https://www.phoenixcontact.com/us/products/2961228
Single relay - REL-MR-110DC/21-21AU - 2961228
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Plug-in miniature power relay, with multi-layer gold contact, 2 PDTs, input voltage 110 V DC
Product Features
■
RT III-proof (wash-proof)
Key Commercial Data
Packing unit
1 pc
Minimum order quantity
10 pc
Weight per Piece (excluding packing)
14.97 g
Custom tariff number
85364900
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
110 V DC
Typical input current at UN
4.1 mA
Typical response time
7 ms
Typical release time
3 ms
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https://www.phoenixcontact.com/us/products/2961228
Single relay - REL-MR-110DC/21-21AU - 2961228
Technical data
Coil side
Coil resistance
26600 Ω ±15 % (at 20 °C)
Power dissipation for nominal condition
0.45 W
Contact side
Contact type
2 PDT
Contact material
AgNi, hard gold-plated
Maximum switching voltage
30 V AC
36 V DC
Minimum switching voltage
100 mV (at 10 mA)
Min. switching current
1 mA (at 24 V)
Maximum inrush current
50 mA
Limiting continuous current
50 mA
Interrupting rating (ohmic load) max.
1.2 W (at 24 V DC)
Note
the following values are applicable if a gold layer is destroyed
Maximum switching voltage
250 V
Minimum switching voltage
5 V (at 10 mA)
Limiting continuous current
8A
Maximum inrush current
15 A (300 ms)
Min. switching current
10 mA (At 5 V)
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 110 V, DC13)
0.2 A (at 250 V, DC13)
2 A (at 24 V, AC15)
2 A (at 120 V, AC15)
2 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 (wash-proof)
Mechanical service life
3 x 10 cycles
7
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https://www.phoenixcontact.com/us/products/2961228
Single relay - REL-MR-110DC/21-21AU - 2961228
Technical data
General
Standards/regulations
IEC 60664
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
Connection in acc. with standard
CUL
Standards/regulations
IEC 60664
EN 50178
IEC 62103
Rated surge voltage/insulation
Basic insulation
Degree of pollution
3
Overvoltage category
III
Classifications
eCl@ss
eCl@ss 4.0
27371104
eCl@ss 4.1
27371104
eCl@ss 5.0
27371001
eCl@ss 5.1
27371001
eCl@ss 6.0
27371001
eCl@ss 7.0
27371001
eCl@ss 8.0
27371601
eCl@ss 9.0
27371601
ETIM
ETIM 2.0
EC000196
ETIM 3.0
EC000196
ETIM 4.0
EC000196
ETIM 5.0
EC001437
UNSPSC
UNSPSC 6.01
30211916
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https://www.phoenixcontact.com/us/products/2961228
Single relay - REL-MR-110DC/21-21AU - 2961228
Classifications
UNSPSC
UNSPSC 7.0901
39121515
UNSPSC 11
39121515
UNSPSC 12.01
39121515
UNSPSC 13.2
39121515
Approvals
Approvals
Approvals
UL Recognized / VDE Gutachten mit Fertigungsüberwachung / cUL Recognized / GL / EAC / EAC / UL Recognized / cUL Recognized / cULus
Recognized
Ex Approvals
Approvals submitted
Approval details
UL Recognized
VDE Gutachten mit Fertigungsüberwachung
cUL Recognized
GL
EAC
EAC
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https://www.phoenixcontact.com/us/products/2961228
Single relay - REL-MR-110DC/21-21AU - 2961228
Approvals
UL Recognized
cUL Recognized
cULus Recognized
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
a = pitch division 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/2961228
Single relay - REL-MR-110DC/21-21AU - 2961228
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
Circuit diagram
A1
12
11
14
A2
22
21
24
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