# Power Relay, 3PDT, 24 VAC, 16 A, REL-PR3 Series, Socket
**URL**: https://novapart.co/products/2903703/power-relay-3pdt-24-vac-16-a-rel-pr3-series-socket
**SKU**: 2903703
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Power Relays
**Price**: €12.8800
**Stock**: 10+
**Lead Time**: 36 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Coil Type | - |
| Coil Voltage | 24VAC |
| Product Range | REL-PR3 Series |
| Relay Mounting | Socket |
| Coil Resistance | 75ohm |
| Contact Current | 16A |
| Relay Terminals | Plug In |
| Contact Material | Silver Nickel |
| Contact Voltage Vac | 440V |
| Contact Voltage Vdc | 250V |
| Contact Configuration | 3PDT |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3256270/)
https://www.phoenixcontact.com/in/products/2903703
## Single relay - REL-PR3- 24AC/3X21 - 2903703
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)
Plug-in high-power relay with power contacts, 3 PDTs, coil voltage: 24 V AC
## Key Commercial Data
Packing unit 1 pc ~~a Ge~~ GTIN ~~a a~~ GTIN ~~Qe~~ 4046356759151 ~~a~~ Weight per Piece (excluding packing) 84.300 g Custom tariff number 85364190 ~~a a~~ Country of origin ~~G~~ Poland
## Technical data
## Dimensions
|Width|38.6 mm|
|---|---|
|Height|36.1 mm|
|Depth|45.5 mm|
|Ambient conditions||
|Ambient temperature (operation)|-40 °C ... 55 °C|
|Ambient temperature (storage/transport)|-40 °C ... 85 °C|
|Coil side||
|Nominal input voltage UN|24 V AC|
|Mains frequency|50/60 Hz|
|Typical input current at UN|116 mA|
|Typical response time|5 ms ... 25 ms (depending on phase relation)|
|Typical release time range|5 ms ... 20 ms (depending on phase relation)|
|Coil resistance|75 Ω ±15 %|
|Power dissipation for nominal condition|2.78 W|
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https://www.phoenixcontact.com/in/products/2903703
## Single relay - REL-PR3- 24AC/3X21 - 2903703
## Technical data
## Contact side
|Contact side||
|---|---|
|Contact type|3 PDTs|
|Type of switch contact|Single contact|
|Contact material|AgNi|
|Maximum switching voltage|440 V AC|
||250 V DC|
|Minimum switching voltage|10 V (At 24 mA)|
|Min. switching current|10 mA (at 24 V)|
|Maximum inrush current|50 A (20 ms, N/O contact)|
|Limiting continuous current|16 A|
|Interrupting rating (ohmic load) max.|384 W (at 24 V DC)|
||124 W (at 48 V DC)|
||108 W (at 60 V DC)|
||52 W (at 110 V DC)|
||70 W (at 220 V DC)|
||4000 VA (for 250 V AC)|
||4000 VA (at 440 V AC)|
|Switching capacity according to IEC 60947-5-1|2 A (24 V, DC13)|
||1.5 A (230 V, AC15)|
|3-phase motor load|1500 W (at 400 V, AC3)|
|Motor load according to UL 508|1/3 HP, 120 V AC (single-phase AC motor)|
||1/2 HP, 240 V AC (single-phase AC motor)|
||1/2 HP, 240 V AC (three-phase induction motor)|
## General
Note The outputs are not suitable for switching different outer conductors. Do not use to separate SELV / PELV circuits from other circuits, because safe isolation is not guaranteed. 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 approx. 107 cycles Mounting position any Standards and Regulations Connection in acc. with standard CSA Standards/regulations IEC 60664 IEC 61810 Rated insulation voltage 250 V AC Rated surge voltage 4 kV Insulation Basic insulation Degree of pollution 3 ~~=>~~
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https://www.phoenixcontact.com/in/products/2903703
## Single relay - REL-PR3- 24AC/3X21 - 2903703
## Technical data
## Standards and Regulations
Overvoltage category
**==> picture [487 x 67] intentionally omitted <==**
**----- Start of picture text -----**
|||
|---|---|
|Overvoltage category|III|
|Environmental Product Compliance|
|China RoHS|Environmentally Friendly Use Period = 50|
|For details about hazardous substances go to tab “Downloads”,|
|Category “Manufacturer's declaration”|
**----- End of picture text -----**
## Environmental Product Compliance
## Drawings
## Circuit diagram
## Diagram
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**----- Start of picture text -----**
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| 21 24 22 | »9 1,2 ~ | [| f ft ft ft ft
| ee ee i a a a
A2 1,0
ee 31 34 32 | cs A
| ee gf}ef ef
A oO er 0,8 _———ai eeee ee|_| ee||
a
0,6
0 10 20 30 40 50 60 70 80
Ambient temperature [°C] —— —
@ DC coils
@ AC coils
Operating voltage range
Diagram Diagram
107
20
10
5 106
2
Ne 1 a ee
105
0,5 [eeDp |STa eS A Se| cs Sc Se |
0,3 [| [| | titty os fy a a |
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10 20 30 50 70 100 200 300 500 0 1 2 3 4
N
Cycles
**----- End of picture text -----**
Interrupting rating
Electrical service life
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https://www.phoenixcontact.com/in/products/2903703
## Single relay - REL-PR3- 24AC/3X21 - 2903703
## Diagram
**==> picture [164 x 97] intentionally omitted <==**
**----- Start of picture text -----**
1
0,9 a ee ee
0,8 | | PAR ft
0,7
0,6
0,50,4 | | | | | | IN
0,3 1 | 0,9 | 0,8 | 0,7 | 0,6 [| 0,5 | 0,4 [| | 0,3 Ss 0,2
COS
**----- End of picture text -----**
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
CSA / UL Recognized / cUL Recognized / EAC / cULus Recognized
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https://www.phoenixcontact.com/in/products/2903703
## Single relay - REL-PR3- 24AC/3X21 - 2903703
## Approvals
Ex Approvals
## Approval details
CSA http://www.csagroup.org/services-industries/product-listing/ 2554095 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 ~~oe~~ RU C- EAC DE.A*30.B.01082 cULus Recognized ~~oo~~ Accessories Additional products
Relay base - 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
Relay base - RIF-4-BSC/3X21 - 2900960
RIF-4... relay base, for high-power relay with 2 or 3 changeover contacts or 3 N/O contacts, screw connection, plug-in option for input/interference suppression modules, for mounting on NS 35/7,5
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https://www.phoenixcontact.com/in/products/2903703
Phoenix Contact 2018 © - all rights reserved http://www.phoenixcontact.com
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## Links
- [View this product on Novapart](https://novapart.co/products/2903703/power-relay-3pdt-24-vac-16-a-rel-pr3-series-socket)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/rel-pr3-24ac-3x21/power-relay-3pdt-16a-440a/dp/3256270)
---
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