https://www.phoenixcontact.com/pi/products/2908824
Single relay - REL-MR-110DC/21-21/EX - 2908824
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Plug-in miniature power relay, RT III sealed with power contacts, 2 changeover contacts, input voltage:
110 V DC, in connection with the corresponding PLC base approved in accordance with ATEX/IECEx
(zone 2) and Ex zone class I, div. 2.
Your advantages
Switching current of up to 8 A
RT III-proof (wash-proof)
Key Commercial Data
Packing unit
Minimum order quantity
GTIN
GTIN
4055626345185
10 pc
10 pc
Technical data
Dimensions
Width
Height
Depth
12.7 mm
29 mm
15.7 mm
Ambient conditions
Ambient temperature (operation)
Ambient temperature (storage/transport)
-40 °C ... 85 °C
-40 °C ... 85 °C
Coil side
Nominal input voltage U
N
Typical input current at U
N
Typical response time
Typical release time
Coil resistance
110 V DC
4.1 mA
7 ms
3 ms
26600 Ω ±15 % (at 20 °C)
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https://www.phoenixcontact.com/pi/products/2908824
Single relay - REL-MR-110DC/21-21/EX - 2908824
Technical data
Coil side
Power dissipation for nominal condition
0.45 W
Contact side
Contact type
Type of switch contact
Contact material
Maximum switching voltage
Minimum switching voltage
Min. switching current
Maximum inrush current
Limiting continuous current
Interrupting rating (ohmic load) max.
2 PDT
Single contact
AgNi
250 V AC/DC
5 V (at 10 mA)
10 mA (At 5 V)
25 A (20 ms)
8A
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)
Switching capacity according to IEC 60947-5-1
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
Test voltage relay contact/relay contact
Operating mode
Degree of protection
Mechanical service life
Mounting position
Assembly instructions
5 kV AC (50 Hz, 1 min.)
2.5 kV AC (50 Hz, 1 min.)
100% operating factor
RT III (wash-proof)
3x 10 cycles
any
Can be aligned without spacing (> 70 °C ≥ 2.5 mm)
7
Standards and Regulations
Standards/regulations
IEC 60664
EN 50178
EN 61810-1
Insulation
Basic insulation
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https://www.phoenixcontact.com/pi/products/2908824
Single relay - REL-MR-110DC/21-21/EX - 2908824
Technical data
Standards and Regulations
Degree of pollution
Overvoltage category
3
III
Environmental Product Compliance
China RoHS
Environmentally Friendly Use Period = 50
For details about hazardous substances go to tab “Downloads”,
Category “Manufacturer's declaration”
Drawings
Drilling diagram
1,3
5
5
1,28
2,8
2,6
2,4
Diagram
Coil voltage U/U
N
2,2
2
1,8
1,6
1,4
1,2
1
0,8
0,6
0
10
20
30
40
50
60
70
1
2
2
1
80
90
100
a = pitch division 2.5 mm
1
DC coils
2
AC coils
Ambient temperature [°C]
Operating voltage range
Diagram
10
20
10
7
Diagram
Switching current [A]
Cycles
6
4
2
1
0,5
0,3
0,2
0,1
10
20
30
50
70
100
1
4
3
2
10
6
1
10
5
2
200
300
10
4
0 1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
1
2
3
4
Switching voltage [V]
AC, ohmic load
DC, ohmic load, contacts in series
DC, ohmic load
DC, L/R = 40 ms
Switching current [A]
1
250 V AC, ohmic load (DC coils)
2
250 V AC, ohmic load (AC coils)
Interrupting rating
Electrical service life
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https://www.phoenixcontact.com/pi/products/2908824
Single relay - REL-MR-110DC/21-21/EX - 2908824
Diagram
Dimensional drawing
29
1
0,9
12,7
Reduction factor
0,8
0,7
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
Circuit diagram
A1
A2
12
22
11
21
3,6
0,6
15,7
14
24
Approvals
Approvals
Approvals
UL Recognized / cUL Recognized / VDE Zeichengenehmigung / EAC / cULus Recognized
Ex Approvals
Approval details
UL Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 228652
cUL Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 228652
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https://www.phoenixcontact.com/pi/products/2908824
Single relay - REL-MR-110DC/21-21/EX - 2908824
Approvals
VDE Zeichengenehmigung
http://www2.vde.com/de/Institut/Online-Service/
VDE-gepruefteProdukte/Seiten/Online-Suche.aspx
40007758
EAC
RU C-
DE.A*30.B.01082
cULus Recognized
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32825 Blomberg
Germany
Tel. +49 5235 300
Fax +49 5235 3 41200
http://www.phoenixcontact.com
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