Pushbutton Switch (Detachable) (Lighted/Non-Lighted) (Cylindrical 16-dia.)
A16
CSM_A16_DS_E_11_2
Separate Construction with
Cylindrical 16-dia. Body
• Miniature design of 28.5 mm, the smallest class in the industry.
• Detachable Switch.
• The same contacts can be used for both standard loads and
microloads.
• Easy-to-wire terminal arrangement.
• Certified for EN 60947-5-1.
Refer to
Safety Precautions for All Pushbutton Switches/
Indicators
and
Safety Precautions
on page 24.
List of Models
Rectangular
Model
Square
Round
Solder
terminals
A16@-J Series
A16@-A Series
A16@-T Series
PCB
terminals
A16@-J Series
A16@-A Series
A16@-T Series
Voltage-reduction
lighting solder
terminals
A16@-J Series
A16@-A Series
A16@-T Series
Screw-less clamp
models
A16@-J Series
A16@-A Series
A16@-T Series
Button Colors
The button colors when the buttons are lit and when they are not lit are shown below. Use these colors as reference only.
The actual colors may vary.
When not lit
When lit
R
(Red)
Y
(Yellow)
PY
(Pure yellow)
G
(Green)
W
(White)
A
(Blue)
PW
(Pure white)
B
(Black)
1
A16
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. For information on combinations, refer to Ordering Information on
pages 3 to 7.
(1) (2)
(3) (4) (5)
(6)
(7)
A 1 6 5 L - J R M - 24 D - 2
(1) Degree of Protection
Symbol
No symbol
5
Protection
IP40
Oil-resistant
IP66
(7) Contact Configuration
Symbol
1
2
1P
2P
2S
Type
SPDT
DPDT
SPDT
DPDT
DPDT
Terminal
Solder Terminal
PCB Terminal
Screw-less Clamp
(2) Lighted/Non-lighted
Symbol
No symbol
L
Type
Non-lighted
Lighted
(3) Shape of Pushbutton
Symbol
J
A
T
Shape
(6) Light Source
Rectan-
2-way guard
gular
(5) Switch Operation
Operating
Rated
Symbol
Type
voltage
voltage
Square 2-way guard
(4) Color of Pushbutton
Symbol Operation
No symbol
Non-lighted
Projecting
Round
Momentary
M
model
Symbol
Color
5
5 VAC/VDC 6 VAC/VDC
Incan-
A
Alternate
R
Red
12
descent 12 VAC/VDC 14 VAC/VDC
Momentary-operation:
lamp
Y
Yellow
24
24 VAC/VDC 28 VAC/VDC
Self-resetting
Pure yellow
PY
5D
5
±
5% VDC
5 VDC
Alternate-operation:
G
Green
12
±
5%
Self-holding
12D
12 VAC/VDC
LED
VAC/VDC
W
White
24
±
5%
A
Blue
Colored Illumination
24D
24 VAC/VDC
VAC/VDC
PW
Pure white
Unlit
Lit
Voltage Reduction Unit (24-V Built-in LED)
Black (non-lighted
White
Color
B
models only)
Operating
Rated
The built-in
Symbol
Type
• Color illuminated models are also
voltage
voltage
LED is colored.
available (see page 8).
100 to 110
100/110
• Order the parts separately.
T1
VAC/VDC
VAC/VDC
LED
200 to 220
200/220
T2
VAC/VDC
VAC/VDC
• Solder terminals are available only with 100-V models.
• The Voltage Reduction Unit is not available for models with
PCB terminals.
• “T2” is available only for the Screw-less Clamp type.
• Only DPDT contacts are available with Screw-
Less Clamp.
• Consult your OMRON representative
concerning pricing and delivery timing for PCB
terminals and screw-less clamp connectors.
2
A16
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
Pushbutton, Lamp (lighted models only), Case, and Switch.
Solder Terminal Models
Rectangular Models
IP40
Item
Output
Lighting
LED without
Voltage
Reduction
Unit
SPDT
Incandescent
lamp
Non-lighted
LED without
Voltage
Reduction
Unit
DPDT
Incandescent
lamp
Non-lighted
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Operating
voltage
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
12 VAC/VDC
24 VAC/VDC
A16@-J
Momentary operation
(Self-resetting)
A16L-J@M-5D-1
A16L-J@M-12D-1
A16L-J@M-24D-1
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@M-5-2
A16L-J@M-12-2
A16L-J@M-24-2
A16-J@M-2
Alternate operation
(Self-holding)
A16L-J@A-5D-1
A16L-J@A-12D-1
A16L-J@A-24D-1
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
A16L-J@A-5-2
A16L-J@A-12-2
A16L-J@A-24-2
A16-J@A-2
Pushbutton color
symbol
*1
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
*1. Enter the desired color symbol for the Pushbutton in the
@.
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
Oil-resistant IP66
Item
Output
Lighting
LED without
Voltage
Reduction
Unit
SPDT
Incandescent
lamp
Non-lighted
LED without
Voltage
Reduction
Unit
DPDT
Incandescent
lamp
Non-lighted
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Operating
voltage
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Momentary operation
(Self-resetting)
A165L-J@M-5D-1
A165L-J@M-12D-1
A165L-J@M-24D-1
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@M-5-2
A165L-J@M-12-2
A165L-J@M-24-2
A165-J@M-2
Alternate operation
(Self-holding)
A165L-J@A-5D-1
A165L-J@A-12D-1
A165L-J@A-24D-1
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
A165L-J@A-5-2
A165L-J@A-12-2
A165L-J@A-24-2
A165-J@A-2
Pushbutton color
symbol
*1
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
*1. Enter the desired color symbol for the Pushbutton in the
@.
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
Individual models: Refer to pages 9 to 13.
(The Pushbutton, Lamp, Case, and Switch can be ordered
separately.)
■
Ratings: Refer to page 16.
■
Characteristics: Refer to page 16.
■
Accessories: Refer to page 15.
3
A16
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
Pushbutton, Lamp (lighted models only), Case, and Switch.
Solder Terminal Models
Square Models
IP40
A16@-A
Item
Operating
voltage
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
Incandescent
lamp
Non-lighted
LED without
Voltage
Reduction
Unit
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
Incandescent
lamp
Non-lighted
12 VAC/VDC
24 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Momentary operation
(Self-resetting)
A16L-A@M-5D-1
A16L-A@M-12D-1
A16L-A@M-24D-1
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@M-5-2
A16L-A@M-12-2
A16L-A@M-24-2
A16-A@M-2
Alternate operation
(Self-holding)
A16L-A@A-5D-1
A16L-A@A-12D-1
A16L-A@A-24D-1
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
A16L-A@A-5-2
A16L-A@A-12-2
A16L-A@A-24-2
A16-A@A-2
Pushbutton color
symbol
*1
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
Output
Lighting
LED without
Voltage
Reduction
Unit
SPDT
DPDT
*1. Enter the desired color symbol for the Pushbutton in the
@.
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
Oil-resistant IP66
Item
Output
Lighting
LED without
Voltage
Reduction
Unit
SPDT
Incandescent
lamp
Non-lighted
LED without
Voltage
Reduction
Unit
DPDT
Incandescent
lamp
Non-lighted
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Operating
voltage
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Momentary operation
(Self-resetting)
A165L-A@M-5D-1
A165L-A@M-12D-1
A165L-A@M-24D-1
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@M-5-2
A165L-A@M-12-2
A165L-A@M-24-2
A165-A@M-2
Alternate operation
(Self-holding)
A165L-A@A-5D-1
A165L-A@A-12D-1
A165L-A@A-24D-1
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
A165L-A@A-5-2
A165L-A@A-12-2
A165L-A@A-24-2
A165-A@A-2
Pushbutton color
symbol
*1
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
*1. Enter the desired color symbol for the Pushbutton in the
@.
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
Individual models: Refer to pages 9 to 13.
(The Pushbutton, Lamp, Case, and Switch can be ordered
separately.)
■
Ratings: Refer to page 16.
■
Characteristics: Refer to page 16.
■
Accessories: Refer to page 15.
4
A16
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
Pushbutton, Lamp (lighted models only), Case, and Switch.
Solder Terminals
Round Models
IP40
A16@-T
Item
Operating
voltage
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
Incandescent
lamp
Non-lighted
LED without
Voltage
Reduction
Unit
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
Incandescent
lamp
Non-lighted
12 VAC/VDC
24 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Momentary operation
(Self-resetting)
A16L-T@M-5D-1
A16L-T@M-12D-1
A16L-T@M-24D-1
A16L-T@M-5-1
A16L-T@M-12-1
A16L-T@M-24-1
A16-T@M-1
A16L-T@M-5D-2
A16L-T@M-12D-2
A16L-T@M-24D-2
A16L-T@M-5-2
A16L-T@M-12-2
A16L-T@M-24-2
A16-T@M-2
Alternate operation
(Self-holding)
A16L-T@A-5D-1
A16L-T@A-12D-1
A16L-T@A-24D-1
A16L-T@A-5-1
A16L-T@A-12-1
A16L-T@A-24-1
A16-T@A-1
A16L-T@A-5D-2
A16L-T@A-12D-2
A16L-T@A-24D-2
A16L-T@A-5-2
A16L-T@A-12-2
A16L-T@A-24-2
A16-T@A-2
Pushbutton color
symbol
*1
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
Output
Lighting
LED without
Voltage
Reduction
Unit
SPDT
DPDT
*1. Enter the desired color symbol for the Pushbutton in the
@.
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
Oil-resistant IP66
Item
Output
Lighting
LED without
Voltage
Reduction
Unit
SPDT
Incandescent
lamp
Non-lighted
LED without
Voltage
Reduction
Unit
DPDT
Incandescent
lamp
Non-lighted
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Operating
voltage
5 VDC
12 VAC/VDC
24 VAC/VDC
5 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Momentary operation
(Self-resetting)
A165L-T@M-5D-1
A165L-T@M-12D-1
A165L-T@M-24D-1
A165L-T@M-5-1
A165L-T@M-12-1
A165L-T@M-24-1
A165-T@M-1
A165L-T@M-5D-2
A165L-T@M-12D-2
A165L-T@M-24D-2
A165L-T@M-5-2
A165L-T@M-12-2
A165L-T@M-24-2
A165-T@M-2
Alternate operation
(Self-holding)
A165L-T@A-5D-1
A165L-T@A-12D-1
A165L-T@A-24D-1
A165L-T@A-5-1
A165L-T@A-12-1
A165L-T@A-24-1
A165-T@A-1
A165L-T@A-5D-2
A165L-T@A-12D-2
A165L-T@A-24D-2
A165L-T@A-5-2
A165L-T@A-12-2
A165L-T@A-24-2
A165-T@A-2
Pushbutton color
symbol
*1
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
R: red, Y: yellow
PY: pure yellow
G: green, A: blue
W: white
PW: pure white
R: red, Y: yellow
PY: pure yellow
G: green, W: white
A: blue
B: black
*2
*1. Enter the desired color symbol for the Pushbutton in the
@.
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
Individual models: Refer to pages 9 to 13.
(The Pushbutton, Lamp, Case, and Switch can be ordered
separately.)
■
Ratings: Refer to page 16.
■
Characteristics: Refer to page 16.
■
Accessories: Refer to page 15.
5
