Pushbutton Switch
A16
Mounting Aperture of 16 mm
• Modular construction
(Pushbutton + Case + Lamp + Switch)
• Wide Variety of Control and Signal Devices: Lighted, Non-Light-
ed, and Buzzer
• UL and cUL approved.
• Conforms to EN60947-5-1, IEC947-5-1
• Quick and easy assembly, snap-in Switch.
• Wide range of switching capacity from standard to microload
• High reliability, IP65
• Short mounting depth, less than 28.5 mm below panel
Model Number Structure
■
Model Number Legend
The model numbers used to order sets of Units are illustrated below. One set comprises the Pushbutton, Lamp (lighted models only), Case, and
Switch.
Pushbutton
Switches
Completely Assembled
(1)
(2)
(3)
(4)
(5)
(6)
(7)
A 1 6 5 L - J R M - 24D - 2
(1) Degree of Protection
Symbol
No symbol
(7) Contact Configuration
Symbol
1
2
1P
2P
2S
Type
SPDT
DPDT
SPDT
DPDT
DPDT
Terminal
Solder
Terminal
PCB
Terminal
Screw-Less
Clamp
Protection
IP40
5
IP65 oil-resistant
(2) Lighted/Non-lighted
Symbol
No symbol
L
Type
Non-lighted
Lighted
Only DPDT contacts are available
with Screw-Less Clamp.
(3) Shape of Pushbutton
Symbol
J
A
T
3J
BA
Square
Round
Square
Shape
Rectangular 2-way guard
2-way guard
Projecting model
24-mm square
(4) Color of Pushbutton
Symbol
R
Y
PY
G
W
A
B
(6) Light Source
(5) Switch Operation
Symbol
M
A
Operation
Momentary
Alternate
Symbol
No symbol
Type
Operating
voltage
Rated
voltage
Color
Red
Yellow
Pure yellow
Green
White
Blue
Black (non-lighted
models only)
Non-lighted
5 VAC/VDC
Incandescent
lamp
5
12
24
5D
12D
24D
LED
6 VAC/VDC
14 VAC/VDC
28 VAC/VDC
5 VDC
12 VDC
24 VDC
Rectangular 3-way guard
12 VAC/VDC
24 VAC/VDC
5
±5%
VDC
12
±5%
VDC
24
±5%
VDC
Momentary-action: Self-resetting
Alternate-action: Self-holding
Voltage Reduction Unit (24-V Built-in LED)
Symbol
Type
Operating voltage
Rated
voltage
"Colored-illumination" models
operate in the way shown below:
T1
T2
Unlit
White
Lit
Color
The built-in LED
is colored.
LED
90 to 121 VAC/VDC
180 to 242 VAC/VDC
110 VAC
220 VAC
Note:
1. Solder terminals are available only with 100-V
models.
2. The Voltage Reduction Unit is not available for
models with PCB terminals.
Pushbutton Switch
A16
G-5
Neon lamps are not available with models that are ordered as a set. They must be ordered individually if required. Refer to page 13.
Model
Pushbutton
Lighted Pushbutton Switches
Non-lighted Pushbutton Switches
Rectangular
Rectangular
Square
Square
Round
Lamp
LED lamp
Incandescent lamp
Neon lamp
Round
Case
Switch
Solder Terminals
(Without Voltage Reduction Unit)
Note:
There is no Lamp with non-lighted models.
Subassembled
1. Pushbutton
Non-lighted/Lighted
A16@L-@@
1
2 3
Illumination Color for Lighted Models
LED/Incandescent Lamp
R:
Red
Y:
Yellow
PY: Pure yellow
W:
White
A:
Blue
LED
GY: Green
Incandescent Lamp
G:
Green
Neon Lamp
RN: Red
GN: Green
1. Degree of Protection
None: IP40
5:
IP65
2. Flange Shape
J:
Rectangular
T:
Round
A:
Square
3. Illumination Color for Non-lighted Models
R:
Red
G:
Green
Y:
Yellow
W:
White
A:
Blue
B:
Black
G-6
Pushbutton Switch
A16
2. Lamp
A16-@@
1 2
1. Operating Voltage (Rated Voltage)
Incandescent Lamp
5:
5 VAC/VDC (6 VAC/VDC)
12: 12 VAC/VDC (14 VAC/VDC)
24: 24 VAC/VDC (28 VAC/VDC)
LED
5DS: 5 VDC (5 VDC)
12DS:12 VDC (12 VDC)
24DS:24 VDC (24 VDC)
Neon Lamp
1N: 100 VAC (110 VAC)
2N: 200 VAC (220 VAC)
2. Illumination Color
None: Incandescent Lamp
R:
Red (LED)
G:
Green (LED)
Y:
Yellow (LED)
W:
White (LED)
A:
Blue (LED)
RN: Red (Neon Lamp)
GN: Green (Neon Lamp)
3. Case
A16@-@@
1
2 3
2. Flange Shape
CJ: Rectangular
CT: Round
CA: Square
3. Switch Action
M:
Momentary
A:
Alternate
1. Degree of Protection
None: IP40
5:
IP65 Oil-resistant
4. Switch (Solder Terminals)
A16-@-@
1
2
2. Contacts
1:
SPDT
2:
DPDT
1. Voltage Reduction Circuit
(Operating Voltage/Rated Voltage)
None: Without Voltage Reduction Unit
T1: 100 VAC/110 VAC
5. Socket (Solder Terminals Only)
M16-@
1
1. Voltage Reduction Circuit
(Operating Voltage/Rated Voltage)
0:
Without Voltage Reduction Unit
T1: 100 VAC/110 VAC
Pushbutton Switch
A16
G-7
Pushbutton
Switches
Ordering Information
■
List of Models
Ordering as a Set
The model numbers used to order sets of Units are given in the following tables. One set comprises the Pushbutton, Lamp (lighted models only),
Case, and Switch.
A16@-J (Rectangular) Models
Solder Terminal Models
IP40
Output
SPDT
Lighting
Operating
voltage
Momentary operation
(Self-resetting)
A16L-J@M-5D-1
A16L-J@M-12D-1
A16L-J@M-24D-1
Alternate operation (Self-holding)
A16L-J@A-5D-1
A16L-J@A-12D-1
A16L-J@A-24D-1
Pushbutton color
symbol (See note 1.)
R: red
Y: yellow
PY: pure yellow
G: green
A: blue
W: white
R: red
Y: yellow
PY: pure yellow
G: green
W: white
A: blue
B: black (See note 2.)
R: red
Y: yellow
PY: pure yellow
G: green
A: blue
W: white
R: red
Y: yellow
PY: pure yellow
G: green
W: white
A: blue
B: black (See note 2.)
LED
5 VDC
without Voltage 12 VDC
Reduction Unit
24 VDC
Incandescent
lamp
5 VDC/VAC
12 VDC/VAC
24 VDC/VAC
A16L-J@M-5-1
A16L-J@M-12-1
A16L-J@M-24-1
A16-J@M-1
A16L-J@M-5D-2
A16L-J@M-12D-2
A16L-J@M-24D-2
A16L-J@A-5-1
A16L-J@A-12-1
A16L-J@A-24-1
A16-J@A-1
A16L-J@A-5D-2
A16L-J@A-12D-2
A16L-J@A-24D-2
Non-lighted
DPDT
LED
5 VDC
without Voltage
12 VDC
Reduction Unit
24 VDC
Incandescent
lamp
5 VDC/VAC
12 VDC/VAC
24 VDC/VAC
A16L-J@M-5-2
A16L-J@M-12-2
A16L-J@M-24-2
A16-J@M-2
A16L-J@A-5-2
A16L-J@A-12-2
A16L-J@A-24-2
A16-J@A-2
Non-lighted
IP65 Oil-resistant
Output
SPDT
Lighting
Operating
voltage
Momentary operation
(Self-resetting)
A165L-J@M-5D-1
A165L-J@M-12D-1
A165L-J@M-24D-1
Alternate operation (Self-holding)
A165L-J@A-5D-1
A165L-J@A-12D-1
A165L-J@A-24D-1
Pushbutton color
symbol (See note 1.)
R: red
Y: yellow
PY: pure yellow
G: green
A: blue
W: white
R: red
Y: yellow
PY: pure yellow
G: green
W: white
A: blue
B: black (See note 2.)
R: red
Y: yellow
PY: pure yellow
G: green
A: blue
W: white
R: red
Y: yellow
PY: pure yellow
G: green
W: white
A: blue
B: black (See note 2.)
LED
5 VDC
without Voltage
12 VDC
Reduction Unit
24 VDC
Incandescent
lamp
5 VDC/VAC
12 VDC/VAC
24 VDC/VAC
A165L-J@M-5-1
A165L-J@M-12-1
A165L-J@M-24-1
A165-J@M-1
A165L-J@M-5D-2
A165L-J@M-12D-2
A165L-J@M-24D-2
A165L-J@A-5-1
A165L-J@A-12-1
A165L-J@A-24-1
A165-J@A-1
A165L-J@A-5D-2
A165L-J@A-12D-2
A165L-J@A-24D-2
Non-lighted
DPDT
LED
5 VDC
without Voltage
Reduction Unit 12 VDC
24 VDC
Incandescent
lamp
5 VDC/VAC
12 VDC/VAC
24 VDC/VAC
A165L-J@M-5-2
A165L-J@M-12-2
A165L-J@M-24-2
A165-J@M-2
A165L-J@A-5-2
A165L-J@A-12-2
A165L-J@A-24-2
A165-J@A-2
Non-lighted
Note: 1.
Enter the desired color symbol for the Pushbutton in the
@.
2.
Black (“B”) Pushbuttons are only available for non-lighted models.
G-8
Pushbutton Switch
A16
A16@-A (Square) Models
Solder Terminal Models
IP40
Output
SPDT
Lighting
Operating
voltage
Momentary operation
(Self-resetting)
A16L-A@M-5D-1
A16L-A@M-12D-1
A16L-A@M-24D-1
Alternate operation (Self-holding)
A16L-A@A-5D-1
A16L-A@A-12D-1
A16L-A@A-24D-1
Pushbutton color
symbol (See note 1.)
R: red
Y: yellow
PY: pure yellow
G: green
A: blue
W: white
R: red
Y: yellow
PY: pure yellow
G: green
W: white
A: blue
B: black (See note 2.)
R: red
Y: yellow
PY: pure yellow
G: green
A: blue
W: white
R: red
Y: yellow
PY: pure yellow
G: green
W: white
A: blue
B: black (See note 2.)
LED
5 VDC
without Voltage
12 VDC
Reduction Unit
24 VDC
Incandescent
lamp
5 VDC/VAC
12 VDC/VAC
24 VDC/VAC
A16L-A@M-5-1
A16L-A@M-12-1
A16L-A@M-24-1
A16-A@M-1
A16L-A@M-5D-2
A16L-A@M-12D-2
A16L-A@M-24D-2
A16L-A@A-5-1
A16L-A@A-12-1
A16L-A@A-24-1
A16-A@A-1
A16L-A@A-5D-2
A16L-A@A-12D-2
A16L-A@A-24D-2
Non-lighted
DPDT
LED
5 VDC
without Voltage
12 VDC
Reduction Unit
24 VDC
Incandescent
lamp
5 VDC/VAC
12 VDC/VAC
24 VDC/VAC
A16L-A@M-5-2
A16L-A@M-12-2
A16L-A@M-24-2
A16-A@M-2
A16L-A@A-5-2
A16L-A@A-12-2
A16L-A@A-24-2
A16-A@A-2
Non-lighted
IP65 Oil-resistant
Output
SPDT
Lighting
Operating
voltage
Momentary operation
(Self-resetting)
A165L-A@M-5D-1
A165L-A@M-12D-1
A165L-A@M-24D-1
Alternate operation (Self-holding)
A165L-A@A-5D-1
A165L-A@A-12D-1
A165L-A@A-24D-1
Pushbutton color
symbol (See note 1.)
R: red
Y: yellow
PY: pure yellow
G: green
A: blue
W: white
R: red
Y: yellow
PY: pure yellow
G: green
W: white
A: blue
B: black (See note 2.)
R: red
Y: yellow
PY: pure yellow
G: green
A: blue
W: white
R: red
Y: yellow
PY: pure yellow
G: green
W: white
A: blue
B: black (See note 2.)
LED
5 VDC
without Voltage
12 VDC
Reduction Unit
24 VDC
Incandescent
lamp
5 VDC/VAC
12 VDC/VAC
24 VDC/VAC
A165L-A@M-5-1
A165L-A@M-12-1
A165L-A@M-24-1
A165-A@M-1
A165L-A@M-5D-2
A165L-A@M-12D-2
A165L-A@M-24D-2
A165L-A@A-5-1
A165L-A@A-12-1
A165L-A@A-24-1
A165-A@A-1
A165L-A@A-5D-2
A165L-A@A-12D-2
A165L-A@A-24D-2
Non-lighted
DPDT
LED
5 VDC
without Voltage
Reduction Unit 12 VDC
24 VDC
Incandescent
lamp
5 VDC/VAC
12 VDC/VAC
24 VDC/VAC
A165L-A@M-5-2
A165L-A@M-12-2
A165L-A@M-24-2
A165-A@M-2
A165L-A@A-5-2
A165L-A@A-12-2
A165L-A@A-24-2
A165-A@A-2
Non-lighted
Note: 1.
Enter the desired color symbol for the Pushbutton in the
@.
2.
Black (“B”) Pushbuttons are only available for non-lighted models.
Pushbutton Switch
A16
G-9
Pushbutton
Switches
Microchip MCU
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