https://www.phoenixcontact.com/pi/products/2903706
Single relay - REL-PR3- 24DC/3X1 - 2903706
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Plug-in high-power relay with power contacts, 3 N/O contacts, coil voltage: 24 V DC
Key Commercial Data
Packing unit
1 pc
GTIN
GTIN
4046356759182
Technical data
Dimensions
Width
38.6 mm
Height
36.1 mm
Depth
45.5 mm
Ambient conditions
Ambient temperature (operation)
-40 °C ... 70 °C
Ambient temperature (storage/transport)
-40 °C ... 85 °C
Degree of protection
RT I
Coil side
Nominal input voltage UN
24 V DC
Input voltage range in reference to UN
see diagram
Typical input current at UN
70 mA
Typical response time
20 ms
Typical release time
15 ms
Power dissipation for nominal condition
1.68 W
Contact side
Contact type
3 N/O contacts
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https://www.phoenixcontact.com/pi/products/2903706
Single relay - REL-PR3- 24DC/3X1 - 2903706
Technical data
Contact side
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 contacts)
Limiting continuous current
16 A
Interrupting rating (ohmic load) max.
384 W (at 24 V DC)
720 W (at 48 V DC)
600 W (at 60 V DC)
660 W (at 110 V DC)
183 W (at 220 V DC)
4000 VA (for 250 V AC)
4000 VA (at 440 V AC)
Switching capacity
1 A (at 24 V, DC13)
1 A (at 120 V, DC13)
1 A (at 220 V, DC13)
1.5 A (at 24 V, AC15)
1.5 A (at 120 V, AC15)
1.5 A (at 240 V, AC15)
3-phase motor load
1500 W (at 400 V, AC3)
Motor load according to UL 508
1/3 HP, 120 V AC (N/O contact)
1/2 HP, 240 V AC (N/O contact)
General
Test voltage
2.5 kVrms (50 Hz, 1 min., winding/contact)
2.5 kVrms (50 Hz, 1 min., contact/contact)
2.5 kVrms (50 Hz, 1 min., N/O contact / N/O contact)
Operating mode
100% operating factor
Mechanical service life
approx. 10 cycles
Service life, electrical
see diagram
Mounting position
any
7
Connection data
Connection method
Plug connection
Standards and Regulations
Connection in acc. with standard
CSA
Standards/regulations
IEC 60664
IEC 61810
Rated insulation voltage
250 V AC
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https://www.phoenixcontact.com/pi/products/2903706
Single relay - REL-PR3- 24DC/3X1 - 2903706
Technical data
Standards and Regulations
Rated surge voltage
4 kV
Insulation
Basic insulation
Pollution degree
3
Overvoltage category
III
Conformance/approvals
Designation
Corrosive gas test
Identification
ISA-S71.04. G3 Harsh Group
EN 60068-2-60
Environmental Product Compliance
China RoHS
Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values
Drawings
Diagram
Circuit diagram
20
Switching current [A]
10
11
14
21
24
31
34
A1
5
2
!
1
A2
0,5
0,3
0,2
0,1
10
20
30
50
AC, ohmic load
DC, ohmic load
DC, L/R = 40 ms
70 100
200 300
Switching voltage [V]
500
Interrupting rating
Diagram
Diagram
1,8
10
7
Cycles
Coil voltage U/UN
1,6
1,4
10
6
1,2
10
1,0
5
0,8
0,6
10
0
10
DC coils
AC coils
Operating voltage range
20
30
40
50
60
70
Ambient temperature [°C]
80
4
0
1
2
3
Switching capacity [kVA]
4
! 250 V AC, ohmic load
Electrical service life
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https://www.phoenixcontact.com/pi/products/2903706
Single relay - REL-PR3- 24DC/3X1 - 2903706
Diagram
1
Reduction factor
0,9
0,8
0,7
0,6
0,5
0,4
0,3
1
0,9
0,8
0,7
0,6
0,5
0,4
0,3
0,2
COS j
Service life reduction factor
Classifications
eCl@ss
eCl@ss 10.0.1
27371601
eCl@ss 11.0
27371601
eCl@ss 4.0
27371100
eCl@ss 4.1
27371100
eCl@ss 5.0
27371600
eCl@ss 5.1
27371600
eCl@ss 6.0
27371600
eCl@ss 7.0
27371601
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
ETIM 7.0
EC001437
UNSPSC
UNSPSC 6.01
30211916
UNSPSC 7.0901
39121515
UNSPSC 11
39121515
UNSPSC 12.01
39121515
UNSPSC 13.2
39122334
UNSPSC 18.0
39122334
UNSPSC 19.0
39122334
UNSPSC 20.0
39122334
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https://www.phoenixcontact.com/pi/products/2903706
Single relay - REL-PR3- 24DC/3X1 - 2903706
Classifications
UNSPSC
UNSPSC 21.0
39122334
Approvals
Approvals
Approvals
CSA / UL Recognized / cUL Recognized / EAC / cULus Recognized
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
EAC
TR_TS_D_00573_c
cULus Recognized
Accessories
Additional products
03/12/2021 Page 5 / 6
https://www.phoenixcontact.com/pi/products/2903706
Single relay - REL-PR3- 24DC/3X1 - 2903706
Accessories
Relay base - RIF-4-BPT/3X21 - 2900961
Relay base RIF-4..., for high-power relay with 2 or 3 changeover contacts or 3 N/O contacts, Push-in connection,
plug-in option for input/interference suppression 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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http://www.phoenixcontact.com
PHOENIX CONTACT GmbH & Co. KG
Flachsmarktstr. 8
32825 Blomberg
Germany
Tel. +49 5235 300
Fax +49 5235 3 41200
http://www.phoenixcontact.com
03/12/2021 Page 6 / 6
