Lighted Pushbutton Switch (Square)
A3S
CSM_A3S_DS_E_7_1
Pushbutton Switch Series with
Square 40-mm Body
• Combines miniature design with distinct but soft sense of operation.
• Easy panel mounting from the front and simple lamp replacement
without tools.
Refer to
Safety Precautions for All Pushbutton Switches/
Indicators
and
Safety Precautions
on page 18.
List of Models
Lighted Pushbutton Switches
Appearance
Model
Rectangular
A3SJ
Square
A3SA
■
Specifications: Refer to page 12.
■
Accessories: Refer to pages 10 to 11.
■
Dimensions: Refer to page 14.
1
A3S
Model Number Structure
Model Number Legend
..... The model numbers used to order sets are illustrated below. One set comprises the Operation Unit, Lamp,
and Socket Unit. For information on combinations, refer to Ordering Information on pages 3 to 4
.
1 - 24E R
(1)
(2)
Left Right
............ Single screen
A 3 S J - 9 0 A 3 - 24E RW
............ Vertical 2-split screen
Left
R
(Red)
Right
W
(White)
(1) Shape of
Operation Unit
Sym-
bol
J
A
Shape
Rectan-
gular
Square
(2) Switch Specifications
Standard Load
Symbol
Operation
Momentary
A
SPDT
B
Alternate
C
Momentary
DPDT
D
Alternate
(3) Screen Pattern
Illumination-only models
Symbol
1
Vertical 2-split screen
(4) Lighting Method
LED-lighted Models
Symbol
05E
12E
24E
Rated
voltage
5 VDC
12 VDC
24 VDC
(5) Operation Unit Color
For LED
Symbol
R
Y
G
W
Color
Red
Yellow
Green
White *
Screen pattern
Single screen
Microload
Symbol
Operation
E
Momentary
SPDT
F
Alternate
G
Momentary
DPDT
H
Alternate
• Standard Load
250 VAC, 2 A
125 VDC, 0.4 A
• Microload
125 VAC, 0.1 A
30 VDC, 0.1 A
Minimum applicable load
5 VDC, 1 mA
Momentary operation
...Self-resetting
Alternate operation
...Self-holding
3
(rectangular models only)
• Models with colored illumination
can be ordered individually. Refer
to page 5 for details.
Colored Illumination
Incandescent
Lamp-lighted Models
Symbol
06
14
28
Rated
voltage
6 VAC/VDC
14 VAC/VDC
28 VAC/VDC
Incandescent
Lamp-lighted Models
Symbol
R
Y
G
A
W
Color
Red
Yellow
Green
Blue
White *
Unlit
White
Lit
Color
The built-in
LED is colored.
* The color cap is transparent.
Number of Built-in LEDs and Incandescent Lamps
Model
A3SJ
A3SA
Screen pattern
Single screen
Vertical 2-split
screen
Single screen
LED
2
2
1
Incandescent lamp
1
2
1
Structure of Split-screen Operation Unit
Type
Color cap
Legend plate *
Dispersion plate
Light-separation plate
(2-split screen only)
Single screen
(Rectangular models
and square models)
A3SJ
Vertical 2-split screen
(Rectangular models only)
LED/incandescent
lamp holder
* Not included for the Square Models (A3SA) with
incandescent lamp.
2
A3S
Ordering Information
Ordering as a Set
.................The model numbers used to order sets of Units are given in the following tables. One set comprises the
Operation Unit, Lamp, and Socket Unit.
Standard Loads
Rectangular Models
A3SJ
Single screen
Contact type
Operation
Output
Lighting
LED
SPDT
Incandescent
lamp
LED
DPDT
Incandescent
lamp
* Incandescent lamp only.
Single
screen
1
Vertical 2-split
screen
1
2
5 VDC
12 VDC
24 VDC
6 VAC/VDC
14 VAC/VDC
28 VAC/VDC
5 VDC
12 VDC
24 VDC
6 VAC/VDC
14 VAC/VDC
28 VAC/VDC
Standard load (250 VAC, 2 A; 125 VDC 0.4 A)
Momentary operation
Alternate operation
(Self-resetting)
(Self-holding)
A3SJ-90A1-05E@
A3SJ-90B1-05E@
A3SJ-90A1-12E@
A3SJ-90B1-12E@
A3SJ-90A1-24E@
A3SJ-90B1-24E@
A3SJ-90A1-06@
A3SJ-90B1-06@
A3SJ-90A1-14@
A3SJ-90B1-14@
A3SJ-90A1-28@
A3SJ-90B1-28@
A3SJ-90C1-05E@
A3SJ-90D1-05E@
A3SJ-90C1-12E@
A3SJ-90D1-12E@
A3SJ-90C1-24E@
A3SJ-90D1-24E@
A3SJ-90C1-06@
A3SJ-90D1-06@
A3SJ-90C1-14@
A3SJ-90D1-14@
A3SJ-90C1-28@
A3SJ-90D1-28@
Operation Unit
color symbol
Enter the desired color
symbol for the Pushbutton
in
@.
R (Red)
Y (Yellow)
G (Green)
A (Blue) *
W (White)
Vertical 2-split screen
Contact type
Operation
Output
SPDT
Lighting
LED
Incandescent
lamp
LED
DPDT
Incandescent
lamp
24 VDC
28 VDC
24 VDC
28 VDC
Standard load (250 VAC, 2 A; 125 VDC 0.4 A)
Momentary operation
Alternate operation
(Self-resetting)
(Self-holding)
A3SJ-90A3-24E@@
A3SJ-90A3-28@@
A3SJ-90C3-24E@@
A3SJ-90C3-28@@
A3SJ-90B3-24E@@
A3SJ-90B3-28@@
A3SJ-90D3-24E@@
A3SJ-90D3-28@@
Operation Unit
color symbol
Enter the desired color
symbol for the Pushbutton
in
@@.
R (Red)
Y (Yellow)
G (Green)
W (White)
A (Blue) *
* Incandescent lamp only.
Microloads
Single screen
Contact type
Operation
Lighting
5 VDC
LED
12 VDC
24 VDC
SPDT
6 VAC/VDC
Incan-
descent 14 VAC/VDC
lamp
28 VAC/VDC
5 VDC
LED
12 VDC
24 VDC
DPDT
6 VAC/VDC
Incan-
descent 14 VAC/VDC
lamp
28 VAC/VDC
Output
Microload
(125 VAC, 0.1 A; 30 VDC 0.1 A)
Momentary operation
(Self-resetting)
A3SJ-90E1-05E@
A3SJ-90E1-12E@
A3SJ-90E1-24E@
A3SJ-90E1-06@
A3SJ-90E1-14@
A3SJ-90E1-28@
A3SJ-90G1-05E@
A3SJ-90G1-12E@
A3SJ-90G1-24E@
A3SJ-90G1-06@
A3SJ-90G1-14@
A3SJ-90G1-28
@
Operation
Unit color
symbol
Vertical 2-split screen
Microload
(125 VAC, 0.1 A; 30 VDC 0.1 A)
Operation Momentary operation
(Self-resetting)
Lighting
LED
SPDT
24 VDC
A3SJ-90E3-24E@@
Contact type
Operation
Unit color
symbol
Enter the
desired col-
or symbol
for the
Pushbutton
in
@@.
R (Red)
Y (Yellow)
G (Green)
W (White)
A (Blue) *
Output
Enter the
desired col-
or symbol
for the
Pushbutton
in
@.
R (Red)
Y (Yellow)
G (Green)
A (Blue) *
W (White)
Incan-
descent 28 VDC
lamp
LED
24 VDC
A3SJ-90E3-28@@
A3SJ-90G3-24E@@
DPDT
Incan-
descent 28 VDC
lamp
A3SJ-90G3-28@@
* Incandescent lamp only.
Individual models: Refer to pages 6 to 9.
(The Pushbutton, Lamp, and Switch can be ordered separately.)
■
Specifications: Refer to page 12.
■
Dimensions: Refer to page 14.
■
Accessories: Refer to pages 10 to 11.
3
A3S
Ordering Information
Ordering as a Set
................. The model numbers used to order sets of Units are given in the following tables. One set comprises the
Operation Unit, Lamp, and Socket Unit.
Standard Loads
Square Models
A3SA
Single screen
Contact type
Operation
Output
Lighting
LED
SPDT
Incandescent
lamp
5 VDC
12 VDC
24 VDC
6 VAC/VDC
14 VAC/VDC
28 VAC/VDC
5 VDC
12 VDC
24 VDC
6 VAC/VDC
14 VAC/VDC
28 VAC/VDC
Single
screen
Standard load (250 VAC, 2 A; 125 VDC 0.4 A)
Momentary operation
(Self-resetting)
A3SA-90A1-05E@
A3SA-90A1-12E@
A3SA-90A1-24E@
A3SA-90A1-06@
A3SA-90A1-14@
A3SA-90A1-28@
A3SA-90C1-05E@
A3SA-90C1-12E@
A3SA-90C1-24E@
A3SA-90C1-06@
A3SA-90C1-14@
A3SA-90C1-28@
Alternate operation
(Self-holding)
A3SA-90B1-05E@
A3SA-90B1-12E@
A3SA-90B1-24E@
A3SA-90B1-06@
A3SA-90B1-14@
A3SA-90B1-28@
A3SA-90D1-05E@
A3SA-90D1-12E@
A3SA-90D1-24E@
A3SA-90D1-06@
A3SA-90D1-14@
A3SA-90D1-28@
Operation Unit
color symbol
LED
DPDT
Incandescent
lamp
* Incandescent lamp only.
Enter the desired color
symbol for the Pushbutton
in
@.
R (Red)
Y (Yellow)
G (Green)
A (Blue) *
W (White)
Microloads
Single screen
Contact type
Operation
Output
Lighting
LED
SPDT
Incandescent
lamp
5 VDC
12 VDC
24 VDC
6 VAC/VDC
14 VAC/VDC
28 VAC/VDC
5 VDC
12 VDC
24 VDC
6 VAC/VDC
14 VAC/VDC
28 VAC/VDC
Microload
(125 VAC, 0.1 A; 30 VDC 0.1 A)
Operation Unit
color symbol
Momentary operation
(Self-resetting)
A3SA-90E1-05E@
A3SA-90E1-12E@
A3SA-90E1-24E@
Enter the desired color
A3SA-90E1-06@
symbol for the Pushbutton
A3SA-90E1-14@
in
@.
A3SA-90E1-28@
R (Red)
Y (Yellow)
A3SA-90G1-05E@
G (Green)
A3SA-90G1-12E@
A (Blue) *
A3SA-90G1-24E@
W (White)
A3SA-90G1-06@
A3SA-90G1-14@
A3SA-90G1-28@
LED
DPDT
Incandescent
lamp
* Incandescent lamp only.
Individual models: Refer to pages 6 to 9.
(The Pushbutton, Lamp, and Switch can be ordered separately.)
■
Specifications: Refer to page 12.
■
Dimensions: Refer to page 14.
■
Accessories: Refer to pages 10 to 11.
4
A3S
Ordering Information
Illumination-only and Colored-illumination LED Models
Illumination only describes LED models for which the screen color is the same whether the LED is lit or not. The screen simply becomes brighter
when the LED lights.
Example: Red LED
Color cap (red)
Not lit
Red
Legend plate
(transparent)
Display
Lit
Red
Dispersion plate
(milk-white)
LED lamp holder
LED (red)
Colored illumination describes LED models for which the screen color is white when the LED is not lit and changes to the color of
the LED lamp when the LED is lit.
Example: Red LED
Color cap (transparent)
Not lit
White
Legend plate
(transparent)
Pushbutton
Lit
Red
Dispersion plate
(milk-white)
LED lamp holder
LED (red)
Ordering
.......................................With colored-illumination models, order the Display (Operation Unit), Lamp, and Socket Unit as shown in the
following table.
Display (Operation Unit)
Single screen
LED
A3SJ-5801
A3SA-5801
Socket Unit
Rectangular
models
Square models
2-split screen
Select the LED lamps to suit your desired
coloration from the selection on page 9.
Select from the Switches on
page 9.
Rectangular
models only
A3SJ-5921
5
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