Miniature Rocker Switch
A8M
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.
RoHS Compliant
Caution
Refer to Precautions
■List of Models
SPST
Contact Form
DPST
2
3
Color of caps and cases
Marking on
caps
3
5
6
Quantity per box
Black
Black
A8MS-1162
A8MD-1162
A8MS-1163
A8MD-1163
100
■Approved Safety Standards
■Ratings
Rated load
2
Non-inductive
UL, cUL (UL1054/CSA C22.2 No. 55)
Inductive
16A 125 VAC, 16A 250 VAC
Resistive load
Inductive load
Motor load
125 VAC
16 A
16 A
10 A
VDE (EN61058-1)
250 VAC
16 A
16 A
10 A
16A 125 VAC, 16A 250 VAC
Note: Quick connect terminals are not in compliance with IEC standards.
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.
■Characteristics
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)
Dielectric strength
20 mΩ max. (6 to 8 VDC, 1 A, voltage drop method)
Between terminals
2,000 VAC 50/60Hz, for 1min
of the same polarity
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.
Mechanical
50,000 operations min.
Electrical
10,000 operations min.
Durability
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)
1
A8M
A8M
■Dimensions
(Unit: mm)
Note: The following illustrations and drawings are for 2 poles (DPST) models,
1 pole (SPST) models have single side terminals.
A8MS-1162
A8MS-1163
A8MD-1162
A8MD-1163
● Operating Characteristics
No. of poles
15
Operating force (OF) max.
1 (SPST)
2 (DPST)
8 N {816 gf}
14 N {1,428 gf}
16.3
21 +0.3
-0.5
10.7
5.6±0.5
2
15.8
24.1
2.8 dia.
3.7
2.2
0.8
1.6 dia.
9.6
18.5
10
12.5
12.9
3 6
2 5
Solder Terminal
#250 Quick connect terminal (t=0.8) common use
Quick connect terminals are not in compliance with IEC standards.
Note: Unless otherwise specified, a tolerance of ±0.3 mm applies to all dimensions.
■Panel Cutout
R0.3±0.1
X
Y
Panel thickness (mm)
X (mm)
0.75 to 1.25
19.2 +0.1
0
1.26 to 2.00
19.4 +0.1
0
2.01 to 3.00
19.8 +0.1
0
Y (mm)
12.9 +0.1
0
Edge
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.
■Precautions
Be sure to read the Safety precautions common to all Rocker Switches for correct use.
2
A8M
A8M
• 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.
Note: Do not use this document to operate the Unit.
OMRON Corporation
Electronic and Mechanical Components Company
Contact: www.omron.com/ecb
Cat. No. A175-E1-05
1014(0207)(O)