1
A8MMiniature Rocker Switch
Miniature Rocker Switch for High
Capacity Switching
Miniature size with High current 16A switching.
Easy to mount by snap fitting.
UL and cUL standard approved.
Conforms to EN standards.
List of Models
Ratings
Note: 1. The inductive load has a power factor of 0.7 minimum (AC).
2. The motor load has an impulse current 6 times the normal current.
3. The above ratings were tested under the following conditions:
(1) Ambient temperature: 20±2 °C
(2) Ambient humidity: 65±5 %RH
(3) Switching frequency: 7 times/min.
Approved Safety Standards
UL, cUL (UL1054/CSA C22.2 No. 55)
16A 125 VAC, 16A 250 VAC
VDE (EN61058-1)
16A 125 VAC, 16A 250 VAC
Note: Quick connect terminals are not in compliance with IEC standards.
Characteristics
RoHS Compliant
Caution
Refer to Precautions
Contact Form
SPST DPST
Quantity per box
Color of caps and cases Black Black
Marking on
caps
A8MS-1162 A8MD-1162
100
A8MS-1163 A8MD-1163
23
23
56
Rated load Non-inductive Inductive
Resistive load Inductive load Motor load
125 VAC 16 A 16 A 10 A
250 VAC 16 A 16 A 10 A
Permissible operating
frequency
Mechanical 20 operations / min max.
Electrical 7 operations / min max.
Insulation resistance 100 MΩ min. (at 500 VDC with insulation tester)
Contact resistance (initial value) 20 mΩ max. (6 to 8 VDC, 1 A, voltage drop method)
Dielectric strength
Between terminals
of the same polarity 2,000 VAC 50/60Hz, for 1min
Between terminal
and case ground 4,000 VAC 50/60Hz, for 1min
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance Malfunction 1,000 m/s2 max.
Durability Mechanical 50,000 operations min.
Electrical 10,000 operations min.
Inrush current 117 A max.
Degree of protection IEC IP40
Ambient operating temperature - 25 to +55 °C (at ambient humidity of 60 % max.) (with no icing or condensation)
Ambient operating humidity 25 to 85 %RH (at +15 to 35 °C)
Weight 4.5 g (SPST), 5.9 g (DPST)
2
A8MA8M
Dimensions (Unit: mm)
Note: Unless otherwise specified, a tolerance of ±0.3 mm applies to all dimensions.
Panel Cutout
Precautions
Be sure to read the Safety precautions common to all Rocker Switches for correct use.
Solder Terminal
#250 Quick connect terminal (t=0.8) common use
Quick connect terminals are not in compliance with IEC standards.
9.6
18.5
1.6 dia.
2.8 dia.
21+0.3
-
0.5 10.7
0.8
12.5
10
16.3
12.9
15
2
15.8
24.1
3.7
2.2
5.6±0.5
2
3
5
6
A8MS-1162
A8MS-1163
A8MD-1162
A8MD-1163
Note: The following illustrations and drawings are for 2 poles (DPST) models,
1 pole (SPST) models have single side terminals.
Operating Characteristics
No. of poles 1 (SPST) 2 (DPST)
Operating force (OF) max. 8 N {816 gf} 14 N {1,428 gf}
Y
X
R0.3±0.1
Edge
Panel thickness (mm) X (mm) Y (mm)
0.75 to 1.25 19.2
12.91.26 to 2.00 19.4
2.01 to 3.00 19.8
+0.1
0
+0.1
0
+0.1
0
+0.1
0
Process the above-mentioned R on the mounting
hole side of panel, or be sure that the Play R is on
the operation side of panel when using.
Be sure that the Edge is on the reverse side of
panel when processing.
A8MA8M
Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product.
Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad
systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems or equipment that may have a serious
influence on lives and property if used improperly. Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or
equipment, and be sure to provide the system or equipment with double safety mechanisms.
Cat. No. A175-E1-05
1014(0207)(O)
Note: Do not use this document to operate the Unit.
OMRON Corporation
Electronic and Mechanical Components Company Contact: www.omron.com/ecb