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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
Completely Assembled
The model numbers used to order sets of Units are illustrated below. One set comprises the Pushbutton, Lamp (lighted models only), Case, and
Switch.
A 1 6 5 L - J R M - 24D - 2
(1) Degree of Protection
Symbol
Protection
No symbol
IP40
5
IP65 oil-resistant
(2) Lighted/Non-lighted
Symbol
Type
No symbol
Non-lighted
L
Lighted
(3) Shape of Pushbutton
Symbol
Shape
J
Rectangular 2-way guard
A
Square
2-way guard
T
Round
Projecting model
3J
Rectangular 3-way guard
BA
Square
24-mm square
(1)
(2)
(3)
(4)
(5)
(5) Switch Operation
(4) Color of Pushbutton
Symbol
Color
R
Red
Y
Yellow
Momentary-action: Self-resetting
PY
Pure yellow
Alternate-action: Self-holding
G
Green
W
White
A
Blue
B
Black (non-lighted
models only)
"Colored-illumination" models
operate in the way shown below:
Unlit
Lit
Color
White
The built-in LED
is colored.
(6)
(7)
(6) Light Source
Symbol
Symbol
Operation
No symbol
M
Momentary
5
A
Alternate
12
24
5D
12D
24D
Voltage Reduction Unit (24-V Built-in LED)
Symbol
T1
T2
Note: 1. Solder terminals are available only with 100-V
2. The Voltage Reduction Unit is not available for
(7) Contact Configuration
Symbol
Type
Terminal
1
SPDT
Solder
Terminal
2
DPDT
1P
SPDT
PCB
Terminal
2P
DPDT
2S
DPDT
Screw-Less
Clamp
Only DPDT contacts are available
with Screw-Less Clamp.
Operating
Rated
Type
voltage
voltage
Non-lighted
5 VAC/VDC
6 VAC/VDC
Incandescent
12 VAC/VDC
14 VAC/VDC
lamp
24 VAC/VDC
28 VAC/VDC
5 5% VDC
5 VDC
LED
12 5% VDC
12 VDC
24 5% VDC
24 VDC
Rated
Type
Operating voltage
voltage
90 to 121 VAC/VDC
110 VAC
LED
180 to 242 VAC/VDC
220 VAC
models.
models with PCB terminals.
A16
Pushbutton Switch
G-5
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Table of Contents
Related Manuals for Omron A16
Summary of Contents for Omron A16
- Page 1 ■ Model Number Legend Completely Assembled The model numbers used to order sets of Units are illustrated below. One set comprises the Pushbutton, Lamp (lighted models only), Case, and Switch. A 1 6 5 L - J R M - 24D - 2...
-
Page 2: Push Button
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 Lighted Pushbutton Switches Non-lighted Pushbutton Switches Pushbutton Rectangular Rectangular Square Square Round Round Lamp LED lamp... - Page 3 2. Lamp A16-@@ 1. Operating Voltage (Rated Voltage) 2. Illumination Color Incandescent Lamp None: Incandescent Lamp 5 VAC/VDC (6 VAC/VDC) Red (LED) 12 VAC/VDC (14 VAC/VDC) Green (LED) 24 VAC/VDC (28 VAC/VDC) Yellow (LED) White (LED) Blue (LED) 5DS: 5 VDC (5 VDC)
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Page 4: Ordering Information
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... - Page 5 A165L-A@A-24-2 G: green W: white Non-lighted A165-A@M-2 A165-A@A-2 A: blue B: black (See note 2.) 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...
- Page 6 G: green W: white Non-lighted A165-T@M-2 A165-T@A-2 A: blue B: black (See note 2.) Note: 1. Enter the desired color symbol for the Pushbutton in the @. 2. Black (“B”) Pushbuttons are only available for non-lighted models. G-10 Pushbutton Switch...
-
Page 7: Other Models
W: white A: blue Note: 1. Enter the desired shape for the Pushbutton in : J (rectangular), A (square), or T (round). Enter the desired color symbol for the Push- button in the @. 2. Models with rated voltage 200 to 220 VAC/VDC (T2 models) are only available with Screw-Less Clamps. - Page 8 B: black (See note 2.) 12 VDC A165L-BA@M-12D-2 A165L-BA@A-12D-2 24 VDC A165L-BA@M-24D-2 A165L-BA@A-24D-2 Non-lighted A165-BA@M-2 A165-BA@A-2 Note: 1. Enter the desired color symbol for the Pushbutton in the @. 2. Black (“B”) Pushbuttons are only available for non-lighted models. G-12 Pushbutton Switch...
- Page 9 Ordering Individually Pushbuttons, Lamps, Cases, and Switches (Sockets) can be ordered separately. Combinations that are not available as sets can be created using individual Units. Also, store the parts as spares for maintenance and repairs. Pushbutton Rectangular Models Square Models...
- Page 10 A16L-TW A165L-TW A165L-AW A165L-TW Blue A16L-JA A16L-AA A16L-TA A165L-JA A165L-AA A165L-TA Incandescent Lamps (With the exception of green, the Units are the same as for LEDs.) Degree of protection IP40 Oil-resistant IP65 Square Round Rectangular Round Rectangular Square Color A16L-JR...
- Page 11 A16-12DSG A16-24DSG White (See note.) A16-5DSW A16-12DSW A16-24DSW Blue A16-5DA A16-12DA A16-24DA Note: Use the white LED together with white or pure yellow Pushbuttons. Incandescent Lamp 5 VAC/VDC 12 VAC/VDC 24 VAC/VDC Operating voltage Model A16-5 A16-12 A16-24 Neon Lamp...
- Page 12 Name Appearance Classification Model Remarks Switch Guards For rectangular models A16ZJ-5050 Cannot be used with the Dust Cover. For square and round models A16ZA-5050 Dust Covers For rectangular models A16ZJ-5060 Cannot be used with the Switch Guard. For square models...
- Page 13 Pure yellow A16Z@-5001PY T: Round Green A16Z@-5001GY The Color Cap is usually supplied. Re- Incandescent lamp/ Blue A16Z@-5001A place the Cap if the color is to be non-lighted changed. Green A16Z@-5001G When using an LED indicator, be sure Non-lighted Black A16Z@-5011B...
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Page 14: Specifications
1,000 VAC, 50/60 Hz for 1 min between terminals of same polarity 2,000 VAC, 50/60 Hz for 1 min between terminals of different polarity and also between each terminal and ground 1,000 VAC, 50/60 Hz for 1 min between lamp terminals (See note 2.) - Page 15 Releasing force (RF) min. 0.29 N Total travel (TT) Approx. 3 mm Pretravel (PT) max. 2.5 mm Lock stroke (LTA) min. 0.5 mm (See note.) Note: Lock stroke is only for alternate operation. ■ Contact Form Name Contact DPDT G-19 Pushbutton Switch...
- Page 16 Switch Switch Ratings Square (A16@-A) 5 A at 125 VAC 3 A at 250 VAC 3 A at 30 VDC Minimum applicable load: 1 mA at 5 VDC Terminal Type Round (A16@-T) Solder terminals (tab terminals #110) PCB terminals Screw-Less Clamp...
- Page 17 ■ Lighted/Non-lighted Pushbutton Switches without Voltage Reduction Unit The lamp terminal is also provided with non-lighted models. Solder terminals and tab terminals (#110) can be both used with Lighted and Non-lighted Pushbutton Switches. Rectangular A16@-J Solder terminals (tab terminals #110)
- Page 18 Round A16@-T Panel Cutouts Solder terminals (tab terminals #110) See page 25 for panel cutouts Lamp terminals +0.2 dia. 19 min. 18 dia. 15.1 dia. 19 min. Lock ring Mounting nut Lamp terminals Packing (t0.5) (for oil-resistant IP65 only) G-22...
- Page 19 The following diagrams show the rectangular model as a representative example. Rectangular A16@-J PCB terminals Panel Cutouts See page 25 for panel cutouts 24 min. +0.2 dia. 24 min. Lock ring Mounting nut Packing (t0.5) (for oil-resistant IP65 only) Rectangular...
- Page 20 ■ Accessories, Tools, and Components Extractor A3PJ-5080 Legend Plates 12.9 dia. A16ZJ-520@ A16ZA-520@ A16ZT-520@ 13.4 dia. Note: 1. The panel is 0.6 mm thick. 2. The panel is made of the materials listed in the following table. Color Degree of Materials protection IP40 Milky...
- Page 21 Panel Plugs (Black Resin) Select the Plug that fits the panel design and mount from the front of the Panel. Panel cutouts are the same as those for Switches. Square Rectangular Round A16ZA-3003 A16ZJ-3003 A16ZT-3003 Lock Ring Rough surface 15.8 0.1 dia.
- Page 22 +0.2 dia. Note: The above illustration shows the case where 4.5 mm is provided for the distance "x." If no clearance is required for the "x" section, 28 min. the vertical mounting dimension can be as small as 24 mm.Set this distance according to operating conditions.For models with...
- Page 23 Dust Covers Rectangular Cover A (transparent) Panel Cutouts A16ZJ-5060 Cover B (black) +0.2 dia. 31 min. 25 min. Square A16ZA-5060 Cover A (transparent) Panel Cutouts Cover B (black) +0.2 dia. 25 min. 25 min. Round A16ZT-5050 Panel Cutouts Cover A (transparent) Cover B (black) 25 min.
- Page 24 ■ Terminal Arrangement Models without Reduced-voltage Lighting Non-lighted Pushbutton Switches are also provided with lamp terminals. Solder Terminals Lighted DPDT Switches Lighted SPDT Switches Terminal Arrangement Terminal Arrangement (Bottom View) (Bottom View) Dimensions of Dimensions of Terminal Holes Terminal Holes...
- Page 25 19 min. Note: 1. Make sure the thickness of the mounting panel is between 0.5 and 3.2 mm. If, however, a Switch Guard or Dust Cover is used, the thick- ness of the mounting panel must be between 0.5 and 2 mm.
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Page 26: Installation
Switch. 4. Be sure to mount the Case to the Switch with the correct orientation. Mount with the • mark on the Case facing in the same direction as the side of the Switch with the direction arrow or the word TOP. -
Page 27: Removing The Lamp
When mounting the Lamp, make sure it is facing the direction shown in the following diagram. Insert the Lamp while matching the protrud- ing part of the Lamp and the small guides on the outer surface of the Case. Protruding part... - Page 28 1. Insert the Case into the Switch Guard. 2. Mount these parts together onto the panel. 3. From the back of the panel, mount the lock ring and secure with 1. Separate the Dust Cover into 2 parts: cover A and cover B.
-
Page 29: Operating Environment
■ Correct Use The A16 allows both a standard load (125 V at 5A, 250 V at 3 A) and a microload. If a standard load is applied, however, the microload area cannot be used. If the microload area is used with a standard... - Page 30 Hammer Screwdriver ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. Cat. No. A124-E1-02 In the interest of product improvement, specifications are subject to change without notice.