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Knob-type Selector Switch (Detachable) (Cylindrical 16-dia.)
A165S/W
CSM_A165S_W_DS_E_4_3
Separate Construction with Cylindrical
16-dia. Body
• Same separate construction as the A16-series Pushbuttons with
Miniature Design of 28.5 mm
• The same contacts can be used for both standard loads and
microloads.
• Oil-resistant IP65 models
• Conforms to EN60947-5-1.
Refer to Safety Precautions for All Pushbutton Switches/
Indicators and Safety Precautions on page 15.
List of Models
Model
Rectangular
Solder
terminals
Voltagereduction
lighting
Screwless
clamp
connector
Square
Round
A165@-J Series
A165@-A Series
A165@-T Series
A165@-J Series
A165@-A Series
A165@-T Series
A165@-J Series
A165@-A Series
A165@-T Series
1
A165S/W
Model Number Structure
Model Number Legend ..... The model numbers used to order sets of Units are illustrated below. One set comprises the Selector, Lamp
(lighted models only), and Switch.
For information on combinations, refer to Ordering Information on page 3.
(1)
(2) (3)
(4)
(5)
(6)
A165W - A 2A R - 24D - 1
(6) Contact Configuration
Symbol
1
2
1P
2P
2S
(1) Lighted/
Non-lighted
Symbol
S
W
Type
Nonlighted
Lighted
(2) Shape of
Selector
Symbol
J
A
T
Shape
Rectangular
Square
Round
(3) Number of Notches/
Resetting Method
Symbol
No. of
notches
2M
2 notches
2A
No
symbol
Automatic
R
G
Y
Solder terminal
PCB terminal
Screw-less Clamp
Color
Black
(non-lighted
models only)
Red
Green
Yellow
(5) Light Source
Symbol
No symbol
24D
Type
Non-lighted
24-V LED
Manual
3M
3 notches
3A
Symbol
Terminal
Note: 1. Only DPDT contacts are available with
3-notch models and Screw-less Clamp
models.
2. PCB terminals are available only with
2-notch models.
(4) Color of Selector
Reset
method
Manual
Type
SPDT
DPDT
SPDT
DPDT
DPDT
Voltage Reduction Unit (24-V Built-in LED)
Automatic
Symbol Type
T1
LED
T2
Operating voltage
100/110 VAC/VDC
200/220 VAC/VDC
Rated voltage
110 VAC/VDC
220 VAC/VDC
Note: 1. Solder terminals are only available with 100-V models.
2. The Voltage Reduction Unit is not available for models with
PCB terminals.
3. "T2" is available only for the Screw-less Clamp type.
2
A165S/W
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
Selector, Lamp (lighted models only), and Switch.
Solder Terminals
Rectangular
A165@-J
Oil-resistant IP65
No. of notches
Output
Reset method
Manual
SPDT
Automatic
2 notches
Manual
DPDT
Automatic
3 notches
DPDT
Manual
Lighting method
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
Model
A165W-J2M@-24D-1
A165S-J2M-1
A165W-J2A@-24D-1
A165S-J2A-1
A165W-J2M@-24D-2
A165S-J2M-2
A165W-J2A@-24D-2
A165S-J2A-2
A165W-J3M@-24D-2
A165S-J3M-2
Note: Enter the desired color symbol for the Selector in @: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
Square
A165@-A
Oil-resistant IP65
No. of notches
Output
Reset method
Manual
SPDT
Automatic
2 notches
Manual
DPDT
Automatic
3 notches
DPDT
Manual
Lighting method
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
Model
A165W-A2M@-24D-1
A165S-A2M-1
A165W-A2A@-24D-1
A165S-A2A-1
A165W-A2M@-24D-2
A165S-A2M-2
A165W-A2A@-24D-2
A165S-A2A-2
A165W-A3M@-24D-2
A165S-A3M-2
Note: Enter the desired color symbol for the Selector in @: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
Round
A165@-T
Oil-resistant IP65
No. of notches
Output
Reset method
Manual
SPDT
Automatic
2 notches
Manual
DPDT
Automatic
3 notches
DPDT
Manual
Lighting method
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
Model
A165W-T2M@-24D-1
A165S-T2M-1
A165W-T2A@-24D-1
A165S-T2A-1
A165W-T2M@-24D-2
A165S-T2M-2
A165W-T2A@-24D-2
A165S-T2A-2
A165W-T3M@-24D-2
A165S-T3M-2
Note: Enter the desired color symbol for the Selector in @: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
3
A165S/W
Ordering Information
Ordering Individually ......... Selectors, Lamps, and Switches 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.
Selector (Listed on Page 5.)
Rectangular Models
Square Models
Round Models
Lighted Models
Non-lighted Models
Lamp
LED only
Note: Temperature rises in incandescent
lamps can cause heat deformation.
Switch (Listed on Page 7.)
Solder terminals
(no transformer)
Lighted/non-lighted
PCB terminals
Lighted/non-lighted
Note: Switch Units that combine a Lamp and a Switch are also available.
4
A165S/W
Ordering Information
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.
Selectors (Oil-resistant IP65 Models Only)
Appearance
Number of
notches
Rectangular
(A165@-J)
Reset method
Manual
2 notches
Automatic
Manual
3 notches
Square
(A165@-A)
Fully
automatic
Manual
2 notches
Automatic
Manual
3 notches
Round
(A165@-T)
Fully
automatic
Manual
2 notches
Automatic
Manual
3 notches
Fully
automatic
Lighting method
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
LED
Non-lighted
Model
A165W-J2M@
A165S-J2M
A165W-J2A@
A165S-J2A
A165W-J3M@
A165S-J3M
A165W-J3A@
A165S-J3A
A165W-A2M@
A165S-A2M
A165W-A2A@
A165S-A2A
A165W-A3M@
A165S-A3M
A165W-A3A@
A165S-A3A
A165W-T2M@
A165S-T2M
A165W-T2A@
A165S-T2A
A165W-T3M@
A165S-T3M
A165W-T3A@
A165S-T3A
Selector color
symbol
Enter the desired color
symbol for the Selector in @.
R (red),
Y (yellow),
G (green)
Enter the desired color
symbol for the Selector in @.
R (red),
Y (yellow),
G (green)
Enter the desired color
symbol for the Selector in @.
R (red),
Y (yellow),
G (green)
Note: The selector for non-lighted models is black.
5
A165S/W
Ordering Information
Sets .............................................. Select an Operation Unit and a Switch Unit (Lamp and Switch).
Operation Unit Set with Knob-type Selector Switch
Rectangular Models
Square Models
Round Models
Lighted Models
Lighted/Non-lighted Models
Switch Unit with Voltage-reduction Lighting
Switch Unit with Screw-less Clamp Connectors
Lamp
Voltagereduction
Lighting
Lamp
Lighted/
Non-lighted
Models
Note: The LED has a 24-VAC/VDC circuit
built in.
Note: Non-lighted models do not include a
Lamp.
Switch Units (A Switch Unit includes a Switch and a Lamp.)
Appearance
Number of notches
Classification
2 notches
SPDT
DPDT
3 notches
DPDT
24 V
Solder terminals
Model
A16W-2N@-24D-1
A16W-2N@-24D-2
A16W-3N@-24D-2
Switch Units with Voltage Reduction Units (Solder Terminals)
Appearance
Classification
2 notches
Standard loads and
microloads
2 notches
3 notches
Operating voltage
SPDT
A16L-@-T1-1
100/110 VAC/VDC
DPDT
Model
A16L-@-T1-2
A16W-3N@-T1-2
Note: The LED has a 24-VAC/VDC circuit built in.
Insert one of the following letters into the box (@).
Symbol
R
Y
G
Light color
Red
Yellow
Green
6
A165S/W
Ordering Information
Switch Units with Screw-less Clamp Connectors
Appearance
Standard
loads and
microloads
Classification
Non-lighted
No voltage-reduction lighting
100/110 VAC/VDC
Lighted
Voltage-reduction
lighting
200/220 VAC/VDC
Non-lighted
No voltage-reduction lighting
Lighted
100/110 VAC/VDC
Voltage-reduction
lighting
200/220 VAC/VDC
2 notches
DPDT
3 notches
DPDT
Note: The 100-V models and 200-V models have a 24-VAC/VDC
circuit built in.
Ordering Individually
Insert symbols in Δ and @.
Δ
Symbol
Light color
R
Red
Y
Yellow
G
Green
Model
A16-2S
A16L-Δ-@-2S
A16L-Δ-T1-2S
A16L-Δ-T2-2S
A16S-3N-2LS
A16W-3NΔ-@-2S
A16W-3N-Δ-T1-2S
A16W-3N-Δ-T2-2S
@
Symbol
5D
12D
24D
Remarks
Used for Pushbutton
Switches and
Knob-type Selector
Switches.
Type
Operating voltage
5 VDC
12 VAC/VDC
24 VAC/VDC
LED
Switches
Appearance
Classification
SPDT
DPDT
DPDT
SPDT
DPDT
DPDT
SPDT
DPDT
SPDT
DPDT
2 notches
Lighted
3 notches
Switches (without
voltage-reduction
lighting)
Non-lighted
2 notches
3 notches
Lighted
2 notches
Non-lighted
Model
A16S-2N-1L
A16S-2N-2L
A16S-3N-2L
A16S-2N-1
A16S-2N-2
A16S-3N-2
A16S-2N-1LP
A16S-2N-2LP
A16S-2N-1P
A16S-2N-2P
Solder terminal
PCB terminal
Lamps
Operating voltage
Super-bright
5 VDC
Light color
Red
Yellow
Green
12 VAC/VDC
A16-5DSR
A16-5DSY
A16-5DSG
A16-12DSR
A16-12DSY
A16-12DSG
24 VAC/VDC
A16-24DSR
A16-24DSY
A16-24DSG
Accessories and Tools (Order Separately)
Accessories
Name
Appearance
Panel Plugs
Classification
Rectangular
Model
A16ZJ-3003
Square
A16ZA-3003
Round
A16ZT-3003
Remarks
Used for covering the panel cutouts for future panel expansion.
Degree of protection: IP40
Tools
Name
Appearance
Model
Pushbutton
Switch
Applicable types
Knob-type
Key-type
Emergency
Selector Switch Selector Switch Stop Switch
Remarks
Indicator
Screw Fitting
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
extracting the
Switches and Lamps.
Ordering as a Set: Refer to page 3.
■ Specifications and dimensions: Refer to pages 8 to 10.
■ Accessories, replacements, and tools: Refer to this page
7
A165S/W
Specifications
Approved Standard Ratings
UL, cUL (File No. E41515)
TÜV (EN60947-5-1) (Low Voltage Directive)
CCC (GB14048.5)
5 A at 125 VAC, 3 A at 250 VAC (general use)
3 A at 30 VDC (resistive)
3 A at 250 VAC
3 A at 30 VDC
5 A at 125 VAC
3 A at 250 VAC
3 A at 30 VDC
Note: Certification has been obtained for the Switch.
For detailed information on individual products that
have received certification, consult your supplier.
Ratings
Switch Ratings
Contact Form
Rated voltage
125 VAC
250 VAC
30 VDC
Resistive load
5A
3A
3A
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
Name
Contact form
NC
SPDT
COM
NO
Super-bright LED
Rated
voltage
Rated
current
Operating
voltage
5 VDC±5%
5 VDC
12 VAC/VDC
8 mA
12 VAC/VDC±5%
24 VAC/VDC
24 VAC/VDC±5%
Internal limiting
resistor
Red, yellow: 300 Ω
Green: 160 Ω
Red, yellow: 1 kΩ
Green: 910 Ω
2.4 kΩ
Characteristics
Socket Unit
Item
Screw-less Clamp
Type
Knob-type Selector Switch
Allowable Mechanical
operating
frequency Electrical
20 operations/minute max.
Insulation resistance
100 MΩ min. (at 500V DC)
Contact resistance
100 mΩ max. (initial value)
Between terminals of same
polarity
Dielectric
strength
10 operations/minute max.
1,000 VAC, 50/60 Hz for 1 min
Between terminals of dif- 2,000 VAC, 50/60 Hz for 1 min
ferent polarity
Between each
terminal and
ground
2,000 VAC, 50/60 Hz for 1 min
Between lamp
terminals
1,000 VAC, 50/60 Hz for 1 min*
Vibration
Malfunction
resistance
10 to 55 Hz, 1.5-mm double amplitude
(malfunction within 1 ms)
Destruction
Shock
resistance Malfunction
500 m/s2 max.
Durability
2
150 m/s max.
(malfunction within 1 ms)
Mechanical
250,000 operations min.
Electrical
100,000 operations min.
Electric shock protection
class
Item
Type
Recommended
wire size
Usable
wires
and
tensile
strength
Twisted
wire
Solid
wire
Tensile
strength
Screw-less Clamp
0.5 mm2 twisted wire or 0.8 mm-dia. solid wire
0.3 mm2
0.5 mm2
0.5 mm dia. 0.8 mm dia. 1.0 mm dia.
10 N
20 N
Length of exposed
wire
Compliant
standards
0.75 mm2
30 N
1.25 mm2
--40 N
10 ±1 mm
JIS C 2811 Terminal Blocks for Industrial Use
Operating Characteristics
Characteristics
Type
Knob-type Selector Switch
2 notches
Operating torque (OF) max.
Set position (SP)
3 notches
0.1 N·m
90±5°
45° +100
Class II
PTI (tracking characteristic) 175
Degree of contamination
3 (IEC60947-5-1)
Weight
Approx. 13 g
(in the case of a lighted DPDT switch)
Ambient operating
temperature
−10°C to 55°C
(with no icing or condensation)
Ambient operating
humidity
35% to 85%RH
Ambient storage
temperature
−25°C to 65°C
(with no icing or condensation)
* With LED not mounted.
(Perform testing with the LED not mounted.)
8
A165S/W
Specifications
Operation Angle
Contact Form
Two notches
Three notches
(75°)
(45°)
45°
90°
FP
FP
(45°)
45°
Contact from
No. of
SPDT
DPDT
notches PosiPosiSW
SW2 SW1
tion
tion
2 notches
Note: The angle used for automatic reset is
shown in parentheses.
FP: Free Position
3 notches --SW2
SW1
Nomenclature
Model structure
Selector
●Flange Shape
Rectangular
(A165@-J)
●Color of Selector
· LED models
Red Yellow Green
· Non-lighted models
Black
●Lighting Method
· Lighted (LED) models
(The upper face of the
knob is illuminated.)
· Non-lighted models
Square
(A165@-A)
Round
(A165@-T)
●Number of Notches and Reset Method
· 2 Notches: Manual reset, Automatic reset
· 3 Notches: Manual reset, Automatic reset
●Protective
Structure
Oil-resistant IP65
Switch
●Switch Specifications
5 A at 125 VAC
5 A at 250 VAC
3 A at 30 VDC
Minimum applicable load:
1 mA at 5 VDC
●Terminal Type
Solder terminals
PCB terminals
The flange can be rotated to easily change the
operation angle of the knob.
For information on rotating the flange, refer to page 14.
Example: Knob-type Selector Switch with Two Notches
FP
(75°)
90°
90°
90°
(Standard condition when shipped)
Note: The angle is 75° for self-resetting models.
9
A165S/W
Dimensions
• The Dimension shows 2-switch outputs.
(Unit: mm)
• The lamp terminal is not provided with non-lighted models.
Rectangular A165@-J
Solder terminals (tab terminals #110)
M16×1
12.2
4
18
Lamp terminal
10.8
9.5
21.1
28.5
18.5
24
6
4.85 12.4 15.8
18
Model, ratings, standard
Mounting nut
Packing (t0.5)
Note: See page 12 for panel cutouts.
Lock ring
M16×1
Square A165@-A
Solder terminals (tab terminals #110)
12.2
4
18
Lamp terminal
10.8
9.5
18
6
21.1
28.5
18.5
4.85 12.4 15.8
18
Model, ratings, standard
Mounting nut
Packing (t0.5)
Note: See page 12 for panel cutouts.
Lock ring
Round A165@-T
Solder terminals (tab terminals #110)
M16×1
12.2
4
18
Lamp terminal
10.8
9.5
18
6
18.5
21.1
28.5
4.85 12.4 15.8
18
Model, ratings, standard
Note: See page 12 for panel cutouts.
Packing (t0.5)
Mounting nut
Lock ring
10
A165S/W
Dimensions
• The Dimension shows 2-switch outputs.
(Unit: mm)
• A rectangular model is listed as an example.
M16×1
Rectangular A165@-J
PCB terminals
18.4 20.4
0.5
9.5
24
6
18.5
• The lamp terminal is not
also provided with nonlighted models.
6.3
4
10.8
21.1
28.3
18
4.85 12.4 18.6
0.5
Mounting nut
Note: See page 12 for panel cutouts.
Rectangular A165W@-T
Reduced-voltage lighting
solder terminals
(tab terminals #110)
Packing (t0.5)
Lock ring
50.1
42.7
18.5
9.5
28.5
21.1
10.8
Panel Cutouts
4
0.5
Direction-indication arrow
0.5
Selector
16 +0.2
0 dia.
24 min.
12.2
9.8
18
0.5
M16×1
23 min.
Case
Packing (t0.5)
6
Lock ring
Mounting nut
Switch
(22.4)
20.6
18
8.8 16.6
2.8 12.4
2.8
24
Rectangular A165@-2S
Screw-Less Clamp
18.5
9.5
48.9
Panel Cutouts
10.8
4
2
24
23.9
16 +0.2
0 dia.
25 min.
M16×1
6
Switch dismounting lever
Lock ring
33 min.
Mounting nut
• The lamp terminal is
also provided with nonlighted models.
(31.7) 27.4
18
24
23.5
Packing (t0.5)
11
A165S/W
Dimensions
(Unit: mm)
Panel Cutouts
Models with Solder Terminals and Models with Screw-less Clamp Connectors
Rectangular A165@-J
Square A165@-A, Round A165@-T
(Top View)
+0.2
16 0
(Top View)
16
24 min.
(25 min.)
dia.
+0.2
0
dia.
19 min.
(25 min.)
19 min.
(33 min.)
19 min.
(33 min.)
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.
3. Figures in parentheses are for screw-less clamp connectors.
Models with PCB Terminals
Rectangular A165@-J
Square A165@-A, Round A165@-T
(Top View)
(Top View)
16
+0.2
0
dia.
24 min.
16
9.1±0.05
+0.2
0
dia.
24 min.
9.1±0.05
14.7±0.05 dia.
14.7±0.05 dia.
24 min.
5.1±0.05
24 min.
5.1±0.05
Note: 1. Ensure that the variation in the distance between the centers of neighboring mounting holes is less than ±0.1 mm.
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.
3. If the panel is to be finished with coating, etc., make sure that the panel meets the specified dimensions after coating.
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.)
Lighted SPDT Switches
Lighted DPDT Switches
Terminal Arrangement
(Bottom View)
Dimensions of
Terminal Holes
NC
2.6
0.9
Terminal Arrangement
(Bottom View)
Dimensions of
Terminal Holes
2.6
0.9
COM
1.5
2.8
18
Note: The L+ is not shown
on the Switch.
1.5
2.8
12.2
Lamp terminal
Non-lighted SPDT Switches
18
COM
SW1
SW2
Note: The L+ is not shown
on the Switch.
Terminal Arrangement
(Bottom View)
Side with TOP
indicated
Side with TOP
indicated
Dimensions of
Terminal Holes
Dimensions of
Terminal Holes
1.5
2.8
NO
COM
Non-lighted DPDT Switches
Terminal Arrangement
(Bottom View)
2.6
0.9
NC
L-
NO
7.4
SW1
12.2
Lamp terminal
NC
L-
NO
7.4
7.4
2.6
0.9
NC
12.2
18
NO
COM
SW1
1.5
2.8
7.4
NC
12.2
18
NC
NO
NO
COM
COM
SW1
SW2
12
A165S/W
Dimensions
(Unit: mm)
Models with PCB Terminals
Lighted SPDT Switches
Model, rating, and lot
number indication
Dimensions of
PCB Terminals
Lighted DPDT Switches
Terminal Arrangement
(Bottom View)
Terminal Arrangement
(Bottom View)
Dimensions of
PCB Terminals
Side with TOP
indicated
Side with TOP
indicated
5.3
5.3
3.5
NC
1.5
3.5
L-
NC
1.5
NO
COM
0.8
SW1
4.85
2.7
0.8
4.85
2.7
18.6
Lamp terminal (t=0.5)
PCB Cutouts
(Bottom View)
NO
COM
COM
SW1
SW2
18.6
PCB Cutouts
(Bottom View)
Side with TOP indicated
Side with TOP indicated
A±0.1
12.4±0.05
20±0.1
NC
12.4
12.4
Lamp terminal (t=0.5)
L-
NO
12.4±0.05
20±0.1
4.85±0.05
L±0.1
Five, 1 dia.
6.3±0.05
A±0.1
Two, 5 dia.
A = 24 min.: Rectangular
A = 21 min.: Square/Round
L = 24 min.
Use t = 1.6 for the PCB.
4.85±0.05
6.3±0.05
6.3±0.05
L±0.1
Two, 5 dia.
A = 24 min.: Rectangular
A = 21 min.: Square/Round
L = 24 min.
Use t = 1.6 for the PCB.
Eight, 1 dia.
Note: Secure the panel to the board using stud bolts if force will
be applied to the board after wiring.
Note: Secure the panel to the board using stud bolts if force will
be applied to the board after wiring.
Note: For details of the terminal arrangement for Screw-Less Clamps, refer to the corresponding section for the A16.
13
A165S/W
Dimensions
(Unit: mm)
Non-lighted Models with PCB Terminals (Lamp terminals are not provided with the Non-lighted Knob-type Selector
Switches and Key-type Selector Switches.)
Non-lighted SPDT Switches
Dimensions of
PCB Terminals
Non-lighted DPDT Switches
Terminal Arrangement
(Bottom View)
Model, rating, and lot
number indication
Side with TOP
indicated
5.3
Terminal Arrangement
(Bottom View)
Dimensions of
PCB Terminals
Side with TOP
indicated
5.3
NC
NC
3.5
3.5
NO
1.5
1.5
COM
SW1
0.8
12.4
2.7
0.8
NO
COM
COM
SW1
SW2
12.4
2.7
18.6
18.6
PCB Cutouts
(Bottom View)
Side with TOP indicated
NC
NO
PCB Cutouts
(Bottom View)
Side with TOP indicated
A±0.1
20±0.1
A±0.1
20±0.1
12.4±0.05
12.4±0.05
L±0.1
Three, 1 dia.
6.3±0.05
Two, 5 dia.
A = 24 min.: Rectangular
A = 21 min.: Square/Round
L = 24 min.
Use t = 1.6 for the PCB.
6.3±0.05
6.3±0.05
L±0.1
Two, 5 dia.
A = 24 min.: Rectangular
A = 21 min.: Square/Round
L = 24 min.
Use t = 1.6 for the PCB.
Six, 1 dia.
Note: Secure the panel to the board using stud bolts if force will
be applied to the board after wiring.
Note: Secure the panel to the board using stud bolts if force will
be applied to the board after wiring.
For details on mounting the Switch to a panel, and mounting and dismounting the Switch, refer to
installation details for the A16 Pushbutton Switch.
Flange Rotation (All Selector Switches)
A165 Knob-type Selector Switch
A165 Key-type Selector Switch
Fix the Switch screw and rotate the flange in
45° turns.
Fix the Switch screw and rotate the flange in
45° turns.
Flange
Flange
Lock ring
Lock ring
Switch screw
Switch screw
14
A165S/W
Safety Precautions
Refer to Safety Precautions for All Pushbutton Switches/Indicators.
WARNING
Always turn OFF the power and wait for 10 minutes
before replacing the incandescent lamp. If the lamp is
replaced immediately after the power is turned OFF,
the remaining heat may cause burns.
Precautions for Correct Use
Mounting
• Always make sure that the power is turned OFF before mounting,
removing, or wiring the Switch, or performing maintenance.
• Do not tighten the mounting nut more than necessary using tools
such as pointed-nose pliers. Doing so will damage the mounting
nut.
The tightening torque is 0.29 to 0.49 N·m.
Using the Microload
• Insert a contact protection circuit, if necessary, to prevent the
reduction of life expectancy due to extreme wear on the contacts
caused by loads where inrush current occurs when the contact is
opened and closed.
• 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 load, the contact surface will become rough, and the
opening and closing of the contact for a microload may become
unreliable.
• The minimum applicable load is the N-level reference value. This
value indicates the malfunction reference level for the reliability
level of 60% (λ 60) (conforming to JIS C5003).
The equation, λ 60 = 0.5 × 10-6/operations indicates that the
estimated malfunction rate is less than 1/2,000,000 operations with
a reliability level of 60%.
Voltage (V)
Do not apply a voltage between the incandescent
lamp and the terminal that is greater than the rated
voltage. If the incandescent lamp is broken, the
operating part may pop out.
Wiring
• Solder terminals and quick-connect terminals (#110) are commonly
used for terminals.
• Be sure to use electrical wires that are a size appropriate for the
applied voltage and carry current (conductor size is 0.5 to 0.75
mm2). Perform soldering according to the conditions provided
below. If the soldering is not properly performed, the lead wires will
become detached, resulting in short-circuits.
1. Hand soldering: 350°C, within 3 s
2. Dip soldering: 350°C, within 3 s
Wait for one minute after soldering before exerting any external
force on the solder.
• Use non-corrosive resin fluid as the flux.
• Make sure that the electric cord is wired so that it does not touch
the Unit. If the electric cord touches the Unit, then electric wires with
a heat resistance of 100°C min. must be used.
• After wiring the Switch, maintain an appropriate clearance and
creepage distance.
Operating Environment
• The IP65 model is designed with a degree of protection so that it
will not sustain damage if it is subjected to water from any direction
to the front of the panel.
0.15 mA
30
24
Microload area
12
Invalid
area
5
1 mA
0
0.1
1
10
100
1,000
Current (mA)
LED
• The LED current-limiting resistor is built-in, so external resistance
is not required.
Rated voltage
5 VDC
12 VAC/VDC
24 VAC/VDC
Internal limiting resistor
Red, yellow: 300 Ω
Green: 160 Ω
Red, yellow: 1 kΩ
Green: 910 Ω
2.4 kΩ
15
A165S/W
Others
• The oil-resistant IP65 uses NBR rubber and is resistant to general
cutting oil and cooling oil. Some particular oils cannot be used with
the oil-resistant IP65, however, so contact your OMRON
representative for details.
• If the panel is to be finished with coating, etc., make sure that the
panel meets the specified dimensions after the coating.
• Do not subject the Switch to extreme shock or vibration. Doing so
will cause malfunctions and damage to the Switch.
Do not let sharp objects come into contact with the Switches that
are made of resin. Doing so will damage the Switches, causing
scratches on the outside of the operating parts, and malfunction.
When handling the Switches, do not throw or drop them.
Do not allow the Switch
to drop and hit the
ground.
Do not place or drop
heavy objects on the
Switch.
Do not operate the Switch
with hard or sharp objects.
Hammer
Screwdriver
16
Terms and Conditions Agreement
Read and understand this catalog.
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you
have any questions or comments.
Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty,
repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products
were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate
modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall
not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or
electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; Etc.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
Suitability of Use.
Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself
is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine,
system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product
with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications.
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our
practice to change part numbers when published ratings or features are changed, or when significant construction changes are
made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2015.9
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2015 All Right Reserved.
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