MRA112 NKK Switches, MRA112 Datasheet - Page 5

• Manufacturer Part Number: MRA112
• Description: SW ROTARY SP 2-12POS PC
• Manufacturer: NKK Switches
• Series: MRr
• Type: Rotaryr

Specifications of MRA112

• Number Of Positions: 2 ~ 12
• Number Of Decks: 1
• Number Of Poles Per Deck: 1
• Circuit Per Deck: SP12T
• Contact Rating @ Voltage: 0.25A @ 125VAC
• Actuator Type: Flatted (3.17mm dia)
• Mounting Type: Panel, PCB Through Hole
• Termination Style: PC Pin
• Orientation: Vertical
• Angle Of Throw: 30°
• Body Style: Miniature
• Current, Rating: 250 mA
• Dielectric Strength: 1000 VAC
• Mounting Hole Size: 0.25 "
• Number Of Poles: 1
• Termination: Solder
• Voltage, Rating: 125 VAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MRA112-RO; MRA112-RO

NKK Switches
4
5
3
6
MRA • PC Terminals
MRF • PC Terminals
MRK • PC Terminals
2
A
Single Pole
7
MRA112
MRK112
MRA112
1
MRF403
8
12
9
11
10
.039
(1.0) Dia Typ
(3.0) Typ
.118
(9.5) Dia
.374
Keyway
(3.15) Dia
.124
Keyway
(3.15) Dia
.124
4
5
3
Double Pole
MRK devices are designed to be panel mounted. Installation without panel mounting will affect reliability.
6
(0.8)
.031
2
MRA206
A
1
1
(14.0) Dia
(16.0) Dia
.630
B
.551
2
6
3
5
4
.039
(1.0) Dia Typ
(3.0) Typ
.118
Half-Inch Diameter Process Sealed Rotaries
(9.5) Dia
.374
(2.3)
.091
(2.3)
.091
M6 P0.75
(4.2)
.165
TYPICAL SWITCH DIMENSIONS
M6 P0.75
1
(10.0)
2
.394
3
3
(10.0)
.394
C
Four Pole
.039
(8.2)
.323
MRA403
2
A
(1.0)
1
Cover
1
B
2
D
(5.5)
.217
3
3
2
(5.0)
.197
1
.039
(1.0) Dia Typ
FOOTPRINTS
(3.0) Typ
.118
(3.5)
.138
(10.1)
.398
(9.5) Dia
.374
(0.25) Typ
.010
(0.5) Typ
.020
(12.0) Dia
.472
(17.0)
.669
(3.5)
.138
(0.25) Typ
.010
(0.5) Typ
.020
4
(12.0) Dia
.472
5
6
.236
(6.0)
3
Single Pole
(10.0)
.394
MRK112
2
MRF112
1
7
A
(12.6) Dia
.496
1 Pole
(0.8) Dia Typ
.031
(0.8) Dia Typ
.031
8
12
9
11
10
(12.0) Dia
.472
(12.6) Dia
.496
1 Pole
A
1 Pole
(9.5) Dia
.374
A
4
5
(3.0) Dia
.118
6
Double Pole
3
MRK206
MRF206
2
B
1
(12.6) Dia
.496
A
2 Pole
1
(0.8) Dia Typ
.031
2
(12.6) Dia
.496
3
6
2 Pole
5
4
B
(12.0) Dia
.472
2 Pole
(9.5) Dia
.374
Series MR
A A
B
(3.0) Dia
.118
C
1
2
3
Four Pole
3
MRK403
MRF403
2
(12.6) Dia
.496
(12.6) Dia
.496
1
B
4 Pole
4 Pole
A
4 Pole
(9.5) Dia
.374
B
A
1
D
(0.8) Dia Typ
.031
2
A A
B
3
3
2
D
C
1
(12.0) Dia
.472
(3.0) Dia
.118