Discontinued as of August 31, 2011
NS Series (ACEA, ACBA, ACSA, ACKA)
DIMENSIONS (unit: mm)
1. Illuminated pushbutton switches and indicators
18 dia. projecting type
18 dia. projecting type
18 square flat type
18 square flat type
18 × 24 flat type
18 × 24 flat type
24 dia. mushroom button type
(Illuminated pushbutton switches and indicators)
Rubber washer
Panel thickness: 0.5 to 6mm
Whirl-stop plate Terminal width: 2.8 × 0.5t
18 dia.
(TOP)
2.5
3
Lock nut
0.6
9
1
ꢀ18
24
6
6
22
8
(24 dia. mushroom button type)
24 dia. mushroom button type
Soldering terminal width: 2.8 × 0.5t
23.5 dia.
N C
N O
C
0.6
1
5.7
12.5
22
8
Notes) 1. Indicators have only lamp terminals, and do not have contact terminals.
2. There is no mushroom button type in the indicator.
WIRING DIAGRAM (BOTTOM VIEW)
(Illuminated pushbutton switches)
(Indicators)
(TOP)
(TOP)
NC1 NC2
NO1 NO2
C1
C2
Lamp terminal
(+)
Lamp terminal
(–)
Lamp terminal
(+)
Lamp terminal
(–)
(Single pole “1 Form C” types have only the left terminal.)
Mounting hole diagram, and recommended minimum mounting pitch
18 dia. projecting and
18 × 24 flat type
Mushroom button type
18 square flat types
16.2+0.2 dia.
Min. 28.5
16.2+0.2 dia.
0
0
+0.2
16.2 dia.
–0
24
18
Note) Operability should be taken into consideration when deciding the mounting pitch.
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