Type K, KX, and SK Selector Switch Guide
Class 9001 / Refer to Catalog 9001CT1103
Type K, KX, and SK Selector Switch Guide
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Selection Shown below is a simplified method of selecting a selector switch to meet almost any combination of contact sequences. Step No. 1 Determine the contact sequence(s) required. Set up a target table like the one shown for the example below. |
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Contact
Sequence |
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A |
1 |
0 |
0 |
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B |
0 |
1 |
0 |
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C |
0 |
0 |
1 |
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Step No. 2 Look for a cam type common to all sequences
in: Step No. 3 Next, use the cam type common to all the sequences (if several cam types are common, choose one) to find the operator type number. Go to the proper reference topic as indicated in the table below: |
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Number of Positions |
Push Button Line |
Reference topics |
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2 |
Type K, |
Type K |
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3 |
Type K, |
Type K |
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4 |
Type K, |
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If for the example above a manual return operator with a standard black knob is required and: The F cam type is chosen, the operator type number is:
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The L cam type is chosen, the operator type number is:
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Step No. 4: Determine the contact blocks required by using the same table in Step No. 2. If, for the example above, the F cam type is chosen:
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If, for the example above, the L cam type is chosen:
One Type KA1 double circuit block can be used in place of one Type KA2 single circuit block plus one Type KA3 single circuit block mounted on the same side. |
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2 Position Selector Switch
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If you require |
Use Cam Type |
Use Contact |
Mount on |
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|---|---|---|---|---|
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1 |
0 |
E |
KA3 |
1 or 2 |
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D |
KA2 |
1 or 2 |
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0 |
1 |
E |
KA2 |
1 or 2 |
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D |
KA3 |
1 or 2 |
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3 Position Selector Switch
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If you require |
Use Cam Type |
Use Contact |
Mount on |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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1 |
0 |
0 |
G |
M |
KA2 |
1 |
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L |
KA2 |
2 |
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C |
E |
KA3 |
1 |
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B |
C |
E |
F |
G |
J |
KA3 |
2 |
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B |
G |
J |
KA5 [2] |
2 |
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0 |
1 |
0 |
D |
E |
J |
L |
KA2 |
1 |
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D |
E |
KA2 |
2 |
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F |
KA3 |
1 |
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L |
KA3 |
2 |
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0 |
0 |
1 |
C |
F |
KA2 |
1 or 2 |
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B |
D |
G |
L |
KA3 |
1 |
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D |
KA3 |
2 |
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B |
KA5[2] |
1 |
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M |
KA2 |
2 |
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1 |
1 |
0 |
B |
KA2 |
1 |
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C |
F |
KA5 [2] |
1 or 2 |
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M |
KA3 |
2 |
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0 |
1 |
1 |
B |
G |
J |
KA2 |
2 |
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G |
KA5[2] |
1 |
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L |
KA5 [2] |
2 |
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M |
KA3 |
1 |
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1 |
0 |
1 |
J |
KA3 |
1 |
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D |
E |
J |
L |
KA5[2] |
1 |
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D |
E |
KA5[2] |
2 |
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4 Position Selector Switch
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If you require |
Use Cam Type |
Use Contact |
Mount on |
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|---|---|---|---|---|---|---|
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1 |
0 |
0 |
0 |
H |
(A) KA3 |
2 |
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0 |
1 |
0 |
0 |
H |
(B) KA2 |
1 |
|
0 |
0 |
1 |
0 |
H |
(C) KA2 |
2 |
|
0 |
0 |
0 |
1 |
H |
(D) KA3 |
1 |
|
1 |
0 |
0 |
1 |
H |
A & D Wired in Parallel |
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1 |
1 |
0 |
0 |
H |
A & B Wired in Parallel |
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0 |
1 |
1 |
0 |
H |
B & C Wired in Parallel |
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0 |
0 |
1 |
1 |
H |
C & D Wired in Parallel |
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1 |
1 |
1 |
0 |
H |
A, B & C Wired in Parallel |
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0 |
1 |
1 |
1 |
H |
B, C & D Wired in Parallel |
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1 |
0 |
1 |
0 |
H |
A & C Wired in Parallel |
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0 |
1 |
0 |
1 |
H |
B & D Wired in Parallel |
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1 |
1 |
0 |
1 |
H |
KA5 [2] |
2 |
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1 |
0 |
1 |
1 |
H |
KA5 [2] |
1 |
note
note
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When ordering, please specify: |
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For “H” Numbers, see Type K, SK, and KX Contact Block “H” Numbers |