2909738

Power Relay, 4PDT, 24 VDC, 6 A, REL-IR4 Series, Socket

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: PHOENIX CONTACT
Product type: Power Relays
Contact Configuration:4PDT; Coil Voltage:24VDC; Contact Current:6A; Product Range:REL Series; Relay Mounting:Socket; Coil Type:-; Contact Voltage VAC:250V; Relay Terminals:Quick Conn
SVHC: No SVHC (04-Feb-2026)
Coil Type: -
Coil Voltage: 24VDC
Product Range: REL-IR4 Series
Relay Mounting: Socket
Coil Resistance: -
Contact Current: 6A
Relay Terminals: Quick Connect
Contact Material: Silver Nickel
Contact Voltage VAC: 250V
Contact Voltage VDC: 250V
Approvals & Standards: UL
Contact Configuration: 4PDT

Delivery and price
Units per pack	50
Price	15.41 €
Current stock	10+
Lead time	30 days

Datasheet

https://www.phoenixcontact.com/gb/products/2909738 

## Single relay - REL-IR4/24DC/4X21/EX - 2909738 

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) 

Pluggable industrial relay, RT III sealed with power contacts, 4x changeover contacts, mechanical switch position indicator, polarity: non-polarized, input voltage: 24 V DC, in connection with RIF-2.../EX bases approved in accordance with ATEX/IECEx (zone 2) and Ex zone class I, div. 2. 

## Key Commercial Data 

~~a (~~ Packing unit 10 STK GTIN 4°055626°379685 ~~ci~~ ~~**a** (~~ GTIN 4055626379685 Weight per Piece (excluding packing) 35.430 g ~~a~~ Custom tariff number 85364190 ~~|~~ Country of origin Poland ~~[(~~ Note Made to Order (non-returnable) 

## Technical data 

## Dimensions 

|Width|21.2 mm|
|---|---|
|Height|27.5 mm|
|Depth|35.6 mm|
|Ambient conditions||
|Ambient temperature (operation)|-40 °C ... 70 °C|
|Ambient temperature (storage/transport)|-40 °C ... 85 °C|
|Coil side||
|Nominal input voltage UN|24 V DC|
|Input voltage range in reference to UN|see diagram|
|Typical input current at UN|38 mA|
|Typical response time|13 ms|
|Typical release time|3 ms|



## Ambient conditions 

## Coil side 

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https://www.phoenixcontact.com/gb/products/2909738 

## Single relay - REL-IR4/24DC/4X21/EX - 2909738 

## Technical data 

## Coil side 

|Coil side<br>Power dissipation for nominal condition<br>Contact side|0.91 W|
|---|---|
|Contact type|4 PDTs|
|Type of switch contact|Single contact|
|Contact material|AgNi|
|Maximum switching voltage|250 V AC/DC|
|Minimum switching voltage|5 V (At 24 mA)|
|Min. switching current|5 mA (at 24 V)|
|Maximum inrush current|16 A (20 ms, N/O contact)|
||12 A (4 s, 4 N/O contacts)|
|Limiting continuous current|6 A|
|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 in acc. with DIN VDE 0660/IEC 60947|2 A (at 24 V, DC13)|
||1 A (at 230 V, AC15)|



General Test voltage relay winding/relay contact 2.5 kVrms (50 Hz, 1 min.) Test voltage PDT/PDT 2.5 kVrms (50 Hz, 1 min.) Operating mode 100% operating factor Degree of protection RT I Mechanical service life 1x 107 cycles, approximately Mounting position any ~~==~~ Standards and Regulations Standards/regulations IEC 60664 IEC 61810 Rated insulation voltage 250 V AC Rated surge voltage 2.5 kV Insulation Basic insulation Degree of pollution 2 Overvoltage category II Environmental Product Compliance China RoHS Environmentally Friendly Use Period = 50 ~~>~~ 08/13/2018   Page 2 / 5 

https://www.phoenixcontact.com/gb/products/2909738 

## Single relay - REL-IR4/24DC/4X21/EX - 2909738 

## Technical data 

Environmental Product Compliance 

For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration” 

## Drawings 

## Circuit diagram 

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Interrupting rating 

Diagram 

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Diagram 

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107<br>a<br>106<br>Ve<br>————<br>105 ST“™<br>0 1 2 3<br>Cycles<br>**----- End of picture text -----**<br>


Operating voltage range 

Electrical service life 

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## Single relay - REL-IR4/24DC/4X21/EX - 2909738 

## Diagram 

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1<br>0,9 a ee ee<br>0,8 | | PAR ft<br>0,7<br>0,6<br>0,50,4 | | | | | | IN<br>0,3 1 | 0,9 | 0,8 | 0,7 | 0,6 [| 0,5 | 0,4 [| | 0,3 Ss 0,2<br>COS<br>**----- End of picture text -----**<br>


Service life reduction factor 

## Classifications 

## eCl@ss 

|eCl@ss 5.0|eCl@ss 5.0|27371601|
|---|---|---|
|eCl@ss 5.1|eCl@ss 5.1|27371600|
|eCl@ss 6.0|eCl@ss 6.0|27371600|
|eCl@ss 7.0|eCl@ss 7.0|27371601|
|eCl@ss 8.0|eCl@ss 8.0|27371601|
|eCl@ss 9.0|eCl@ss 9.0|27371601|



## ETIM 

|ETIM 2.0|EC001437|
|---|---|
|ETIM 3.0|EC001437|
|ETIM 4.0|EC001437|
|ETIM 5.0|EC001437|
|ETIM 6.0|EC001437|
|UNSPSC||
|UNSPSC 6.01|30211916|
|UNSPSC 7.0901|39121515|
|UNSPSC 11|39121515|
|UNSPSC 12.01|39121515|
|UNSPSC 13.2|39122334|



## UNSPSC 

## Approvals 

## Approvals 

## Approvals 

UL Recognized / cUL Recognized / cULus Recognized 

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https://www.phoenixcontact.com/gb/products/2909738 

## Single relay - REL-IR4/24DC/4X21/EX - 2909738 

## Approvals 

Ex Approvals 

## Approval details 

> UL Recognized  http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 172140 

> cUL Recognized  http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 172140 

> cULus Recognized  http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm ~~ee~~ 

## Accessories 

## Necessary add-on products 

Relay Module - RIF-2-RPT-LDP-24DC/4X21/EX - 2909741 

Pre-assembled relay module consisting of: relay base, function plug-in module, power contact relay, and retaining bracket, approval in accordance with ATEX/IECEx (Zone 2) and Ex Zone Class I, Div. 2, Push-in connection, 4 PDTs, Input voltage: 24 V DC 

Relay Module - RIF-2-RSC-LDP-24DC/4X21/EX - 2909845 

Pre-assembled relay module consisting of: relay base, function plug-in module, power contact relay, and retaining bracket, approval in accordance with ATEX/IECEx (Zone 2) and Ex Zone Class I, Div. 2, Screw connection, 4 PDTs, Input voltage: 24 V DC 

Phoenix Contact 2018 © - all rights reserved http://www.phoenixcontact.com 

08/13/2018   Page 5 / 5

Updated at June 10, 2026

Phoenix Contact is a global leader in industrial connection technology, automation systems, and electronic interface solutions. With decades of engineering heritage originating in Germany, the company develops robust components designed to ensure reliable power, data, and signal transmission across demanding manufacturing and industrial environments. The cornerstone of the Phoenix Contact portfolio is its industry-leading selection of connection technologies. The range features an exceptional variety of terminal blocks, including pluggable headers and sockets, highly reliable wire-to-board solutions, and versatile DIN rail terminal blocks. These foundational connectivity components are supported by a comprehensive ecosystem of power distribution blocks, interface modules, marking systems, and accessories engineered for seamless control cabinet wiring. Beyond physical connectivity, Phoenix Contact provides critical components for advanced automation, control, and system protection. The wider offering encompasses a broad spectrum of process controllers, high-efficiency AC/DC converters, and a comprehensive suite of power, safety, and solid-state relays. From precision signal converters and electronic circuit breakers to fiber optic cable assemblies, Phoenix Contact equips engineers with the high-performance technologies required to build secure, highly efficient, and future-ready industrial systems.

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