Thumbwheel Switch
A7PS/A7PH
CSM_A7PS/A7PH_DS_E_6_1
Dust-tight, Easy-to-Use,
Push-operated Switches with Large
Display Characters
Simple push mechanism and large, easy-to-view numeric display
make setting easy.
Dust penetration prevented with seal for the display windows.
Ordering Information
Switches (Single Switch Units)
Model A7PS A7PH
Snap-in Snap-in
(front mounting) (front mounting)
Classification
(See note 1.)
Long-life type
Character height Decimal: 6.8 mm Hexadecimal: 4.0 mm
Terminals Solder terminals
Color Light gray Black Light gray Black
Output code number Model
03 (decimal code) A7PS-203 A7PS-203-1 A7PH-203 A7PH-203-1
06 (binary coded decimal) A7PS-206 A7PS-206-1 A7PH-206 A7PH-206-1
07 (binary coded decimal, with component-
A7PS-207 A7PS-207-1 A7PH-207 A7PH-207-1
adding provision) *1
19 (decimal code, with component-adding
A7PS-219 A7PS-219-1 --- ---
provision)
54 (binary coded hexadecimal) A7PS-254 A7PS-254-1 A7PH-254 A7PH-254-1
55 (binary coded hexadecimal, with compo-
A7PS-255 A7PS-255-1 --- ---
nent adding provision) *1
Note: 1. The classification diagrams show 4 Switch Units combined with End Caps to create 4-digit displays.
2. The model numbers given above are for 1 Switch Unit.
3. Models with stoppers are also available. Add -S@@ after the 203, 206, 207, 219, 254, or 255 in the model number and specify the display range in
the @@. For example, to specify the range 0 to 6, add -S06 to the model number (e.g., A7PS-206-S06-1).
-SOF can not be available for type -254, -255.
4. Models with +, - displays can also be produced. Add -PM after the 206 in the model number (e.g., A7PS-206-PM or A7PS-206-PM-1)
*1. Models with diodes are available. Add -D to the model number (e.g., A7PS-207-D or A7PS-207-D-1).
End Caps
Accessories (Order Separately)
Use accessories, such as End Caps and Spacers, with the Switch
End Caps are used on the Switch Units at each end and allow all the
Units.
Switch Units to be securely mounted to a panel. They come in pairs,
one for the left and one for the right.
Accessory Color Light gray Black
Spacers
End Caps A7P-M A7P-M-1
A7P-P@ A7P-P@-1
Spacers are used for creating extra space or gaps between the
Spacer
(See note.) (See note.)
Switch Units and have the same dimensions as the Switch Units
themselves.
NRT-C
Solder terminals
Connec-
There are also Spacers with engraved characters or symbols that
NRT-CN
tors
can be used for indicating units, such as time and length. (Refer to
PCB terminals NRT-CP
the following table.) Consult your OMRON representative for
Note: The @ in the Spacer model number stands for a letter in the range A to
details.
U. (Refer to the table in the following explanation about Spacers.)
Symbol A B C D E F G
No des-
Stamp SEC MIN H g kg mm
ignation
Symbol H J K L Q T U
x 10
Stamp cm m CPCS 0
SEC
1A7PS/A7PH
Specifications
Item Model A7PS A7PH
50 VAC or 3.3 to 28 VDC 125 VAC or 3.3 to 28 VDC
Switching capacity (resistive load)
1 mA to 0.1 A 10 A to 0.15 A
Continuous carry current 1 A max. 3 A max.
Contact resistance 300 m max.
Between non-connected terminals 10 M min. (at 500 VDC) 100 M min. (at 500 VDC)
Insulation
resistance
Between terminal and non-current carrying part 1,000 M min. (at 500 VDC)
Between non-connected terminals 600 VAC, 50/60 Hz for 1 min
Dielectric
strength
Between terminal and non-current carrying part 1,000 VAC, 50/60 Hz for 1 min
Vibration resistance 10 to 55 Hz, 1.5-mm double amplitude for 2 hours min.
2
Shock resistance 490 m/s min.
Mechanical 100,000 operations min. 2,000,000 operations min.
Durability
Electrical 50,000 operations min. 1,000,000 operations min.
Ambient temperature Operating: -10C to 65C
Ambient humidity Operating: 45% to 85%
Max. operating force 6.37 N max.
Dimensions (Unit: mm)
Switches
A7PS-2@@(-1)
7.2
* Number of Size A Size B
A
3 33.5
A7PH-2@@(-1) Switches (n) (n x 10 + 12) (n x 10 + 9)
10 0.1
Solder Terminal 122 19
232 29
342 39
22.6
33 30
452 49
562 59
Solder terminal
3
672 69
4.6 4.3
Panel thickness: 1 to 3 782 79
892 89
*If the output code is 03,06 or 54, the dimension is 43;
if the output code is 07,19 or 55, the dimension is 55. 9 102 99
10 112 109
Panel Cutout
Note: 1. The dimensions above include both End
Caps, and will increase 10 mm for each
0
31 Spacer inserted.
- 0.4
2. Unless otherwise specified, a tolerance
of 0.4 mm applies to all dimensions.
4.5 1
+1
The tolerance for multiple connection is
B
8.6
0.2 0
P= 10
(number of units x 0.4) mm.
B
Accessories (Order Separately)
End Caps for Push-operated Switches
A7P-M(-1) Snap-in Panel Mounting
(39)
(39)
Left Side Right Side
33 33
3 3
46 6 4
4
33.5 33.5
4.4
30 (4.3) (4.3) 30
4.5 4.5
4.5
Spacers for Push-operated Switches
A7P-P@(-1) Snap-in Panel Mounting
30 0.1
32.7
(36.5)
4.5
0.05
10
The @ in the Spacer model number stands for a letter in the range A to U. (Refer to the table under the explanation about Spacers on page 1.)
Note: Unless otherwise indicated, dimensional tolerances for dimensions in the models above are 0.4 mm.
2