https://www.phoenixcontact.com/us/products/2906213
Single relay - REL-MR-24DC/21-21/ATEX - 2906213
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Plug-in miniature power relay, with power contact, 2 PDTs, 24 V DC input voltage, UL/cUL: approved for use in
Ex Zone Class 1 Div 2 and ATEX (Zone 2)
Key Commercial Data
Packing unit
1 STK
Minimum order quantity
10 STK
Weight per Piece (excluding packing)
80.000 g
Custom tariff number
85364190
Country of origin
Austria
Technical data
Dimensions
Width
12.7 mm
Height
29 mm
Depth
15.7 mm
Ambient conditions
Ambient temperature (operation)
-40 °C ... 85 °C
Ambient temperature (storage/transport)
-40 °C ... 85 °C
Coil side
Nominal input voltage UN
24 V DC
Typical input current at UN
17 mA
Typical response time
7 ms
Typical release time
3 ms
Coil resistance
1440 Ω ±10 % (at 20 °C)
Power dissipation for nominal condition
0.41 W
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https://www.phoenixcontact.com/us/products/2906213
Single relay - REL-MR-24DC/21-21/ATEX - 2906213
Technical data
Contact side
Contact type
2 PDT
Type of switch contact
Single contact
Contact material
AgNi
Maximum switching voltage
250 V AC/DC
Minimum switching voltage
5 V (at 10 mA)
Min. switching current
10 mA (At 5 V)
Maximum inrush current
25 A (20 ms)
Limiting continuous current
8A
Interrupting rating (ohmic load) max.
190 W (at 24 V DC)
85 W (at 48 V DC)
60 W (at 60 V DC)
44 W (at 110 V DC)
60 W (at 220 V DC)
2000 VA (for 250 V AC)
Switching capacity in acc. with DIN VDE 0660/IEC 60947
2 A (at 24 V, DC13)
0.2 A (at 250 V, DC13)
3 A (at 24 V, AC15)
3 A (at 120 V, AC15)
3 A (at 250 V, AC15)
General
Test voltage relay winding/relay contact
5 kV AC (50 Hz, 1 min.)
Test voltage relay contact/relay contact
2.5 kV AC (50 Hz, 1 min.)
Operating mode
100% operating factor
Degree of protection
RT III
Mechanical service life
3 x 10 cycles
Standards/regulations
IEC 60664
7
EN 50178
IEC 62103
Rated surge voltage/insulation
Basic insulation
Degree of pollution
3
Overvoltage category
III
Mounting position
any
Assembly instructions
Can be aligned without spacing (> 70 °C ≥ 2.5 mm)
Standards and Regulations
Standards/regulations
IEC 60664
EN 50178
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https://www.phoenixcontact.com/us/products/2906213
Single relay - REL-MR-24DC/21-21/ATEX - 2906213
Technical data
Standards and Regulations
IEC 62103
Rated surge voltage/insulation
Basic insulation
Degree of pollution
3
Overvoltage category
III
Drawings
Drilling diagram
1,3
5
Diagram
5
1,28
2,8
2,6
Coil voltage U/UN
2,4
2,2
1
2
1,8
1,6
2
1,4
1,2
2
1
0,8
1
0,6
0
10
20
30
40
Basic pitch 2.5 mm
50
60
70
80
90
100
Ambient temperature [°C]
1 DC coils
2 AC coils
Operating voltage range
Diagram
Diagram
10
7
10
6
10
5
10
4
20
1
6
4
2
4
1
Cycles
Switching current [A]
10
2
3
1
0,5
2
0,3
0,2
0,1
10
1
2
3
4
Interrupting rating
20
30
50
70
100
Switching voltage [V]
AC, ohmic load
DC, ohmic load, contacts in series
DC, ohmic load
DC, L/R = 40 ms
200
300
0 1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
Switching current [A]
1 250 V AC, ohmic load (DC coils)
2 250 V AC, ohmic load (AC coils)
Electrical service life
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https://www.phoenixcontact.com/us/products/2906213
Single relay - REL-MR-24DC/21-21/ATEX - 2906213
Diagram
Dimensional drawing
29
12,7
1
15,7
0,8
0,7
0,6
3,6
Reduction factor
0,9
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 with various cos phi
Classifications
eCl@ss
eCl@ss 4.0
27371104
eCl@ss 4.1
27371104
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
ETIM 2.0
EC001437
ETIM 3.0
EC001437
ETIM 4.0
EC001437
ETIM 5.0
EC001437
UNSPSC
UNSPSC 6.01
30211916
UNSPSC 7.0901
39121515
UNSPSC 11
39121515
UNSPSC 12.01
39121515
UNSPSC 13.2
39121515
Approvals
Approvals
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https://www.phoenixcontact.com/us/products/2906213
Single relay - REL-MR-24DC/21-21/ATEX - 2906213
Approvals
Approvals
UL Recognized / cUL Recognized / cULus Recognized
Ex Approvals
Approval details
UL Recognized
cUL Recognized
cULus Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 228652
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 228652
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