# Power Relay, 4PDT, 24 VDC, 2 A, REL-IR4/LDP Series, Socket

![Product image](https://novapart.co/image/farnell:3256167/)

**URL**: https://novapart.co/products/2903677/power-relay-4pdt-24-vdc-2-a-rel-ir4-ldp-series
**SKU**: 2903677
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Power Relays
**Price**: €8.4300
**Stock**: 10+

## Description

Available until stocks are exhausted

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Coil Type | - |
| Coil Voltage | 24VDC |
| Product Range | REL-IR4/LDP Series |
| Relay Mounting | Socket |
| Coil Resistance | - |
| Contact Current | 2A |
| Relay Terminals | Quick Connect |
| Contact Material | Silver Nickel |
| Contact Voltage Vac | 250V |
| Contact Voltage Vdc | 250V |
| Contact Configuration | 4PDT |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3256167/)

## REL-IR4/LDP- 24DC/4X21 - Single relay 

## 2903677 

https://www.phoenixcontact.com/gb/products/2903677 

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. 

Plug-in industrial relay with power contacts, 4 changeover contacts, test button, status LED, freewheeling diode, mechanical switching position indicator, polarity: A1+, A2-, input voltage: 24 V DC 

## Commercial data 

|Item number|2903677|
|---|---|
|Packing unit|10 pc|
|Minimum order quantity|10 pc|
|Sales key|CK6949|
|Product key|CK6949|
|Catalog page|Page 300 (C-5-2019)|
|GTIN|4046356758901|
|Weight per piece (including packing)|36.1 g|
|Weight per piece (excluding packing)|34.4 g|
|Customs tariff number|85364190|
|Country of origin|PL|



Oct 24, 2024, 7:09 AM     Page 1 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

## 2903677 

https://www.phoenixcontact.com/gb/products/2903677 

## Technical data 

## Product properties 

|oduct properties||
|---|---|
|Product type|Single relay|
|Operating mode|100% operating factor|
|Mechanical service life|approx. 2x 107cycles|
|Data management status||
|Date of last data management|02.05.2024|
|Article revision|02|
|Insulation characteristics||
|Insulation|Basic insulation|
|Overvoltage category|II|
|Pollution degree|2|



## Electrical properties 

|ectrical properties||
|---|---|
|Service life electrical|see diagram|
|Maximum power dissipation for nominal condition|1.01 W|
|Test voltage (Winding/contact)|2.5 kVrms(50 Hz, 1 min., winding/contact)|
|Test voltage (Changeover contact/changeover contact)|2 kVrms(50 Hz, 1 min., changeover contact/changeover contact)|
|Rated insulation voltage|250 V AC|
|Rated surge voltage|2.5 kV|



## Input data 

## Coil side 

Nominal input voltage UN 24 V DC Input voltage range 18.7 V DC ... 46.8 V DC (20 °C) Drive and function monostable Drive (polarity) polarized Typical input current at UN 42 mA Typical response time 13 ms Typical release time 14 ms Protective circuit Freewheeling diode Status display LED (yellow) 

## Output data 

|utput data||
|---|---|
|Switching||
|Contact switching type|4 changeover contacts|
|Type of switch contact|Single contact|
|Contact material|AgNi|
|Maximum switching voltage|250 V AC/DC|
|Minimum switching voltage|5 V (At 24 mA)|



Oct 24, 2024, 7:09 AM     Page 2 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

## 2903677 

https://www.phoenixcontact.com/gb/products/2903677 

|Limiting continuous current|6 A|
|---|---|
|Maximum inrush current|16 A (20 ms, N/O contacts)|
|Min. switching current|5 mA (at 24 V)|
|Interrupting rating (ohmic load) max.|144 W (at 24 V DC)|
||124 W (at 48 V DC)|
||108 W (at 60 V DC)|
||52 W (at 110 V DC)|
||48 W (at 220 V DC)|
||1500 VA (for 250 V AC)|
|Switching capacity min.|0.12 W|
|Switching capacity|2 A (at 24 V, DC13)|
||0.22 A (at 120 V, DC13)|
||0.11 A (at 250 V, DC13)|
||1.5 A (at 24 V, AC15)|
||1.5 A (at 120 V, AC15)|
||1 A (at 240 V, AC15)|
|Motor load according to UL 508|1/3 HP, 240 V AC|



## Connection data 

||Connection method|Plug-in connection|
|---|---|---|
||mensions||
||Width|21.2 mm|
||Height|27.5 mm|
||Depth|35.6 mm|



## Dimensions 

## Environmental and real-life conditions 

|nvironmental and real-life conditions||
|---|---|
|Ambient conditions||
|Degree of protection|RT I|
|Ambient temperature (operation)|-40 °C ... 70 °C|
|Ambient temperature (storage/transport)|-40 °C ... 85 °C|



## Approvals 

|pprovals||
|---|---|
|Corrosive gas test||
|Identification|ISA-S71.04. G3 Harsh Group|
||EN 60068-2-60|



## Standards and regulations 

|Standards/regulations|IEC 60664|
|---|---|
||IEC 61810|



## Mounting 

Mounting position any 

Oct 24, 2024, 7:09 AM     Page 3 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

2903677 

https://www.phoenixcontact.com/gb/products/2903677 

## Drawings 

**==> picture [408 x 235] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diagram<br>100<br>80<br>60<br>A B<br>40<br>20<br>0<br>-40 -20 0 20 40 60 80 100<br>  [°C]<br>HR [%]<br>**----- End of picture text -----**<br>


Permissible humidity for operation and storage. 

The maximum permissible ambient temperature as specified in the data sheet must be observed. 

Area A: Ice buildup at ambient temperatures ≤ 0°C must be prevented Area B: Condensation at ambient temperatures > 0°C must be prevented 

On 30 full days that are naturally distributed across an entire year, a humidity level of 95% is permissible at an ambient temperature ≤ 25°C. 

Oct 24, 2024, 7:09 AM     Page 4 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

2903677 

https://www.phoenixcontact.com/gb/products/2903677 

**==> picture [406 x 284] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diagram<br>2,4<br>2,2<br>2<br>1,8<br>1,6<br>1,4<br>1,2<br>1<br>0,8<br>0,6<br>0 10 20 30 40 50 60 70 80<br>Ambient temperature [°C]<br>N<br>Coil voltage U/U<br>**----- End of picture text -----**<br>


**==> picture [53 x 32] intentionally omitted <==**

**----- Start of picture text -----**<br>
DC coils<br>AC coils<br>**----- End of picture text -----**<br>


Operating voltage range 

Oct 24, 2024, 7:09 AM     Page 5 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

2903677 

https://www.phoenixcontact.com/gb/products/2903677 

**==> picture [403 x 294] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diagram<br>7<br>10<br>6<br>10<br><br>5<br>10<br>0 1 2 3<br>Switching capacity [kVA]<br>Cycles<br>**----- End of picture text -----**<br>


**==> picture [159 x 15] intentionally omitted <==**

**----- Start of picture text -----**<br>
 250 V AC, Ohmic load<br>**----- End of picture text -----**<br>


Electrical service life 

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## REL-IR4/LDP- 24DC/4X21 - Single relay 

2903677 

https://www.phoenixcontact.com/gb/products/2903677 

## Diagram 

**==> picture [398 x 225] intentionally omitted <==**

**----- Start of picture text -----**<br>
1<br>0,9<br>0,8<br>0,7<br>0,6<br>0,5<br>0,4<br>0,3<br>1 0,9 0,8 0,7 0,6 0,5 0,4 0,3 0,2<br>COS [�]<br>Reduction factor<br>**----- End of picture text -----**<br>


Service life reduction factor 

Oct 24, 2024, 7:09 AM     Page 7 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

2903677 

https://www.phoenixcontact.com/gb/products/2903677 

**==> picture [414 x 325] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diagram<br>20<br>10<br>6<br>4 <br>2<br><br>1<br>0,5<br>0,3<br>0,2<br>0,1<br>10 20 30 50 70 100 200 300<br>Switching voltage [V]<br> AC, ohmic load<br> DC, ohmic load<br>Switching current [A]<br>**----- End of picture text -----**<br>


Interrupting rating 

## Circuit diagram 

**==> picture [272 x 184] intentionally omitted <==**

**----- Start of picture text -----**<br>
11 14 12<br>A1<br>21 24 22<br>31 34 32<br>A2<br>41 44 42<br>**----- End of picture text -----**<br>


Oct 24, 2024, 7:09 AM     Page 8 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

2903677 

https://www.phoenixcontact.com/gb/products/2903677 

## Approvals 

To download certificates, visit the product detail page: https://www.phoenixcontact.com/gb/products/2903677 

 CSA Approval ID: 256725 cUL Recognized  Approval ID: FILE E 172140 

UL Recognized  Approval ID: FILE E 172140 

 VDE Zeichengenehmigung Approval ID: 40040427 

cULus Recognized 

Oct 24, 2024, 7:09 AM     Page 9 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

2903677 

https://www.phoenixcontact.com/gb/products/2903677 

## Classifications 

## ECLASS 

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



## ETIM 

||ETIM 9.0|EC001437|
|---|---|---|
||NSPSC||
||UNSPSC 21.0|39122300|



## UNSPSC 

Oct 24, 2024, 7:09 AM     Page 10 (11) 

## REL-IR4/LDP- 24DC/4X21 - Single relay 

## 2903677 

https://www.phoenixcontact.com/gb/products/2903677 

## Environmental product compliance 

## EU RoHS 

Fulfills EU RoHS substance requirements Yes, No exemptions Environment friendly use period (EFUP) EFUP-E No hazardous substances above the limits 

## China RoHS 

## EU REACH SVHC 

REACH candidate substance (CAS No.) 

No substance above 0.1 wt% 

EF3.0 Climate Change CO2e kg 0.318 kg CO2e 

Phoenix Contact 2024 © - all rights reserved https://www.phoenixcontact.com 

PHOENIX CONTACT Ltd Halesfield 13, Telford Shropshire, TF7 4PG 01952 681700 info@phoenixcontact.co.uk 

Oct 24, 2024, 7:09 AM     Page 11 (11) 



## Links

- [View this product on Novapart](https://novapart.co/products/2903677/power-relay-4pdt-24-vdc-2-a-rel-ir4-ldp-series)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/2903677/power-relay-4pdt-2a-250v/dp/3256167)
---

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