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

![Product image](https://novapart.co/image/farnell:2064575/)

**URL**: https://novapart.co/products/2963776/safety-relay-24-vdc-3pst-no-spst-nc-psrclassic
**SKU**: 2963776
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Safety Relays
**Price**: €210.6800
**Stock**: 100+
**Lead Time**: 36 days (indicative)

## Description

Coil Voltage:24V; Contact Configuration:3PST-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 | 24VDC |
| 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:2064575/)

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

2963776 

https://www.phoenixcontact.com/in/products/2963776 

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. 

Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e according to EN ISO 13849, 1- or 2-channel operation, 3 enabling current paths, nominal input voltage of 24 V AC/DC, plug-in screw terminal block 

## Your advantages 

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

- 1- and 2-channel control 

- 3 enabling current paths, 1 signaling current path 

- Manual and monitored activation 

Jun 6, 2022, 9:07 AM     Page 1 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

## 2963776 

https://www.phoenixcontact.com/in/products/2963776 

## Commercial Data 

|Commercial Data||
|---|---|
|Item number|2963776|
|Packing unit|1 pc|
|Minimum order quantity|1 pc|
|Sales Key|DNA|
|Product Key|DNA112|
|Catalog Page|Page 21 (IF-2009)|
|GTIN|4017918823627|
|Weight per Piece (including packing)|191.92 g|
|Weight per Piece (excluding packing)|160.95 g|
|Customs tariff number|85371098|
|Country of origin|DE|



Jun 6, 2022, 9:07 AM     Page 2 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

## 2963776 

https://www.phoenixcontact.com/in/products/2963776 

## Technical Data 

## Product properties 

Product type Safety relays Application Emergency stop Safety door Mechanical service life approx. 10[7] cycles Relay type Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 

Insulation characteristics Overvoltage category 

III 

## Electrical properties 

Maximum power dissipation for nominal condition 1.56 W Nominal operating mode 100% operating factor Rated insulation voltage 250 V Rated surge voltage/insulation 

4 kV / Basic isolation, (safe isolation, reinforced insulation and 6 kV between input circuit and enabling current paths.) 

## Input data 

Nominal input voltage UN Input voltage range in reference to UN Typical input current at UN 

Voltage at input/start and feedback circuit Typical response time Typical release time 

24 V AC/DC 0.85 ... 1.1 140 mA AC 65 mA DC approx. 24 V DC 20 ms (Monitored/manual start) 45 ms (single-channel) 10 ms (two-channel) 

Concurrence ∞ Recovery time 1 s Protective circuit Surge protection; Suppressor diode Max. permissible overall conductor resistance approx. 50 Ω (Input and start circuits at UN) Operating voltage display Green LED Status display Green LED 

## Output data 

Contact type 3 enabling current paths 1 signaling current path Contact material AgSnO2, + 0.2 µm Au Maximum switching voltage 250 V AC/DC Minimum switching voltage 15 V AC/DC Limiting continuous current 6 A (N/O contact) Maximum inrush current 6 A Inrush current, minimum 25 mA 

Jun 6, 2022, 9:07 AM     Page 3 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

## 2963776 

https://www.phoenixcontact.com/in/products/2963776 

|Sq. Total current|72 A2(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)|
|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|
|Switching capacity (360/h cycles)|6 A (24 V DC)|
||5 A (230 V AC)|
|Switching capacity (3600/h cycles)|3 A (24 V (DC13))|
||3 A (230 V (AC 15))|
|Output fuse|10 A gL/gG NEOZED (N/O contact)|
||6 A gL/gG NEOZED (N/C contact)|



## Connection data 

|onnection data||
|---|---|
|Connection technology||
|pluggable|yes|
|Conductor connection||
|Connection method|Screw connection|
|Conductor cross section solid|0.2 mm² ... 2.5 mm²|
|Conductor cross-section AWG|24 ... 12|
|Screw thread|M3|



## Dimensions 

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



## Material specifications 

|aterial specifications||
|---|---|
|Housing material|Polyamide|
|Housing color|yellow|



## Connector 

|Application|Emergency stop|
|---|---|
||Safety door|
|Connection method|Screw connection|
|Housing material|Polyamide|
|Degree of protection|IP20|
|Application|Emergency stop|



|Application|Emergency stop|
|---|---|
||Safety door|
|Connection method|Screw connection|
|Housing material|Polyamide|
|Degree of protection|IP20|
|Application|Emergency stop|



Jun 6, 2022, 9:07 AM     Page 4 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

## 2963776 

https://www.phoenixcontact.com/in/products/2963776 

|||Safety door|
|---|---|---|
||Connection method|Screw connection|
||haracteristics||
||Safety data||
||Stop category|0|
||Safety data: EN ISO 13849||
||Category|4|
||Performance level (PL)|e|
||Safety data: IEC 61508 - High demand||
||Designation|Data only applies if the safety function is demanded at least once|
|||a year and the signal contact is read back.|
||Probability of a hazardous failure per hour (PFHD)|5.05 x 10-10|
||Proof test interval|240 Months|
||Duration of use|240 Months|
||Safety data: IEC 61508 - Low demand||
||Designation|The data is only valid if the demand rate is no more than once a|
|||year.|
||Safety Integrity Level (SIL)|3|
||Mean time to a dangerous failure (MTTFD)|19629 Years|
||Probability of a hazardous failure on demand (PFDAVG)|1.37 x 10-4|
||Proof test interval|66 Months|
||Duration of use|240 Months|



## Characteristics 

## 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)|-20 °C ... 55 °C|
|Ambient temperature (storage/transport)|-40 °C ... 70 °C|
|Maximum altitude|≤ 2000 m (Above sea level)|
|Shock|15g|
|Vibration (operation)|10 Hz ... 150 Hz, 2g|



## Standards and regulations 

||Air clearances and creepage distances between the power circuits||
|---|---|---|
||Standards/regulations|DIN EN 50178/VDE 0160|
||ounting||
||Mounting type|DIN rail mounting|
||Mounting position|any|



## Mounting 

Jun 6, 2022, 9:07 AM     Page 5 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

2963776 

https://www.phoenixcontact.com/in/products/2963776 

## Drawings 

**==> picture [69 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
Circuit diagram<br>**----- End of picture text -----**<br>


**==> picture [304 x 257] intentionally omitted <==**

**----- Start of picture text -----**<br>
L+<br>(L1)<br>Emergency<br>stop<br>S1<br>A1 S11 S12 S21 S22 13 23 33 41 K3<br>(+) ( ) (GND) ( )<br>PSR-ESM4/3x1/1x2/B<br>(+) ( )<br>A2 S33 S34 14 24 34 42 K4<br>K3 M<br>Reset K4 K4<br>S2<br>K3<br>M<br>(N)<br>**----- End of picture text -----**<br>


Two-channel emergency stop monitoring 

Circuit diagram 

**==> picture [310 x 256] intentionally omitted <==**

**----- Start of picture text -----**<br>
L+<br>(L1)<br>Emergency stop<br>S1<br>A1 S11 S12 S21 S22 13 23 33 41 K3<br>(+) (   ) (GND) (   )<br>PSR-ESM4/3x1/1x2/B<br>(+) (   )<br>A2 S33 S34 14 24 34 42 K4<br>M<br>Reset K4<br>S2<br>K3<br>M<br>(N)<br>**----- End of picture text -----**<br>


Single-channel emergency stop monitoring 

Jun 6, 2022, 9:07 AM     Page 6 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

## 2963776 

https://www.phoenixcontact.com/in/products/2963776 

**==> picture [389 x 234] intentionally omitted <==**

**----- Start of picture text -----**<br>
Circuit diagram<br>A1 S11 S12 S33 S34 13 23 33 41<br>U Logic K1<br>IN 1/2<br>Logic<br>K2<br>Power<br>24 VDC<br>A2 S21 S22 14 24 34 42<br>**----- End of picture text -----**<br>


Block diagram 

Jun 6, 2022, 9:07 AM     Page 7 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

2963776 

https://www.phoenixcontact.com/in/products/2963776 

## Approvals 

 EAC Approval ID: TR_TS_D_00573_c 

 UL Listed Approval ID: FILE E 140324 

##  cUL Listed Approval ID: FILE E 140324 

##  Functional Safety Approval ID: 01/205/0652.03/22 

##  Functional Safety Approval ID: 968/EZ 404.05/22 

## cULus Listed 

Jun 6, 2022, 9:07 AM     Page 8 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

2963776 

https://www.phoenixcontact.com/in/products/2963776 

## Classifications 

## ECLASS 

|CLASS||
|---|---|
|ECLASS-9.0|27371819|
|ECLASS-10.0.1|27371819|
|ECLASS-11.0|27371819|



## ETIM 

||ETIM 8.0|EC001449|
|---|---|---|
||NSPSC||
||UNSPSC 21.0|39122200|



## UNSPSC 

Jun 6, 2022, 9:07 AM     Page 9 (10) 

## Safety relays - PSR-SCP- 24UC/ESM4/3X1/1X2/B 

2963776 

https://www.phoenixcontact.com/in/products/2963776 

## Environmental Product Compliance 

REACh SVHC 

Lead 7439-92-1 

China RoHS 

Environmentally Friendly Use Period = 50 years 

For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads” 

Phoenix Contact 2022 © - 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 

Jun 6, 2022, 9:07 AM     Page 10 (10) 



## Links

- [View this product on Novapart](https://novapart.co/products/2963776/safety-relay-24-vdc-3pst-no-spst-nc-psrclassic)
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- [Supplier page](https://es.farnell.com/phoenix-contact/psr-scp-24uc-esm4-3x1-1x2-b/relay-safety-3no-1nc-250v-6a/dp/2064575)
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