Knob-type Selector Switch A165S/W G-59
Pushbutton
Switches
Knob-type Selector Switch
A165S/W
Mounting Aperture of 16 mm
• Modular construction
• Oil-resistant IP65 models
• UL and cUL approved.
• Conforms to EN60947-5-1, IEC947-5-1
• Short mounting depth, less than 28.5 mm below panel
• Wide range of switching capacity from standard to microload
• Lighted and non-lighted models
• 2 and 3-notch models
• Manual and automatic reset models
Model Number Structure
■Model Number Legend
Completely Assembled
The model numbers used to order sets of Units are illustrated below. One set comprises the Selector, Lamp (lighted models only), and Switch.
(1) (2) (3) (4)
S
W
(5) (6)
J
A
T
BA
2M
2A
3M
3A
3MA
3AM
R
G
Y
1
2
1P
2P
2S
24D
A 1 6 5 W - A 2A R - 24D - 1
(1) Lighted/Non-lighted
Symbol Type
Non-lighted
Lighted
(2) Shape of Selector
Symbol Shape
Rectangular
Square
Round
(3) Number of Notches/Resetting Method
Symbol
Manual
Automatic
Manual
Automatic
CCW-manual,
CW-automatic
CCW-automatic,
CW-manual
2 notches
3 notches
(4) Color of Selector
Symbol Color
Red
Green
Yellow
(6) Contact Configuration
Symbol Type Terminal
SPDT
DPDT
SPDT
DPDT
DPDT
(5) Light Source
Symbol Type
24-V LED
Reset method
No. of notches
Voltage Reduction Unit (24-V Built-in LED)
LED
Symbol Type
No symbol
No symbol
Non-lighted
Square
(24-mm square)
Black
(non-lighted
models only)
Screw-Less
Clamp
PCB
terminal
Solder
terminal
Note: 1. Only DPDT contacts are availa-
ble with 3-notch models and
Screw-Less Clamp models.
2. PCB terminals are available
only with 2-notch models.
Note: 1. Solder terminals are only available with 100-V
models.
2. The Voltage Reduction Unit is not available for
models with PCB terminals.
T1 90 to 121 VAC/VDC 110 VAC/VDC
T2 180 to 242 VAC/VDC 220 VAC/VDC
Rated
voltage
Operating voltage
G-60 Knob-type Selector Switch A165S/W
Subassembled
1. Selector
1. Lighted/Non-lighted
S: Non-lighted
W: Lighted
2. Flange Shape
J: Rectangular
A: Square
T: Round
BA: Square (24-mm square)
3. Number of Notches/Reset Method
2M: 2 notches/Manual
2A: 2 notches/Automatic
3M: 3 notches/Manual
3A: 3 notches/Mixed-operation
3MA: 3 notches
3AM: 3 notches
4. Illumination Color
None: Black (Non-lighted models only)
R: Red
G: Green
Y: Yellow
2. Switch (Same as for Key-type Selector Switches)
1. Number of Notches
2N: 2 notches
3N: 3 notches
2. Contacts
1: SPDT
2: DPDT
3. Lighted/Non-lighted
None: Non-lighted
L: Lighted
4. Terminals
None: Solder terminals (tab terminals #110)
3. Lamp
1. Operating Voltage (Rated Voltage)
LED
5DS: 5 VDC (5 VDC)
12DS:12 VDC (12 VDC)
24DS:24 VDC (24 VDC)
2. Illumination Color
R: Red (LED)
G: Green (LED)
Y: Yellow (LED)
1 2 3 4
A165@-@@@
1 2 3 4
A16S-@-@@@
1 2
A16-@@
Knob-type Selector Switch A165S/W G-61
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 Selector, Lamp (lighted models only), and
Switch.
Solder Terminals
A165@-J (Rectangular) Models
IP65 Oil-resistant
Note: Enter the desired color symbol for the Selector in @: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
A165@-A (Square) Models
IP65 Oil-resistant
Note: Enter the desired color symbol for the Selector in @: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
No. of
notches Output Reset method Lighting method Operating voltage Model
2 notches SPDT LED 24 VDC A165W-J2M@-24D-1
Non-lighted --- A165S-J2M-1
LED 24 VDC A165W-J2A@-24D-1
Non-lighted --- A165S-J2A-1
DPDT LED 24 VDC A165W-J2M@-24D-2
Non-lighted --- A165S-J2M-2
LED 24 VDC A165W-J2A@-24D-2
Non-lighted --- A165S-J2A-2
3 notches DPDT LED 24 VDC A165W-J3M@-24D-2
Non-lighted --- A165S-J3M-2
Manual
Automatic
Manual
Automatic
Manual
No. of
notches Output Reset method Lighting method Operating voltage Model
2 notches SPDT LED 24 VDC A165W-A2M@-24D-1
Non-lighted --- A165S-A2M-1
LED 24 VDC A165W-A2A@-24D-1
Non-lighted --- A165S-A2A-1
DPDT LED 24 VDC A165W-A2M@-24D-2
Non-lighted --- A165S-A2M-2
LED 24 VDC A165W-A2A@-24D-2
Non-lighted --- A165S-A2A-2
3 notches DPDT LED 24 VDC A165W-A3M@-24D-2
Non-lighted --- A165S-A3M-2
Manual
Automatic
Manual
Automatic
Manual
G-62 Knob-type Selector Switch A165S/W
A165@-T (Round) Models
IP65 Oil-resistant
Note: Enter the desired color symbol for the Selector in @: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
No. of
notches Output Reset method Lighting method Operating voltage Model
2 notches SPDT LED 24 VDC A165W-T2M@-24D-1
Non-lighted --- A165S-T2M-1
LED 24 VDC A165W-T2A@-24D-1
Non-lighted --- A165S-T2A-1
DPDT LED 24 VDC A165W-T2M@-24D-2
Non-lighted --- A165S-T2M-2
LED 24 VDC A165W-T2A@-24D-2
Non-lighted --- A165S-T2A-2
3 notches DPDT LED 24 VDC A165W-T3M@-24D-2
Non-lighted --- A165S-T3M-2
Manual
Automatic
Manual
Automatic
Manual
Knob-type Selector Switch A165S/W G-63
Pushbutton
Switches
Ordering Individually
Selectors, Lamps, 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.
Lamp
Lighted Models Non-lighted Models
Selector
Switch
LED only
Solder terminals
(no transformer)
Lighted/non-lighted Lighted/non-lighted
PCB terminals
Selectors with
Knobs
Rectangular Models Square Models Round Models
Note: Temperature rises in incandescent
lamps can cause heat deformation.
G-64 Knob-type Selector Switch A165S/W
Selectors (Oil-resistant IP65 Models Only)
Note: 1. Enter the desired color symbol for the Selector in the @.
2. The selector for non-lighted models is black.
Switches
Appearance Number of
notches Reset method Lighting method Operating
voltage Model Selector color
symbol
2 notches Manual LED 24 VDC A165W-J2M@R (red),
Y (yellow),
G (green)
Non-lighted --- A165S-J2M
LED 24 VDC A165W-J2A@
Non-lighted --- A165S-J2A
3 notches Manual LED 24 VDC A165W-J3M@
Non-lighted --- A165S-J3M
LED 24 VDC A165W-J3A@
Non-lighted --- A165S-J3A
3 notches LED 24 VDC A165W-J3MA@
Non-lighted --- A165S-J3MA
LED 24 VDC A165W-J3AM@
Non-lighted --- A165S-J3AM
2 notches Manual LED 24 VDC A165W-A2M@R (red),
Y (yellow),
G (green)
Non-lighted --- A165S-A2M
LED 24 VDC A165W-A2A@
Non-lighted --- A165S-A2A
3 notches Manual LED 24 VDC A165W-A3M@
Non-lighted --- A165S-A3M
LED 24 VDC A165W-A3A@
Non-lighted --- A165S-A3A
3 notches LED 24 VDC A165W-A3MA@
Non-lighted --- A165S-A3MA
LED 24 VDC A165W-A3AM@
Non-lighted --- A165S-A3AM
2 notches Manual LED 24 VDC A165W-T2M@R (red),
Y (yellow),
G (green)
Non-lighted --- A165S-T2M
LED 24 VDC A165W-T2A@
Non-lighted --- A165S-T2A
3 notches Manual LED 24 VDC A165W-T3M@
Non-lighted --- A165S-T3M
LED 24 VDC A165W-T3A@
Non-lighted --- A165S-T3A
3 notches LED 24 VDC A165W-T3MA@
Non-lighted --- A165S-T3MA
LED 24 VDC A165W-T3AM@
Non-lighted --- A165S-T3AM
Rectangular
(A165@-J)
Automatic
Fully
automatic
Mixed-
operation
Mixed-
operation
Square (A165@-A)
Automatic
Fully
automatic
Mixed-
operation
Mixed-
operation
Round (A165@-T)
Automatic
Fully
automatic
Mixed-
operation
Mixed-
operation
Appearance Classification Model
Lighted Socket (without
voltage-reduction
lighting)
2 notches SPDT Solder terminal A16S-2N-1L
DPDT A16S-2N-2L
3 notches DPDT A16S-3N-2L
Non-lighted 2 notches SPDT A16S-2N-1
DPDT A16S-2N-2
3 notches DPDT A16S-3N-2
Lighted 2 notches SPDT PCB terminal A16S-2N-1LP
DPDT A16S-2N-2LP
Non-lighted SPDT A16S-2N-1P
DPDT A16S-2N-2P
Knob-type Selector Switch A165S/W G-65
Pushbutton
Switches
Lamps
LED
Accessories (Order Separately)
Accessories
Tools
5 VDC 12 VDC 24 VDC
Red A16-5DSR A16-12DSR A16-24DSR
Yellow A16-5DSY A16-12DSY A16-24DSY
Green A16-5DSG A16-12DSG A16-24DSG
Operating voltage
Light color
Name Appearance Classification Model Remarks
Panel Plugs Rectangular A16ZJ-3003 Used for covering the panel cutouts for
future panel expansion.
Degree of protection: IP40
Square A16ZA-3003
Round A16ZT-3003
Name Appearance Model Applicable types Remarks
Pushbutton
Switch Knob-type
Selector
Switch
Key-type
Selector
Switch
Emergency
Stop
Switch
Indicator
Screw Fit-
ting A16Z-3004 Yes Yes Yes Yes Yes Convenient for ganged
installation.
Tighten to a torque of
0.39 N·m min.
Extractor A16Z-5080 Yes Yes Yes Yes Yes Convenient for extract-
ing the Switches and
Lamps.
G-66 Knob-type Selector Switch A165S/W
Specifications
■Approved Standards
Note: cUL: CSA, C22.2 No. 14
■Approved Standard Ratings
UL, cUL (File No. E41515)
5 A at 125 VAC, 3 A at 250 VAC (general use)
3 A at 30 VDC (resistive)
EN60947-5-1 (Low Voltage Directive)
3 A at 250 VAC (AC12), 3 A at 30 VDC (DC12)
■Ratings
Contacts
Minimum applicable load: 1 mA at 5 VDC
Rated values are obtained from tests conducted under the following
conditions.
1. Load: Resistive load
2. Mounting conditions: No vibration and no shock
3. Temperature: 20±2°C
4. Operating frequency: 20 times/min
Super-bright LED
Note: The values in parentheses are for blue Selectors.
■Characteristics
Note: 1. Set and reset constitute one operation.
2. With LED and incandescent lamp not mounted.
Agency Standards File No.
UL, cUL (See note.) UL508 E41515
--- EN60947-5-1 ---
AC resistive load DC resistive load
3 A at 250 VAC
5 A at 125 VAC
3 A at 30 VDC
Rated
voltage Rated current Operating
voltage Internal limiting
resistor
5 VDC 30 mA (15 mA) 5 VDC±5% 33 Ω (68 Ω)
12 VDC 15 mA 12 VDC±5% 270 Ω (560 Ω)
24 VDC 10 mA 24 VDC±5% 1600 Ω (2,000 Ω)
Item Knob-type Selector Switch
Allowable operating
frequency Mechanical 20 operations/minute max.
Electrical 10 operations/minute max.
Insulation resistance 100 MΩ min. (at 500 VDC)
Dielectric strength 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 ter-
minal and ground
1,000 VAC, 50/60 Hz for 1 min between lamp terminals (see note 2)
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms)
Shock resistance Mechanical 500 m/s2
Malfunction 150 m/s2 max. (malfunction within 1 ms)
Durability Mechanical 250,000 operations min.
Electrical 100,000 operations min.
Ambient temperature Operating: −10°C to 55°C (with no icing or condensation)
Storage: −25°C to 65°C (with no icing or condensation)
Ambient humidity Operating: 35% to 85%
Electric shock protection class Class II
PTI (tracking characteristic) 175
Degree of contamination 3 (IEC947-5-1)
Weight Approx. 13 g (in the case of a lighted DPDT switch)
Knob-type Selector Switch A165S/W G-67
Pushbutton
Switches
Screw-less Clamp
■Operating Characteristics
■Operation Angle
■Contact Form
Item Screw-less Clamp
Recommended wire size 0.5 mm2 twisted wire or 0.8 mm-dia. solid wire
Usable wires and ten-
sile strength
Twisted wire 0.3mm20.5 mm20.75 mm21.25 mm2
Solid wire 0.5 mm dia. 0.8 mm dia. 1.0 mm dia. ---
Tensile strength 10 N 20 N 30 N 40 N
Length of exposed wire 10 ±1 mm
Type
Features
Knob-type Selector Switch
2 notches 3 notches
Operating force (OF) max. 9.8 N·m
Set position (SP) 90±5°45+10°
0
Two notches Three notches
2. FP: Free Position
Note: 1. The angle used for automatic reset is shown in parentheses.
Name Contact
SPDT
COM
NC
NO
SW2 SW1
Notch Contact
SPDT DPDT
Position SW Position SW2 SW1
2 notches
3 notches ---
G-68 Knob-type Selector Switch A165S/W
Nomenclature
Flange Shape
Color of Selector
• LED models
Red, green, yellow
• Non-lighted models
Black
Switch Specifications
Number of Notches and Reset Method
Square (A165@-A)
Round (A165@-T)
Rectangular (A165@-J)
Terminal Type
Protective Structure
• Oil-resistant IP65
Lighting Method
Selector
Switch
Lamp
• PCB terminals
• Solder terminals
(tab terminals #110)
• Standard Loads
5 A at 125 VAC
5 A at 250 VAC
3 A at 30 VDC
Minimum applicable load: 1 mA at 5 VDC
• 3 Notches
Manual reset
Automatic reset
• 2 Notches
Manual reset
Automatic reset
• Non-lighted models
• Lighted (LED) models
(The upper face of the knob is illuminated.)
Knob-type Selector Switch A165S/W G-69
Pushbutton
Switches
Dimensions
Note: All units are in millimeters unless otherwise indicated.
■Knob-type Selector Switches without Voltage Reduction Unit
Solder terminals (tab terminals #110)
Solder terminals (tab terminals #110)
Solder terminals (tab terminals #110)
Note: See page 14 for panel cutouts.
Note: See page 14 for panel cutouts.
Note: See page 14 for panel cutouts.
Lamp terminal
Packing (t0.5) Lock ring
Mounting nut
Model, standard, lot No., serial number
Lamp terminal
Model, standard, lot No., serial number
Packing (t0.5) Lock ring
Mounting nut
Lamp terminal
Model, standard, lot No., serial number
Lock ring
Mounting nut
Packing (t0.5)
Rectangular
A165@-J
Square
A165@-A
Round
A165@-T
G-70 Knob-type Selector Switch A165S/W
The following diagrams show the rectangular model as a representative example. The lamp terminal is also provided with non-lighted models.
PCB terminals
Screw-Less Clamp
Note: See page 14 for panel cutouts.
Lamp terminal
Packing (t0.5)
Lock ring
Mounting ring
Direction-indication arrow
Selector
Lock ring Mounting ring
Switch
Case
Switch dismounting lever Lock ring
Mounting ring
Rectangular
A165@-J
Rectangular
A165W@-T
Reduced-voltage light-
ing, solder terminals
(tab terminals #110)
Packing (t0.5)
(for oil-resistant IP65 only)
Rectangular
A165@-2S
Packing (t0.5)
(for oil-resistant IP65 only)
Knob-type Selector Switch A165S/W G-71
Pushbutton
Switches
■Terminal Arrangement
Models with Solder Terminals without Reduced-voltage Lighting
Lamp terminals are not provided with the Non-lighted Knob-type Selector Switches and Key-type Selector Switches.
Models with PCB Terminals
Note: For details of the terminal arrangement for Screw-Less Clamps, refer to the corresponding section for the A16.
Lighted SPDT Switches Lighted DPDT Switches
Lamp terminal Lamp terminal
Non-lighted SPDT Switches Non-lighted DPDT Switches
Dimensions of
Terminal Holes
Terminal Arrangement
(Bottom View)
Note: The L+ is not shown
on the Switch.
Dimensions of
Terminal Holes
Terminal Arrangement
(Bottom View)
Note: The L+ is not shown
on the Switch.
Dimensions of
Terminal Holes
Side with TOP
indicated
Terminal Arrangement
(Bottom View)
Dimensions of
Terminal Holes
Side with TOP
indicated
Terminal Arrangement
(Bottom View)
Lighted SPDT Switches Lighted DPDT Switches
Lamp terminal (t=0.5)
Side with TOP indicated
Eight, 1 dia.
Two, 5 dia.
Lamp terminal (t=0.5)
Side with TOP indicated
Eight, 1 dia.
Two, 5 dia.
Dimensions of
PCB Terminals
Model, rating, and lot
number indication
Terminal Arrangement
(Bottom View)
Side with TOP
indicated
PCB Cutouts
(Bottom View)
Dimensions of
PCB Terminals
Terminal Arrangement
(Bottom View)
Side with TOP
indicated
PCB Cutouts
(Bottom View)
G-72 Knob-type Selector Switch A165S/W
Non-lighted Models with PCB Terminals
Lamp terminals are not provided with the Non-lighted Knob-type Selector Switches and Key-type Selector Switches.
■Panel Cutouts
Models with Solder Terminals
Non-lighted SPDT Switches Non-lighted DPDT Switches
Side with TOP indicated
Side with TOP indicated
Side with TOP indicated
Three, 1 dia.
Two, 5 dia.
Side with TOP indicated
Six, 1 dia.
Two, 5 dia.
Dimensions of
PCB Terminals
Model, rating, and lot
number indication
Terminal Arrangement
(Bottom View)
PCB Cutouts
(Bottom View)
Dimensions of
PCB Terminals
PCB Cutouts
(Bottom View)
(Top View) (Top View)
Note: 1. Make sure the thickness of the mounting panel is 0.5 to 3.2 mm.
2. If the panel is to be finished with coating, etc., make sure that the panel meets the specified dimensions after coating.
24 min.
19 min.
16+0.2 dia.
0
19 min.
19 min.
Rectangular
A165@-J
Square A165@-A
Round A165@-T
16+0.2 dia.
0
Knob-type Selector Switch A165S/W G-73
Pushbutton
Switches
Models with PCB Terminals
Installation
For details on mounting the Switch to a panel, and mounting and dismounting the Switch, refer to installation details for the A16 Pushbutton Switch.
■Panel Mounting
Refer to the Installation section for the A16.
■Mounting and Replacing the
Pushbutton
Refer to the Installation section for the A16.
■Flange Rotation
A165 Knob-type Selector Switch
Fix the Switch screw and rotate the flange in 45° turns.
Precautions
Refer to the Technical Information for Pushbutton Switches (Cat. No. A143) and the Precautions section for the A16.
(Top View) (Top View)
24 min.
24 min.
16+0.2 dia.
0
24 min.
25 min.
Recommended panel thickness: 0.5 to 3.2 mm
25 min.
Recommended panel thickness: 0.5 to 3.2 mm
Rectangular
A165@-J
Square A165@-A
Round A165@-T
Rectangular
A165W@-T
Rectangular
A165@-2S
16+0.2 dia.
0
16+0.2 dia.
0
33 min.
(Dimension A)
16+0.2 dia.
0
23 min.
(Dimension A)
Note: 1. Ensure that the variation in the distance between the centers of neighboring mounting holes is less than ±0.1 mm.
3. If the panel is to be finished with coating, etc., make sure that the panel meets the specified dimensions after coating.
2. Make sure the thickness of the mounting panel is 0.5 to 3.2 mm. If, however, a Switch Guard or Dust Cover is used, the
thickness of the mounting panel must be 0.5 to 2 mm.
24 min.
Flange
Lock ring
Switch screw
G-74 Knob-type Selector Switch A165S/W
In the interest of product improvement, specifications are subject to change without notice.
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. A125-E1-02
