MRA112-A NKK Switches, MRA112-A Datasheet - Page 6
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MRA112-A
Manufacturer Part Number
MRA112-A
Description
SW ROTARY SP 2-12POS BLK KNOB PC
Manufacturer
NKK Switches
Series
MRr
Type
Rotaryr
Specifications of MRA112-A
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
Knob
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
No. Of Poles
1
No. Of Switch Positions
12
Contact Current Ac Max
250mA
Contact Voltage Ac Max
125V
Svhc
No SVHC (15-Dec-2010)
Angle
30°
Bush Thread Length
5.0mm
Rohs Compliant
Yes
Total # Of Positions
11
Pole Throw Configuration
SP
Actuator Style
Shaft
Actuator Material
Brass
Current Rating (max)
0.25A
Illumination Type
Not Required
Ac Voltage Rating (max)
125VVAC
Mechanical Life
30000
Contact Material
Copper
Contact Plating
Silver
Housing Material
Diallyl Phthalate/Zinc Alloy
Product Depth (mm)
16mm
Product Length (mm)
16mm
Operating Temp Range
-10C to 70C
Mounting Style
Panel
Terminal Type
PC Pins
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
360-2368
MRA112-A-RO
MRA112-A-RO
MRA112-A-RO
MRA112-A-RO
Half-Inch Diameter Process Sealed Rotaries
Material:
Polyacetal
Color:
Black
only
Color Codes:
AT513M
Metric Hexagon Nut
Material:
Brass, nickel plating
1 for MRA; 1 for MRK
AT543
Support Bracket for MRK
Material:
Steel with tin plating
Without
Keyway
A
.354
(9.0)
AT433
Plain Black
(6.35) Dia
.250
.020
(0.5)
(2.2) Dia
.087
M6 P0.75
(13.0)
.512
.059
(8.0)
.315
(1.5)
A
Nonsealed Panel
(19.0) Dia
(11.0) Dia
.433
.748
PANEL CUTOUTS & MAXIMUM EFFECTIVE PANEL THICKNESS
MRA & MRK
.256
(6.5)
Black
(3.8) Typ
.150
AT545
Locking Ring
Material:
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
With
Keyway
(9.5)
.374
(18.0)
.709
(14.0)
.551
.067
.079
(1.7)
(2.0)
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
OPTIONAL SUPPORT BRACKET
(18.0)
(5.5)
.217
.709
(14.9)
AT4103 Small
Color Tipped
.587
(0.8) Typ
.031
(0.5) Typ
.020
(12.0)
.472
.024
(0.6)
.236
(6.0)
(0.8)
.031
(11.6)
.457
.220
(5.6)
C
Red
.020
KNOBS
(0.5)
(14.3)
.563
Sealed Panel
www.nkk.com
(5.4)
.213
(17.2)
.677
MRK
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
.374
(9.5)
(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 AT513M & AT535 only 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
(18.0) Dia
.709
(6.2) Dia
.244
(11.0) Dia
.433
(9.4) Dia
.370
H
.051
(1.3)
Gray
G21
.374
(9.5)
G