, B, C, D, T4|
|Certificate|E360692|
|CE||
|Identification|CE-compliant|
|Environmental simulation test||
|Identification|G3|
|Certificate|ISA-S71.04|
|CCC / China-Ex||
|Identification|Ex ec nC IIC T4 Gc|
|Certificate|2022122304115695|
|ounting||
|Mounting type|DIN rail mounting|
|Assembly note|See derating curve|
|Mounting position|vertical or horizontal|



## Mounting 

Mar 20, 2026, 5:58�AM     Page 5 (10) 

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

## 2702663 

https://www.phoenixcontact.com/in/products/2702663 

## Drawings 

**==> picture [412 x 367] intentionally omitted <==**

**----- Start of picture text -----**<br>
Circuit diagram<br>24 V DC SIS / FS-PLC<br>Logic<br>I/O<br>24V<br>0V DO DO DI<br>0 V GND<br>L<br>K1<br>K2<br>A1 13 22 K1<br>PSR-PS23 K2<br>A2 14 21<br>M<br>K1 24 V DC<br>K2<br>N<br>**----- End of picture text -----**<br>


Example application 

Mar 20, 2026, 5:58�AM     Page 6 (10) 

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

## 2702663 

https://www.phoenixcontact.com/in/products/2702663 

**==> picture [410 x 367] intentionally omitted <==**

**----- Start of picture text -----**<br>
Circuit diagram<br>24 V DC SIS / FS-PLC<br>Logic<br>I/O<br>24V<br>0V DO DO DI<br>0 V GND<br>L<br>A1 13 22 K1<br>PSR-PS23 K2<br>A2 14 21<br>M<br>K1<br>K2<br>N<br>**----- End of picture text -----**<br>


Example application 

**==> picture [380 x 196] intentionally omitted <==**

**----- Start of picture text -----**<br>
Block diagram<br>A1 21 13<br>PSR-PS23<br>PWR K1/2 K1<br>K2<br>24V DC<br>A2 22 14<br>**----- End of picture text -----**<br>


Block diagram 

Mar 20, 2026, 5:58�AM     Page 7 (10) 

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

## 2702663 

https://www.phoenixcontact.com/in/products/2702663 

## Approvals 

To download certificates, visit the product detail page: https://www.phoenixcontact.com/in/products/2702663 

 Functional Safety Approval ID: 44 780 15124307  cULus Listed Approval ID: E140324 

 IECEx Approval ID: IECEx ULD 22.0037X  ATEX Approval ID: UL 22 ATEX 2912X 

 cULus Listed Approval ID: E360692 

 CCC Approval ID: 2022122304115695 

Mar 20, 2026, 5:58�AM     Page 8 (10) 

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

2702663 

https://www.phoenixcontact.com/in/products/2702663 

## Classifications 

|ECLASS|ECLASS||
|---|---|---|
||ECLASS-13.0|27371819|
||ECLASS-15.0|27371819|
|ETIM|||
||ETIM 10.0|EC001449|
|UNSPSC|||
||UNSPSC 21.0|39122205|



Mar 20, 2026, 5:58�AM     Page 9 (10) 

## PSR-PS23-1NO-1NC-24VDC-SC - Coupling relay 

## 2702663 

https://www.phoenixcontact.com/in/products/2702663 

## Environmental product compliance 

|ironmental product compliance||
|---|---|
|EU RoHS||
|Fulfills EU RoHS substance requirements|Yes|
|Exemption|7(a), 7(c)-I|
|China RoHS||
|Environment friendly use period (EFUP)|EFUP-50|
||An article-related China RoHS declaration table can be found in<br>the download area for the respective article under "Manufacturer<br>declaration". For all articles with EFUP-E, no China RoHS<br>declaration table issued and required.|



EU REACH SVHC REACH candidate substance (CAS No.) Lead(CAS: 7439-92-1) SCIP 9992fd73-714a-4a39-bf9e-3b269187e7e2 

Phoenix Contact 2026 © - all rights reserved https://www.phoenixcontact.com 

PHOENIX CONTACT (I) Pvt. Ltd. A-58/2, Okhla Industrial Area, Phase - II, New Delhi-110 020 

+91.1275.71420 info@phoenixcontact.co.in 

Mar 20, 2026, 5:58�AM     Page 10 (10) 



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- [Supplier page](https://es.farnell.com/phoenix-contact/2702663/coupling-relay-dpst-no-nc-24v/dp/4913659)
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