Document Outline
- First Page
- Ordering Information
- Specifications
- Dimensions
- Contact Omron
Economical Thumbwheel Switch with
Space-Saving Mount
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Cost effectiveness and improved reliability
achieved through insert-molding and fewer
component parts
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Mounting space reduced to 85% of that of
conventional switches to save space
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Plastic spring with minimal fatigue and a
mechanical service life of 30,000 steps or
operations
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Front mount, rear mount, and types with
stopper pins are available
Thumbwheel Switch
A7D
Ordering Information
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SWITCH UNITS
Part number
PC board
Screw mounting (back mounting)
One-touch mounting (front mounting)
Output code
Light gray case
Black case
Light gray case
Black case
06 (binary code)
A7D-106
A7D-106-1
A7D-206
A7D-206-1
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ACCESSORIES
Part number
For screw mounting (back mounting)
For one-touch mounting (front mounting)
Accessory
Light gray
Black
Light gray
Black
End Cap
A7D-1M
A7D-1M-1
A7D-2M
A7D-2M-1
Spacer
A7D-1P
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A7D-1P
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-1
A7D-2P
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A7D-2P
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-1
Note: 1. When placing your order, please specify the model numbers and quantities of required switch units, end caps, and spacers, respectively.
(Note that switch units and accessories are not factory-assembled for shipment.)
2. Types with stopper pins are also available. When placing orders for those, specify the stopper range in the two blank frames of the type
number as follows:
A7D-106-S
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(-1)
A7D-206-S
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(-1)
Example: A7D-106-S06... (The case color is light grey.)
Specify the stopper range 0 to 6 in two digits with the first digit always 0.
3. One of the following alphabetic codes must be filled into the boxed part of the model number to specify a legend to be hot stamped on
the required spacer.
4. End caps come as a set -- left and right.
Code
Legend
Code
Legend
Code
Legend
A
Hot stamp
F
kg
L
PCS
not required
B
SEC
G
mm
P
day
C
MIN
H
cm
Q
x 10 SEC
D
H
J
m
T
0
E
g
K
o
C
U
227
A7D
A7D
228
Specifications
Switching capacity
1 mA to 0.1 A, 5 to 30 VDC (resistive load)
Carry current
100 mA
Contact resistance
200 m
max.
Insulation resistance
10 M
min. (at 250 VDC) between nonconnected terminals
100 M
min. (at 500 VDC) between each terminal and noncurrent-carrying part
Dielectric strength
250 VAC, 50/60 Hz for 1 minute between nonconnected terminals
1,000 VAC, 50/60 Hz for 1 minute between each terminal and noncurrent-carrying part
Operating force
350 g max.
Vibration
10 to 55 Hz, 1.5 mm double amplitude
Shock
500 m/s
2
(approx. 50 g) min.
Ambient temperature
Operating
-10
to 70
C
Storage
-20
to 80
C
Humidity
35% to 85% RH
Service life
Mechanical
30,000 operations (steps) min.
Electrical
20,000 operations (steps) min.
Weight (per unit)
1.2 g
Unit: mm (inch)
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SWITCH UNITS
A7D-106 (-1)
Panel cutout
Dimensions
Note:
1. Unless otherwise specified, a tolerance of
0.4 mm
applies to all dimensions.
2. Terminal C is the bottom terminal when the switch
unit is viewed from the front.
3. The dimensions in the above table include the end
caps on both sides of the switch unit. If a spacer is
used, add 5.08 mm (.20) to A7D-106(-1) and 6 mm
(.24) to A7D-206(-1), respectively, per spacer.
No. of
A
B
C
D
units (n)
(nx5.1+3)
(nx5.1+8.3)
(nx5.1+13.3)
1
8.1 (0.32)
13.4 (0.53)
18.4 (0.72)
8.4 (0.33)
2
13.2 (0.52)
18.5 (0.73)
23.5 (0.93)
13.5 (0.53)
3
18.3 (0.72)
23.6 (0.93)
28.6 (1.13)
18.6 (0.73)
4
23.4 (0.92)
28.7 (1.13)
33.7 (1.33)
23.7 (0.93)
5
28.5 (1.12)
33.8 (1.33)
38.8 (1.53)
28.8 (1.13)
6
33.5 (1.32)
38.9 (1.53)
43.9 (1.73)
33.9 (1.33)
7
38.6 (1.52)
44.0 (1.73)
49.0 (1.93)
39.0 (1.54)
8
43.7 (1.72)
49.1 (1.93)
54.1 (2.13)
44.1 (1.74)
9
48.8 (1.92)
54.2 (2.13)
59.2 (2.33)
49.2 (1.94)
10
53.9 (2.12)
59.3 (2.33)
64.3 (2.53)
54.3 (2.14)
Note:
Data shown are of initial value.
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CHARACTERISTICS
A7D
A7D
229
A7D-206(-1)
Panel cutout
No. of
A
B
C
units (n)
(nx5.1+3)
(nx5.1+5)
(nx5.1+3.3)
1
8.1 (0.32)
10.1 (0.40)
8.4 (0.33)
2
13.2 (0.52)
15.2 (0.60)
13.5 (0.53)
3
18.3 (0.72)
20.3 (0.80)
18.6 (0.73)
4
23.4 (0.92)
25.4 (1.00)
23.7 (0.93)
5
28.5 (1.12)
30.5 (1.20)
28.8 (1.13)
6
33.5 (1.32)
35.5 (1.40)
33.9 (1.33)
7
38.6 (1.52)
40.6 (1.60)
39.0 (1.54)
8
43.7 (1.72)
45.7 (1.80)
44.1 (1.74)
9
48.8 (1.92)
50.8 (2.00)
49.2 (1.94)
10
53.9 (2.12)
55.9 (2.20)
54.3 (2.14)
Note:
1. Unless otherwise specified, a tolerance of
0.4 mm applies to all
dimensions.
2. Terminal C is the bottom terminal when the switch unit is viewed
from the front.
3. The dimensions in the above table includes the end caps on both
sides of the switch unit. If a spacer is used, add 5.08 mm (.20) to
A7D-106(-1) and 6 mm (.24) to A7D-206(-1), respectively, per
spacer.
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END CAPS
A7D-1M(-1)
[left]
[right]
A7D
A7D
230
Unit: mm (inch)
A7D-2M(-1)
[left]
[right]
Note:
End caps are attached to each end of the switch assembly and are used to secure the switch assembly to the mounting plate.
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SPACERS
A7D-1P
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(-1)
A7D-2P
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(-1)
Note:
Spacers are used to reserve space for switch units or to separate two switch units. The appearance and thickness of the spacers
are the same as those of the switch units.
OMRON ELECTRONICS LLC.
OMRON CANADA, INC.
One East Commerce Drive
885 Milner Avenue
Schaumburg, IL 60173
Scarborough, Ontario M1B 5V8
1-800-55-OMRON
416-286-6465
Cat. No. GC SW6 04/01 Specifications subject to change without notice. Printed in the U.S.A.
NOTE: DIMENSIONS ARE SHOWN IN MILLIMETERS. To convert millimeters to inches divide by 25.4.
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.omron.com/oei
Canada - http://www.omron.com/oci
A7D
A7D
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