Ratings / Characteristics

Type Pushbutton Switches Knob-type Selector 
Switches
Key-type 
Selector 
Switch
Indicator
Non-lighted 
models: 
A22-H A22-S 
A22-C A22-D
Lighted 
models: 
A22L-H 
A22L-C 
A22L-D
Non-lighted 
model: 
A22S
Lighted 
model: 
A22W
Non-lighted 
model: 
A22K
M22
Allowable 
operating 
frequency
Mechanical Momentary operation: 
60 operations/minute max.
Manual reset: 30 operations/minute max. 
Automatic reset: 30 operations/minute max.
---
Electrical 30 operations/minute max. ---
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance Standard load 100 mΩ max. (initial value)
Microload 100 mΩ max. (initial value)
Dielectric 
strength
Between terminals 
of same polarity
2,500VAC, 50/60Hz for 1min
Between each terminal 
and ground
2,500VAC, 50/60Hz for 1min
Vibration 
resistance
Malfunction 
*1
Malfunction *2: 10 to 55 Hz, 1.5-mm double amplitude
Shock 
resistance
Destruction 1000 m/s2 max. 1000 m/s2 max. 1000 m/s2 max. 1000 m/s2 max. 1000 m/s2 max. 1000 m/s2 max.
Malfunction *1 1000 m/s2 max. 600 m/s2 max. 1000 m/s2 max. 600 m/s2 max. 1000 m/s2 max. 600 m/s2 max.
Durability Mechanical Momentary operation: 
5,000,000 operations min.
500,000 
operations 
min.
100,000 
operations 
min.
500,000 
operations 
min.
---
Electrical 500,000 operations min. 500,000 
operations 
min.
100,000 
operations 
min.
100,000 
operations 
min.
---
Ambient operating 
temperature *2
-20 °C 
to 70 °C
-20 °C 
to 55 °C
-20 °C 
to 70 °C
-20 °C 
to 55 °C
-20 °C 
to 70 °C
-20 °C 
to 55 °C
Ambient operating 
humidity
35% to 85% RH
Ambient operating 
humidity
-40 °C to 70 °C
Degree of protection *3 IP65 
(oil-resistant)
IP65 IP65 
(oil-resistant)
IP65 IP65 
(oil-resistant)
IP65
Electric shock protection 
class
Class II
PTI 
(tracking characteristic)
175
Degree of contamination 3 (IEC947-5-1)

Downloads

Document File Type File Size Download
A22 Series Datasheet PDF 5.6 MB