Rotary Switches
Shaft Configurations
18-tooth Serration Shaft
The shaft shows the position in which it is turned fully counterclockwise.
①
①Cutting
Shaft
L
±
0.5
B
A
18 tooth serration
Unit:mm
Shaft length L
15
20
L±0.5
R
18 tooth serration
A
6
10
B
1
2
C
7
11
②Die
Casting Shaft
Detector
Push
Unit:mm
0.7
ø6
C
ø6
②
ø6.1 Except serrated part
1
Shaft length L
15
20
R
8
12
C1
C1
Slide
Rotary
Details About Serration
（1）
The mold dimensions of standard serration and the
dimensions of test jigs are as shown in the figure at left.
（2）
Position of the serration bottom
When the shaft is turned fully counterclockwise, the
position of the serration bottom is on the AA line.
（3）
Slitting angle
The slitting angle
（position）
not specified.
is
98
˚
90
˚
20
˚
Testing jig
dimensions
Encoders
Power
ø6
ø6.08
ø5.06
ø5.3
0.07
Dual-in-line
Package Type
TACT Switch
TM
Custom-
Products
ø6.1
7
Shaft dimensions
Round Shaft
L±0.5
C1
Round Shaft with Groove
The shaft shows the position in which it is turned fully counterclockwise.
L±0.5
1.6±0.3
ø6 -
0.1
0
Shaft flatten angle
0
ø6 -
0.1
1±0.3
90
°
C0.5
Flat Shaft
The shaft shows the position in which it is turned fully counterclockwise.
Cutting Shaft
L±0.5
R±0.3
4.5
-0.1
0
ø6
-0.1
0
Die Casting Shaft
Shaft length L
±0.5
when
R＞10
L
±
0.5
Unit:mm
R
7
12
±
0.5 when
R＞
10
4.5
-0.05
15
20
R
±
0.3
ø6
-0.05
0
0
C1
C1
ø6.1
±
0.2 except for flat part
Shaft flatten angle
Note
SRBM Series are based on
p
（printed
terminal direction） SRRM, SRRN, SRBV Series are based on
s
.
（panel
lug）
.
171
ALPS [ ALPS ELECTRIC CO.,LTD. ]
