Ratings / Characteristics

Item Pushbutton Switch
Allowable 
operating 
frequency
Mechanical 60 operations/minute max.
Electrical 30 operations/minute max.
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 250 mΩ max. (initial value)
Dielectric 
strength
Between terminals of same 
polarity
500 VAC, 50/60 Hz for 1 minute
Between terminals of 
different polarity
500 VAC, 50/60 Hz for 1 minute
Between each terminal and ground 1,500 VAC, 50/60 Hz for 1 minute
Between all LED terminals and all the 
other terminals
500 VAC, 50/60 Hz for 1 minute
Vibration 
resistanc
Malfunction 10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms)
Shock 
resistance
Malfunction 300 m/s2 max. . (malfunction within 1 ms)
Durability Mechanical 1,000,000 operations min.
Electrical 200,000 operations min.
Connector holding force 40 N max.
Rated insulation voltage (Ui) 30 V (EN60947-5-1)
Electric shock protection class Class II
Degree of contamination 3 (EN60947-5-1)
Impulse 
withstand 
voltage
Between terminals of same polarity 
Between terminals of different polarity 
Between each terminal and ground
800 V (EN60947-5-1)
Conditional short-circuit current 100A (EN60947-5-1)
Conventional enclosed thermal current (Ithe) 0.1A (EN60947-5-1)
Weight Approx. 30 g
Degree of protection IP40, IP65 (Oil-proof type)
Ambient operating temperature -20 °C to 70 °C (Non-lighted type) 
-20 °C to 55 °C (lighted type) 
(with no icing or condensation)
Ambient operating humidity 35 % to 85 % RH
Ambient storage temperature -40 °C to 70 °C (with no icing or condensation)
Ambient storage humidity 35 % to 85 % RH

Downloads

Document File Type File Size Download
A3U Series Datasheet PDF 1.2 MB