Datasheet

Series MRB
Miniature PCB Process Sealed Rotaries
www.nkk.com
G30
Indicators
AccessoriesSupplement
Tactiles
Keylocks
Pushbuttons
Illuminated PB
Slides
Programmable
Rockers
Touch Tilt
Toggles
G
Rotaries
TYPICAL SWITCH ORDERING EXAMPLE
B
Poles
1
SPDT
SP3T
2
DPDT
DP3T
2
Circuits & Indexing
2 ON NONE ON 90°
4 ON ON ON 45°
Terminals
B Straight with Bracket
H Right Angle with Bracket
1
B
Straight PC Terminals
with Bracket
TERMINALS
SPDT
MRB
H
Right Angle PC Terminals
with Bracket
DPDT
Pole Model
Actuator Positions Connected Terminals Throw & Schematics
Position 1 Position 2 Position 3
Position 1 Position 2 Position 3
Note: Terminal numbers
are not actually on switch
SP
MRB12 ON NONE ON C1-1 OPEN C1-2 SPDT
MRB14 ON ON ON C1-1 C1-2 C1-3 SP3T
DP
MRB22 ON NONE ON C1-1 C2-4 OPEN C1-2 C2-5 DPDT
MRB24 ON ON ON C1-1 C2-4 C1-2 C2-5 C1-3 C2-6 DP3T
POLES & CIRCUITS
1
C1
2
123
C1
1
C1
2
45
C2
123456
C1 C2
Knobs
A Plain Black
B Small Color Tipped
C Large Color Tipped
Colors
For Plain Knob
No
Code
Black
For Color Tipped
A Black
B White
C Red
E Yellow
F Green
G Blue
H Gray
A
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
MRB12B-A
SPDT with
ON-NONE-ON Circuit
& 90° Indexing
Straight PC Terminals
with Bracket
Plain Black Knob