Datasheet

Series MR
Half-Inch Diameter Process Sealed Rotaries
www.nkk.com
G20
Indicators
AccessoriesSupplement
Tactiles
Keylocks
Pushbuttons
Illuminated PB
Slides
Programmable
Rockers
Touch Tilt
Toggles
G
Rotaries
TYPICAL SWITCH DIMENSIONS
Single Pole
MRA112
MRA • PC Terminals 1 Pole 2 Pole 4 Pole
MRF • PC Terminals 1 Pole 2 Pole 4 Pole
MRA112
MRK112
MRK devices are designed to be panel mounted. Installation without panel mounting will affect reliability.
MRK • PC Terminals 1 Pole 2 Pole 4 Pole
MRF403
FOOTPRINTS
Double Pole
MRA206
Four Pole
MRA403
Single Pole
MRF112
MRK112
Double Pole
MRF206
MRK206
Four Pole
MRF403
MRK403
Keyway
(3.15) Dia
.124
(16.0) Dia
.630
(10.0)
.394
(10.0)
.394
(17.0)
.669
M6 P0.75
(5.0)
.197
(1.0)
.039
(2.3)
.091
(6.0)
.236
(0.8) Dia Typ
.031
A
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
3
0
°
T
y
p
(9.5) Dia
.374
(3.0) Dia
.118
AA
1
2
3
4
5
6
1
2
3
4
5
6
3
0
°
T
y
p
(9.5) Dia
.374
(3.0) Dia
.118
B
AA
1
2
3
1
2
3
1
2
3
1
2
3
3
0
°
T
y
p
(9.5) Dia
.374
(3.0) Dia
.118
B
D
C
(4.2)
.165
(8.2)
.323
(3.5)
.138
(0.5) Typ
.020
(12.0) Dia
.472
(0.25) Typ
.010
Cover
B
3
2
1
C
3
2
1
A
3
2
1
D
3
2
1
(12.6) Dia
.496
1
5
°
T
y
p
1
5
°
3
0
°
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
(14.0) Dia
.551
(0.8)
.031
B
6
5
4
3
2
1
A
6
5
4
3
2
1
(12.6) Dia
.496
1
5
°
T
y
p
1
5
°
3
0
°
(12.6) Dia
.496
7
6
5
4
3
2
1
A
1
2
1
1
1
0
9
8
1
5
°
T
y
p
1
5
°
3
0
°
(12.6) Dia
.496
7
6
5
4
3
2
1
A
1
2
1
1
1
0
9
8
1
5
°
T
y
p
1
5
°
3
0
°
(12.6) Dia
.496
6
5
4
3
2
1
A
6
5
4
3
2
1
B
1
5
°
3
0
°
1
5
°
T
y
p
1
5
°
T
y
p
(12.6) Dia
.496
3
2
1
C
3
2
1
A
3
2
1
D
3
2
1
B
1
5
°
T
y
p
(9.5) Dia
.374
(3.0) Typ
.118
(1.0) Dia Typ
.039
A
1
2
3
1
2
3
1
2
3
1
2
3
B
D
C
9
0
°
3
0
°
T
y
p
(9.5) Dia
.374
(3.0) Typ
.118
(1.0) Dia Typ
.039
A
1
2
3
4
5
6
1
2
3
4
5
6
B
3
0
°
T
y
p
1
8
0
°
(9.5) Dia
.374
(3.0) Typ
.118
(1.0) Dia Typ
.039
A
1
2
3
4
5
6
7
8
9
10
11
12
3
0
°
T
y
p
A
1
2
3
C
1
2
3
B
1
2
3
D
1
2
3
(12.0) Dia
.472
(0.8) Dia Typ
.031
1
5
°
T
y
p
1
5
°
T
y
p
(0.8) Dia Typ
.031
(12.0) Dia
.472
A
1
2
3
4
5
6
B
2
3
4
5
6
1
1
5
°
T
y
p
3
0
°
T
y
p
(0.8) Dia Typ
.031
(12.0) Dia
.472
A
1
2
3
4
5
6
7
8
9
10
11
12
3
0
°
T
y
p
1
5
°
T
y
p
(10.0)
.394
(10.1)
.398
M6 P0.75
(2.28)
.090
(5.5)
.217
(3.5)
.138
(0.5) Typ
.020
(12.0) Dia
.472
(0.25) Typ
.010
Keyway
(3.1) Dia
.122