Selector Switches
A22NS/A22NW
22-mm Selector Switches
Universal Design.
Emphasis on Color Coding,
Workability, and Safety.
Easy to Use
• You can connect up to three Contact Blocks in one stage for
multistage expansion.
• Screw terminal structure is compatible with round crimp
terminals.
Safety
• Easy-to-operate lock lever for secure locking.
• Easy-mounting Contact Blocks provide finger protection.
• Different colors of Contact Blocks (NO: blue, NC: orange)
help prevent wiring errors.
Product Lineup
• Meets global safety standards.
• Available in metal and plastic bezels.
• Many color variations.
• Standard-feature degree of protection: IP66, NEMA 4X, and NEMA 13.
Refer to
Safety Precautions for All Pushbutton Switch-
es/Indicators
and
Safety Precautions
in the A22NN/
A22NL datasheet
Operation Unit Colors
Red
Non-lighted
Switches
A22NS-
-N
Opaque
Green
Yellow
White
Blue
Black
Red
When not
lit
Lighted
Switches
A22NW-
-T
Transparent
When lit
Green
Yellow
White
Blue
Orange
White
Red
Green
Yellow
White
Blue
Orange
Opaque
white*
*
The colors when the Switches are lit are for transparent white Operation Units (code: TW) and yellow LED Lamps (code: Y).
1
A22NS/A22NW
List of Models
Plastic Switches
Non-lighted
Two Positions
Lighted
Three Positions
Two Positions
Three Positions
Brushed Metal Switches
Non-lighted
Two Positions
Lighted
Three Positions
Two Positions
Three Positions
Metal Switches
Non-lighted
Two Positions
Lighted
Three Positions
Two Positions
Three Positions
Note: Not all assembled configurations are possible.
Please refer to the subassemblies section for additional options.
Please refer to the specifications section for examples of linked contact block options.
2
A22NS/A22NW
Model Number Structure
Model Number Legend
Model Numbers for Sets
(1)
(2)
(3)
- Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block.
For information on combinations, refer to
Ordering Information
on pages 6 to 8.
(4)
(5)
(6)
(7)
(8) (9)
A22N W - 2B M - NR A
(1) Type
Code
S
W
Type
Non-lighted
Lighted
- G 101 - R A
(5) Degree of Protection
Code
A
Protection
IP66, NEMA 4X, NEMA13
(6) Contacts
Code
G
Description
General purpose
(2) Number of Positions and Bezel Material
Code
2B
2M
2R
3B
3M
3R
No. of positions
2
2
2
3
3
3
Bezel material
Plastic
Brushed metal
Metal
Plastic
Brushed metal
Metal
(7) Contact Configuration
Con-
tact
Blocks
NO NC
Non-lighted
Switch
position
(1)
NO
---
NO
NO
NC
NC
(2)
---
---
---
---
---
---
(3)
---
NC
NO
NC
NO
NC
---
---
Yes
No. of
positions
Two
Three
positions positions
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
(1)
Lighted
Switch position
(2)
(3)
---
No. of positions
Two
Three
positions positions
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Code
(3) Reset Method
Code
Reset method
Two-position
manual
M
Manual
Three-position
manual
100
002
101
102
201
202
1
0
2
1
1
0
2
1
2
1
1
0
1
0
0
1
0
1
1
2
0
1
0
1
1
2
1
2
NO Lighting Unit
---
Lighting Unit NC
NO Lighting Unit NO
NO Lighting Unit NC
NC Lighting Unit NO
NC Lighting Unit NC
(4) Operation Unit Transparency and
Color and (8) LED Lamp Color
Lighted/
Code Code
Transparancy
non-
(4)
(8)
lighted
NR
NG
Non-
lighted
NY
NW
NA
NB
TR
TG
TY
Lighted
TW
TA
TO
TW
R
G
Y
W
A
O
Y
N
Opaque
Opaque
Opaque
Opaque
Opaque
Opaque
Transparent
Transparent
Transparent
Transparent
Transparent
Transparent
Transparent
Opera-
tion Unit
color
Red
Green
Yellow
White
Blue
Black
Red
Green
Yellow
White
Blue
Orange
White*
Red
Green
Yellow
White
Blue
Orange
Yellow
---
LED Lamp
color
110
210
011
012
120
220
021
022
NO NO
NC NO
---
---
NO NO
NO NC
---
---
NO NC
NC NC
---
---
NC NO
NC NC
Note: 1.
NO (blue): Normally open, NC (orange): Normally closed.
2.
Refer to the following figure for the Unit positions.
(9) LED Lamp Voltage
Code
N
A
B
C
D
E
LED Lamp voltage
Non-lighted
6 VAC/DC
12 VAC/DC
24 VAC/DC
100/110/120 VAC
200/220/230/240 VAC
*
The color is opaque white when the Switch is lit.
Note: Not all assembled configurations are possible.
Please refer to the subassemblies section for additional options.
Please refer to the specifications section for examples of linked contact block options.
■
Specifications: Refer to page 14 and refer to the A22NN/A22NL.
■
Dimensions: Refer to page 15.
■
Precautions for correct use: Refer to the A22NN/A22NL.
3
A22NS/A22NW
Structure
Contact Configuration Table
Two Positions
No. of
outputs
1
Code
Contact
configuration
SPST-NO
Switch
position
(1)
100
(2)
(3)
(1)
1
002
SPST-NC
(2)
(3)
(1)
2
102
SPST-NO/
SPST-NC
(2)
(3)
(1)
2
101
DPST-NO
(2)
(3)
(1)
2
202
DPST-NC
(2)
(3)
(1)
3
111
3PST-NO
(2)
(3)
(1)
3
222
3PST-NC
(2)
(3)
(1)
3
122
SPST-NO/
DPST-NC
(2)
(3)
(1)
3
112
DPST-NO/
SPST-NC
(2)
(3)
Contacts
NO
---
---
---
---
NC
NO
---
NC
NO
---
NO
NC
---
NC
NO
NO
NO
NC
NC
NC
NO
NC
NC
NO
NO
NC
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
---
ON
ON
ON
ON
---
---
---
ON
ON
---
ON
---
---
---
---
ON
ON
---
Position
1
2
ON
---
---
---
---
1
Operation Angle
Two Positons
90°
Three Positons
0
2
1
45°
45°
2
Three Positions
No. of
outputs
2
Code
Contact
configuration
DPST-NO
Switch
position
(1)
110
(2)
(3)
(1)
2
011
DPST-NO
(2)
(3)
(1)
2
101
DPST-NO
(2)
(3)
(1)
2
220
DPST-NC
(2)
(3)
(1)
2
022
DPST-NC
(2)
(3)
(1)
2
202
DPST-NC
(2)
(3)
Contacts
NO
NO
---
---
NO
NO
NO
---
NO
NC
NC
---
---
NC
NC
NC
---
NC
---
ON
ON
---
---
ON
ON
---
---
ON
ON
ON
---
ON
ON
---
---
---
ON
---
---
---
ON
ON
Position
1
ON
ON
---
---
ON
---
---
ON
---
---
ON
ON
0
2
Note: Not all assembled configurations are possible.
Please refer to the subassemblies section for additional options.
Please refer to the specifications section for examples of linked contact block options.
4
A22NS/A22NW
Operation Angle
2
No. of
outputs
2
Code
Contact
configuration
SPST-NO/
SPST-NC
Switch
position
(1)
(2)
(3)
(1)
Contacts
NO
NC
---
NO
---
NC
NC
NO
---
NC
---
NO
---
NO
NC
---
NC
NO
NO
NO
NO
NC
NC
NC
NO
NC
NC
NC
NO
NC
NC
NC
NO
NC
NO
NO
NO
NC
NO
NO
NO
NC
Position
1
ON
ON
---
ON
---
ON
ON
---
---
---
ON
ON
---
ON
---
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
---
---
ON
---
---
---
ON
ON
ON
ON
---
ON
---
ON
---
ON
---
---
---
0
Three Positions
0
1
45°
45°
120
2
2
102
SPST-NO/
SPST-NC
(2)
(3)
(1)
2
210
SPST-NO/
SPST-NC
(2)
(3)
(1)
2
201
SPST-NO/
SPST-NC
(2)
(3)
(1)
2
012
SPST-NO/
SPST-NC
(2)
(3)
(1)
2
021
SPST-NO/
SPST-NC
(2)
(3)
(1)
3
111
3PST-NO
(2)
(3)
(1)
3
222
3PST-NC
(2)
(3)
(1)
3
122
SPST-NO/
DPST-NC
(2)
(3)
(1)
3
212
SPST-NO/
DPST-NC
(2)
(3)
(1)
3
221
SPST-NO/
DPST-NC
(2)
(3)
(1)
3
211
DPST-NO/
SPST-NC
(2)
(3)
(1)
3
121
DPST-NO/
SPST-NC
(2)
(3)
(1)
3
112
DPST-NO/
SPST-NC
(2)
(3)
Note: Some combinations are only available through subassemblies.
Please refer to the specifications section for more information.
5