# Safety Relay, 24 VAC/VDC, DPDT, PSRclassic Series, DIN Rail, 5 A, Screw

![Product image](https://novapart.co/image/farnell:2064582/)

**URL**: https://novapart.co/products/2981363/safety-relay-24-vac-vdc-dpdt-psrclassic-series-din
**SKU**: 2981363
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Safety Relays
**Price**: €39.6800
**Stock**: 50+
**Lead Time**: 36 days (indicative)

## Description

Coil Voltage:24V; Contact Configuration:DPDT; Product Range:PSR Series; Relay Mounting:DIN Rail; Contact Current:5A; Relay Terminals:Screw; Contact Voltage AC Nom:250V; Contact Voltage DC N

## 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 | 5A |
| Relay Terminals | Screw |
| Contact Material | Silver Nickel |
| Contact Configuration | DPDT |
| Contact Voltage Ac Nom | 250V |
| Contact Voltage Dc Nom | 250V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2064582/)

## PSR-SCF- 24UC/URM/2X21 - Coupling relay 

2981363 

https://www.phoenixcontact.com/in/products/2981363 

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. 

Safe coupling relay with force-guided contacts, 2 changeover contacts, 1-channel, fixed screw terminal block, width: 17.5 mm 

## Your advantages 

- 

- 

- 

- 

- 

- Suitable up to category 1, PL c (EN ISO 13849-1), SIL 1 (EN 62061), SIL 1 (IEC 61508) 

- Safe readback due to force-guided signal contact in accordance with EN 50205 

- Easy proof test according to IEC 61508 thanks to integrated signal contact 

- 1 or 2-channel control 

- 2 changeover contacts (EN 50205 type B) 

## Commercial Data 

|Item number|2981363|
|---|---|
|Packing unit|10 pc|
|Minimum order quantity|10 pc|
|Sales Key|DNA|
|Product Key|DNA162|
|Catalog Page|Page 247 (C-6-2019)|
|GTIN|4017918946906|
|Weight per Piece (including packing)|61.49 g|
|Weight per Piece (excluding packing)|56.667 g|
|Customs tariff number|85364900|
|Country of origin|DE|



May 15, 2023, 9:05 AM     Page 1 (8) 

## PSR-SCF- 24UC/URM/2X21 - Coupling relay 

2981363 

https://www.phoenixcontact.com/in/products/2981363 

## Technical Data 

## Product properties 

|roduct properties||
|---|---|
|Product type|Coupling relay|
|Product family|PSRclassic|
|Application|Safe switch off|
||High demand|
||Low demand|
|Mechanical service life|10x 106cycles|
|Relay type|Electromechanical relay with force-guided contacts in<br>accordance with IEC/EN 61810-3|
|Times||
|Restart time|< 1 s (Boot time)|
|Recovery time|< 500 ms|



## Electrical properties 

|ectrical properties||
|---|---|
|Maximum power dissipation for nominal condition|5.87 W (at UB= 26.4 V DC, US= 24 V, IS= 30 mA, n = 1,|
||IL² = 50 A², Rcontact= 0.1 �)|
|Nominal operating mode|100% operating factor|



|Maximum power dissipation for nominal condition<br>5.87 W (at UB= 26.4 V DC, US= 24 V, IS= 30 mA, n = 1,<br>IL² = 50 A², Rcontact= 0.1 �)|Maximum power dissipation for nominal condition<br>5.87 W (at UB= 26.4 V DC, US= 24 V, IS= 30 mA, n = 1,<br>IL² = 50 A², Rcontact= 0.1 �)|
|---|---|
|Nominal operating mode<br>100% operating factor||
|Air clearances and creepage distances between the power circuits||
|Rated insulation voltage|250 V|
||250 V|
|Rated surge voltage/insulation|4 kV/basic insulation (safe isolation, reinforced insulation, and 6<br>kV between logic and signaling current paths).|



## Input data 

## General 

## 24 V AC/DC -15 % / +10 % 

Rated control circuit supply voltage US 24 V AC/DC -15 % / +10 % Power consumption at US typ. 0.72 W Rated control supply current IS typ. 30 mA Input voltage range 20.4 V AC/DC ... 26.4 V AC/DC Typ. starting time with Us typ. 10 ms Typical release time typ. 10 ms Recovery time < 500 ms Maximum switching frequency 0.5 Hz Operating voltage display 1 x yellow LED 

## Output data 

Contact type 2 changeover contacts Contact material AgNi Maximum switching voltage 230 V AC/DC (Observe the load curve) Minimum switching voltage 5 V AC/DC Limiting continuous current 5 A (N/O contact) 

May 15, 2023, 9:05 AM     Page 2 (8) 

## PSR-SCF- 24UC/URM/2X21 - Coupling relay 

2981363 

https://www.phoenixcontact.com/in/products/2981363 

||3.5 A (N/C contact)|
|---|---|
|Maximum inrush current|6 A|
|Inrush current, minimum|10 mA|
|Sq. Total current|50 A2|
|Interrupting rating (ohmic load) max.|144 W (N/O contact, 24 V DC, τ = 0 ms)|
||288 W (N/O contact, 48 V DC, τ = 0 ms)|
||88 W (N/O contact, 110 V DC, τ = 0 ms)|
||110 W (N/O contact, 220 V DC, τ = 0 ms)|
||1500 VA (N/O contact, 230 V AC, τ = 0 ms)|
|Switching capacity|min. 50 mW|
|Switching capacity in accordance with IEC 60947-5-1|3 A (24 V (DC13))|
||3 A (230 V (AC15))|
|Output fuse|6 A gL/gG (N/O contact)|
||4 A gL/gG (N/O contact, for low-demand applications)|
||4 A gL/gG (N/C contact)|



## Connection data 

|onnection data||
|---|---|
|Connection technology||
|pluggable|no|
|Conductor connection||
|Connection method|Screw connection|
|Conductor cross section rigid|0.2 mm² ... 2.5 mm²|
|Conductor cross section flexible|0.2 mm² ... 2.5 mm²|
|Conductor cross-section AWG|24 ... 12|
|Stripping length|7 mm|
|Screw thread|M3|
|Tightening torque|0.6 Nm|



## Signaling 

Operating voltage display 1 x yellow LED 

## Dimensions 

|mensions||
|---|---|
|Width|17.5 mm|
|Height|75 mm|
|Depth|60.5 mm|



## Material specifications 

Housing material PBT 

## Characteristics 

|haracteristics||
|---|---|
|Safety data||
|Stop category|0|



Safety data: EN ISO 13849 

May 15, 2023, 9:05 AM     Page 3 (8) 

## PSR-SCF- 24UC/URM/2X21 - Coupling relay 

2981363 

https://www.phoenixcontact.com/in/products/2981363 

|Category|1|
|---|---|
|Performance level (PL)|c|
|Safety data: IEC 61508 - High demand||
|Equipment type|Type A|
|Safety Integrity Level (SIL)|1|
|Probability of a hazardous failure per hour (PFHD)|6.67 x 10-7(3 A AC15; 8760 switching cycles/year; 10 % of the|
||total SIL)|
|Proof test interval|240 Months|
|Duration of use|240 Months|
|Safety data: IEC 61508 - Low demand||
|Equipment type|Type A|
|Safety Integrity Level (SIL)|1|
|Probability of a hazardous failure on demand (PFDAVG)|4.05 x 10-3|
|Proof test interval|56 Months|
|Duration of use|240 Months|



## Environmental and real-life conditions 

## Ambient conditions 

|Ambient conditions||
|---|---|
|Degree of protection|IP20|
|Min. degree of protection of inst. location|IP54|
|Ambient temperature (operation)|-20 °C ... 50 °C|
|Ambient temperature (storage/transport)|-20 °C ... 70 °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|N/O contact: 10g, N/C contact: 5g|
|Vibration (operation)|10 Hz ... 150 Hz, 2g|



## Approvals 

CE Certificate 

CE-compliant 

## Standards and regulations 

Air clearances and creepage distances between the power circuits Standards/regulations DIN EN 60947-1 

## Mounting 

Mounting type DIN rail mounting Mounting position vertical or horizontal 

May 15, 2023, 9:05 AM     Page 4 (8) 

## PSR-SCF- 24UC/URM/2X21 - Coupling relay 

2981363 

https://www.phoenixcontact.com/in/products/2981363 

## Drawings 

**==> picture [362 x 194] intentionally omitted <==**

**----- Start of picture text -----**<br>
Block diagram<br>A1 12 14 22 24<br>PWR<br>K1<br>24V UC<br>A2 A2 11 21<br>PSR-URM/2x21<br>**----- End of picture text -----**<br>


Block diagram 

May 15, 2023, 9:05 AM     Page 5 (8) 

## PSR-SCF- 24UC/URM/2X21 - Coupling relay 

2981363 

https://www.phoenixcontact.com/in/products/2981363 

## Approvals 

## EAC 

 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: 44-780-15124312 

 Functional Safety Approval ID: 44-205-15124312 

May 15, 2023, 9:05 AM     Page 6 (8) 

## PSR-SCF- 24UC/URM/2X21 - Coupling relay 

2981363 

https://www.phoenixcontact.com/in/products/2981363 

## Classifications 

## ECLASS 

|CLASS||
|---|---|
|ECLASS-11.0|27371601|
|ECLASS-12.0|27371601|
|ECLASS-13.0|27371601|



## ETIM 

||ETIM 8.0|EC001437|
|---|---|---|
||NSPSC||
||UNSPSC 21.0|39122300|



## UNSPSC 

May 15, 2023, 9:05 AM     Page 7 (8) 

## PSR-SCF- 24UC/URM/2X21 - Coupling relay 

2981363 

https://www.phoenixcontact.com/in/products/2981363 

## 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 2023 © - 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 

May 15, 2023, 9:05 AM     Page 8 (8) 



## Links

- [View this product on Novapart](https://novapart.co/products/2981363/safety-relay-24-vac-vdc-dpdt-psrclassic-series-din)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/psr-scf-24uc-urm-2x21/relay-safety-dpdt-250v-5a/dp/2064582)
---

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