2903278

General Purpose Relay, RIF-4 Series, Interface, Non Latching, 3PDT, 24 VDC, 10 A

⚠️ 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:3PDT; Coil Voltage:24VDC; Contact Current:10A; Product Range:RIF-4 Series; Relay Mounting:Socket; Coil Type:Non Latching; Contact Voltage VAC:440VAC; Relay Terminal
SVHC: Lead (04-Feb-2026)
Coil Type: Non Latching
Coil Voltage: 24VDC
Product Range: RIFLINE complete Series
Relay Mounting: Socket
Coil Resistance: -
Contact Current: 10A
Relay Terminals: Quick Connect
Contact Material: Silver Nickel
Contact Voltage VAC: 440V
Contact Voltage VDC: 250V
Contact Configuration: 3PDT

Delivery and price
Units per pack	20
Price	23.08 €
Current stock	10+
Lead time	30 days

Datasheet

https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

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) 

Pre-assembled relay module with push-in connection, consisting of: relay base, power contact relay, and retaining bracket. Contact type: 3 PDTs. Input voltage: 24 V DC 

## Key Commercial Data 

Packing unit 5 STK ~~a GO~~ GTIN ~~po~~ GTIN 4046356731652 ~~a _Qe~~ Weight per Piece (excluding packing) 211.000 g ~~**a** QO~~ Custom tariff number 85364110 ~~a~~ Country of origin Germany 

## Technical data 

Note 

|Note|Note|
|---|---|
|Utilization restriction<br>EMC: class A product, see manufacturer's declaration in the download<br>area<br>~~es~~||
|Dimensions||
|Width|43 mm|
|Height|111 mm|
|Depth|90 mm|
|Ambient conditions||
|Ambient temperature (operation)|-40 °C ... 60 °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|56 mA|



01/20/2017   Page 1 / 10 

https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

|Technical data|
|---|
|Coil side|
|Typical response time<br>20 ms<br>Typical release time<br>20 ms<br>Coil voltage<br>24 V DC<br>Protective circuit<br>Damping diode<br>Operating voltage display<br>Yellow LED<br>Power dissipation for nominal condition<br>1.34 W<br>Contact side<br>Contact type<br>3 PDTs<br>Type of switch contact<br>Single contact<br>Contact material<br>AgNi<br>Maximum switching voltage<br>440 V AC<br>250 V DC<br>Minimum switching voltage<br>10 V (At 24 mA)<br>Min. switching current<br>10 mA (at 24 V)<br>Maximum inrush current<br>50 A (20 ms, N/O contact)<br>Limiting continuous current<br>10 A (see diagram)<br>Interrupting rating (ohmic load) max.<br>240 W (at 24 V DC)<br>124 W (at 48 V DC)<br>108 W (at 60 V DC)<br>52 W (at 110 V DC)<br>70 W (at 220 V DC)<br>2500 VA (for 250 V AC)<br>4000 VA (At 440 V AC)<br>Switching capacity in acc. with DIN VDE 0660/IEC 60947<br>2 A (at 24 V, DC13)<br>0.22 A (at 120 V, DC13)<br>0.11 A (at 250 V, DC13)<br>3 A (at 24 V, AC15)<br>3 A (at 120 V, AC15)<br>1.5 A (at 240 V, AC15)<br>3-phase motor load<br>1500 W<br>Motor load according to UL 508<br>1/3 HP, 120 V AC (single-phase AC motor)<br>1/2 HP, 240 V AC (single-phase AC motor)<br>1/2 HP, 240 V AC (three-phase induction motor)<br>Connection data input side<br>Connection name<br>Coil side<br>Connection method<br>Push-in connection<br>Stripping length<br>8 mm<br>Conductor cross section solid<br>0.14 mm² ... 1.5 mm²<br>Conductor cross section flexible<br>0.14 mm² ... 1.5 mm²<br>Conductor cross section AWG<br>26 ... 16~~=~~<br>~~SSS~~|
|01/20/2017   Page 2 / 10|



https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

## Technical data 

## Connection data output side 

|Connection data output side||
|---|---|
|Connection name|Contact side|
|Connection method|Push-in connection|
|Stripping length|10 mm|
|Conductor cross section solid|0.14 mm² ... 2.5 mm²|
|Conductor cross section flexible|0.14 mm² ... 2.5 mm²|
|Conductor cross section AWG|26 ... 14|
|General||
|Test voltage relay winding/relay contact|2.5 kVrms(50 Hz, 1 min.)|
|Test voltage relay contact/relay contact|2.5 kVrms(50 Hz, 1 min.)|
|Operating mode|100% operating factor|
|Degree of protection|IP20 (Relay socket)|
||RT I (Relay)|
|Mechanical service life|Approx. 10<br>7cycles|
|Mounting position|any|
|Assembly instructions|In rows with zero spacing|
|Standards and Regulations||
|Connection in acc. with standard<br>CSA<br>Standards/regulations<br>DIN EN 50178<br>IEC 62103<br>Rated insulation voltage<br>250 V AC<br>Rated surge voltage<br>4 kV<br>Insulation<br>Basic insulation<br>Degree of pollution<br>2<br>Overvoltage category<br>III<br>Environmental Product Compliance<br>China RoHS<br>Environmentally Friendly Use Period = 50<br>For details about hazardous substances go to tab “Downloads”,<br>Category “Manufacturer's declaration”<br>Drawings~~a~~||
||01/20/2017   Page 3 / 10|



https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

DC coils 

## Circuit diagram 

Diagram 

**==> picture [418 x 105] intentionally omitted <==**

**----- Start of picture text -----**<br>
32 22 12 1,8 a<br>34 24 14 1,7 a<br>1,6<br>o o ) Caee<br>1,5<br>a<br>1,4<br>31 21 11 oa 1,3<br>1,2<br>srs 1,1 eea | e eee<br>1,0<br>3oO Jff @ ee<br>A2- A1+ 0,90,80,7 ——aa +ee ee ee<br>0,6<br>20 30 40 50 60 70 80<br>N<br>**----- End of picture text -----**<br>


Operating voltage range 

**==> picture [35 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diagram<br>**----- End of picture text -----**<br>


Diagram 

**==> picture [434 x 104] intentionally omitted <==**

**----- Start of picture text -----**<br>
11<br>20 De 10 rT ||...<br>10 PT TT 9 ee ...]<br>5 8<br>5 po INGE Pee 8 7<br>2 6<br>>»Po  Ne 1 | a 5<br>0,5 4<br>S n 0,3 _ |ee|| iN® =e: 3 ——[| a eeee<br>0,2 ee  a tt ae 2 [| ee eee<br>0,110 LL 20 30 ETT 50 70 100 200 EE 300 500 &g 1 20 [| 30 | [ 40 50 | fT 60 [4 70 80<br>**----- End of picture text -----**<br>


Interrupting rating 

Contact derating 

**==> picture [513 x 136] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diagram Diagram<br>107<br>————_———<br>1<br>106 0,9<br>—— 0,8 ee ee<br>i 0,7<br>5 a<br>10<br>0,6<br>aCG :=}  NS 0,5<br>4 0,4<br>10<br>0 S 1 2 e 3 4 * 0,3 EEE EEE<br>1 0,9 0,8 0,7 0,6 0,5 0,4 0,3 0,2<br>Switching capacity [|kVA]——- COS 9<br>Cycles<br>**----- End of picture text -----**<br>


Electrical service life 

Service life reduction factor 

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https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

## Articles in set 

Relay socket - RIF-4-BPT/3X21 - 2900961 

RIF-4... relay base, for high-power relay with 2 or 3 PDTs or 3 N/O contacts, push-in connection, plug-in option for input/suppressor modules, for mounting on NS 35/7,5 

## Single relay - REL-PR3- 24DC/3X21 - 2903702 

Plug-in high-power relay with power contacts, 3 PDTs, coil voltage: 24 V DC 

## Plug-in module - RIF-LDP-12-24 DC - 2900939 

Plug-in module, for mounting on RIF-1, RIF-2, RIF-3, and RIF-4, with freewheeling diode and yellow LED, polarity: A1+, A2-, input voltage: 12 - 24 V DC ±20% 

## Retaining bracket - RIF-RH-4 - 2900956 

Relay retaining bracket, with holder for marking material, suitable for RIF-4 relay base, for high-power relay 

## Classifications 

## eCl@ss 

|eCl@ss||
|---|---|
|eCl@ss 5.0|27371601|
|eCl@ss 5.1|27371601|
|eCl@ss 6.0|27371601|
|eCl@ss 7.0|27371601|
|eCl@ss 8.0|27371601|
|eCl@ss 9.0|27371601|
|ETIM<br>ETIM 2.0<br>EC001437<br>ETIM 3.0<br>EC001437<br>~~——————~~||
||01/20/2017   Page 5 / 10|



https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

## Classifications 

ETIM 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 

## Approvals 

Approvals 

Approvals 

CSA / EAC / GL / LR / EAC / PRS 

Ex Approvals 

Approval details 

http://www.csagroup.org/services/testingCSA 2607057 and-certification/certified-product-listing/  ~~ee~~ EAC EAC-Zulassung  ~~oo~~ GL http://www.gl-group.com/newbuilding/approvals/index.html 11247-14 HH  LR http://www.lr.org/en 15/20011  ~~ee~~ 

01/20/2017   Page 6 / 10 

https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

## Approvals 

|EAC|||RU C-<br>DE.A*30.B.01082|
|---|---|---|---|
|||||
|PRS||http://www.prs.pl/|TE/2108/880590/16|
|Accessories||||
|Accessories||||
|End block||||
|End clamp - CLIPFIX 35 - 3022218||||
||Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, width: 9.5 mm, color:|||
|yy|gray|||



## Accessories 

Accessories 

End block 

End clamp - CLIPFIX 35 - 3022218 

## Insulating sleeve 

Insulating sleeve - MPS-IH WH - 0201663 

Insulating sleeve, Color: white 

Insulating sleeve - MPS-IH RD - 0201676 

Insulating sleeve, Color: red 

Insulating sleeve - MPS-IH BU - 0201689 

Insulating sleeve, Color: blue 

01/20/2017   Page 7 / 10 

https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

## Accessories 

Insulating sleeve - MPS-IH YE - 0201692 

Insulating sleeve, Color: yellow 

Insulating sleeve - MPS-IH GN - 0201702 

Insulating sleeve, Color: green 

Insulating sleeve - MPS-IH GY - 0201728 

Insulating sleeve, Color: gray 

Insulating sleeve - MPS-IH BK - 0201731 

Insulating sleeve, Color: black 

## Jumper 

Plug-in bridge - FBS 2-6 - 3030336 

Plug-in bridge, Pitch: 6.2 mm, Length: 23 mm, Width: 10.7 mm, Number of positions: 2, Color: red 

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https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 

## Accessories 

Plug-in bridge - FBS 2-6 BU - 3036932 

Plug-in bridge, Pitch: 6.2 mm, Number of positions: 2, Color: blue 

Plug-in bridge - FBS 2-6 GY - 3032237 

Plug-in bridge, Pitch: 6.2 mm, Number of positions: 2, Color: gray 

## Terminal marking 

Zack marker strip - ZB 5 :UNBEDRUCKT - 1050004 

Zack marker strip, Strip, white, unlabeled, can be labeled with: CMS-P1-PLOTTER, PLOTMARK, Mounting type: Snap into tall marker groove, for terminal block width: 5.2 mm, Lettering field: 5.1 x 10.5 mm 

Zack marker strip - ZB 15:UNBEDRUCKT - 0811972 

Zack marker strip, Strip, white, unlabeled, can be labeled with: CMS-P1-PLOTTER, PLOTMARK, Mounting type: Snap into tall marker groove, for terminal block width: 15.2 mm, Lettering field: 10.5 x 15.1 mm 

## Test plug terminal block 

Test plugs - MPS-MT - 0201744 

Test plugs, with solder connection up to 1 mm² conductor cross section, Color: silver 

Spare parts 

01/20/2017   Page 9 / 10 

https://www.phoenixcontact.com/gb/products/2903278 

## Relay Module - RIF-4-RPT-LDP-24DC/3X21 - 2903278 Accessories 

Relay socket - RIF-4-BPT/3X21 - 2900961 

RIF-4... relay base, for high-power relay with 2 or 3 PDTs or 3 N/O contacts, push-in connection, plug-in option for input/suppressor modules, for mounting on NS 35/7,5 

Single relay - REL-PR3- 24DC/3X21 - 2903702 

Plug-in high-power relay with power contacts, 3 PDTs, coil voltage: 24 V DC 

Plug-in module - RIF-LDP-12-24 DC - 2900939 

Plug-in module, for mounting on RIF-1, RIF-2, RIF-3, and RIF-4, with freewheeling diode and yellow LED, polarity: A1+, A2-, input voltage: 12 - 24 V DC ±20% ~~BO~~ Retaining bracket - RIF-RH-4 - 2900956 Relay retaining bracket, with holder for marking material, suitable for RIF-4 relay base, for high-power relay 

Phoenix Contact 2017 © - all rights reserved http://www.phoenixcontact.com 

01/20/2017   Page 10 / 10

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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