MRA112 NKK Switches, MRA112 Datasheet - Page 6

• 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
Material:
Polyacetal
Color:
Black
only
Color Codes:
Without
Keyway
AT513M
Metric Hexagon Nut
Material:
Brass, nickel plating
1 for MRA; 1 for MRK
AT543
Support Bracket for MRK
Material:
Steel with tin plating
A
(9.0)
.354
AT433
Plain Black
(6.35) Dia
.250
.020
(0.5)
(2.2) Dia
.087
M6 P0.75
(13.0)
.512
(8.0)
.059
.315
(1.5)
A
Nonsealed Panel
(19.0) Dia
(11.0) Dia
.433
.748
PANEL CUTOUTS & MAXIMUM EFFECTIVE PANEL THICKNESS
.256
(6.5)
Black
(3.8) Typ
.150
AT507M
Metric Locking Ring
Material:
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
With
Keyway
(9.5)
.374
(18.0)
.709
Half-Inch Diameter Process Sealed Rotaries
.079
.067
(2.0)
(14.0)
(1.7)
.551
B
(6.35) Dia
.250
STANDARD MOUNTING HARDWARE
Base Material:
Polyester
Base Color:
Black
Polyamide Tip
Colors:
A, B, C, E, F, G, H
White
B
(5.5)
.217
OPTIONAL SUPPORT BRACKET
(18.0)
.709
(14.9)
AT4103 Small
Color Tipped
.587
(0.8) Typ
.031
(0.5) Typ
.020
(6.0) Dia
.236
.024
(0.8)
.031
(0.6)
(12.0) Dia
.472
.220
(5.6)
C
Red
.020
(0.5)
KNOBS
(14.3)
.563
Sealed Panel
(5.4)
.213
(17.2)
.677
AT509
Lockwasher
Material:
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
E
(16.0) Dia
.630
.244
(9.5) Dia
.374
(6.2) Dia
Yellow
.047
(1.2) Dia Typ
(17.5)
.689
(9.5)
.374
(6.4) Dia
.252
With Standard Hardware on Nonsealed Panel:
MRA .067” (1.7mm) MRK .087” (2.2mm)
Without Locking Ring on Nonsealed Panel:
MRA .098” (2.5mm) MRK .118” (3.0mm)
With Standard Hardware on Sealed Panel:
MRK .106” (2.7mm)
F
.020
(0.5)
Base Material:
Polyester
Base Color:
Black
Polyamide Tip
Colors:
A, B, C, E, F, G, H
(10.2) Dia
.402
C
Green
AT4104 Large
Color Tipped
G
Series MR
AT535
Rubber Ring
Material:
Nitrile butadiene rubber
1 for MRK
.020
(0.5)
Blue
A support bracket
is needed when
the MRK is mounted
only to a PC board
and does not have
the bushing through
a panel.
(15.8)
.622
(6.2) Dia
.244
(18.0) Dia
.709
(11.0) Dia
.433
(9.4) Dia
.370
H
(1.3)
.051
Gray
(9.5)
.374
7