Easy-to-Assemble Thumbwheel Switch
Designed Specially for Printed Circuit
Boards
n The transparent window plate fitted in the
readout section protects dial characters from
dust and prevents wear by incorrect handling
n Plus (+) and minus (–) pushbuttons for positive
forward and reverse rotation of each digital
wheel
n The contact section is of dust-proof construction
n Switch units can be assembled simply by fitting
the integral hook coupler of each unit into the
mating unit, thus eliminating the need of nuts
and bolts for assembly
Ordering Information
n SWITCH UNITS
Part Number
Back mounting PC board Front mounting PC board
Output Code Light gray case Black case Light gray case Black case
06 (binary code) – A7CN-106-1 A7CN-206 A7CN-206-1
Part Number
For back mounting type switch assembly For front mounting type switch assembly
Accessory Light gray Black Light gray Black
End Cap – A7CN-1M-1 A7CN-2M A7CN-2M-1
Spacer – A7CN-1Pnn -1 A7CN-2Pnn A7CN-2Pnn -1
Note: 1. When placing your order, please specify the model numbers and quantities of required switch units, end caps, and spacers,
respectively. (Note that switch units and accessories are not factory-assembled for shipment.)
2. Switch case, end cap, and spacer are made of polyacetal resin; however, the window plate is made of polycarbonate resin.
3. One of the following alphabetic codes must be filled into the boxed part of the model number to specify a legend to be hot
stamped on the required spacer.
4. End caps come as a set -- left and right.
Thumbwheel Switch A7CN
n ACCESSORIES
Code Legend Code Legend
A Hot stamp not required H cm
B SEC J m
C MIN K
o
C
D H L PCS
E g Q x 10 SEC
Fkg
T0
Gmm