MRK112-BF-RO NKK Switches, MRK112-BF-RO Datasheet - Page 6
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MRK112-BF-RO
Manufacturer Part Number
MRK112-BF-RO
Description
Rotary Switches LO PRO SHFT 2-12 POS GREEN TIPPED
Manufacturer
NKK Switches
Type
Half-Inch Process Sealed Rotariesr
Datasheet
1.AT433A.pdf
(6 pages)
Specifications of MRK112-BF-RO
Number Of Positions
2 to 12
Number Of Poles Per Deck
1
Number Of Decks
1
Index Angle
30 deg
Contact Style
Non Shorting
Contact Form
SP
Mounting Type
Panel
Color
Black, Green
Contact Material
Phosphor Bronze
Contact Plating
Gold
Dielectric Strength
500 VoltsAC
Voltage Rating
28 VoltsAC/DC
Current Rating
0.4 Volt-Amp at 28 VoltsAC/DC
Actuator
Shaft Actuated, Low Profile with Knob
Cap Color
Black, Green
Contact Rating
0.4 Volt-Amp at 28 VoltsAC/DC
Termination Style
PC Terminals
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
633-MRK112-BF MRK112-BF
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