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DESIGN A SWITCH TO MEET YOUR NEEDS
SERIES 20 AND 20P INSTRUMENT AND CONTROL SWITCHES
Handle
B = Oval Shank
C = Round Knurled
D = Pistol-Grip
E = Removable
A4
D4
S1
M4
A8
20K -11
A4 = A4
A8 = A8
D4 = D4
M4 = M4
S1 = S1
(momentary)
(see indexing
at left)
01 = 1
02 = 2
03 = 3
04 = 4
05 = 5
06 = 6
08 = 8
10 = 10
12 = 12
14 = 14
16 = 16
18 = 18
20 = 20
22 = 22
24 = 24
Indexing
SINGLE-THROW
OFF - ON
CONTACTS
POS.
2
4
6
8
113
5
7
2
0
1
CONTACTS
POS.
1
2
2
4
6
8
113
5
7
2
1 0
1 2
1 4
1 6
3911
13
15
4
2
CONTACTS
POS.
1
0
2
4
6
8
113
5
7
2
Indexing
Contact Diagram
Ordering Information
Detent and Momentary Action Rotary Switches
Description
No. Of Poles
B = Oval Shank
C = Round Knurled
D = Pistol-Grip
E = Removable
Handle
1
0
1
0
1
0
0
1
D4
A8
M4
A8
C4
C8
A4
S1
A4
S3
2
1
2
1
2
1
2
1
1
2
2
0
1
2
0
1
2
0
1
2
0
1
20K -22
A4 = A4
A8 = A8
D4 = D4
M4 = M4
S1 = S1
(momentary)
(see indexing
at left)
51 = 1
52 = 2
53 = 3
54 = 4
55 = 5
56 = 6
57 = 7
58 = 8
59 = 9
60 = 10
61 = 11
62 = 12
Indexing
No. Of Poles
B = Oval Shank
C = Round Knurled
D = Pistol-Grip
E = Removable
Handle
20K -22
01 = 1
02 = 2
03 = 3
04 = 4
05 = 5
06 = 6
07 = 7
08 = 8
09 = 9
10 = 10
11 = 11
12 = 12
Indexing
No. Of Poles
DOUBLE-THROW
No Off
DOUBLE-THROW
With Off
2
1
A4 = A4
A8 = A8
C4 = C4
C8 = C8
S1 = S3
(momentary)
(see indexing
at left)
For momentary action.
Up to six poles, specify S1 indexing.
For momentary action.
Up to six poles, specify S1 indexing.
For momentary action.
Up to six poles, specify S1 indexing.
1
0
0
1
0