Ratings / Characteristics

Item Knob-type Selector Switch
Knob-type Selector Switch Mechanical 30 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 each terminaland ground 1,500 VAC, 50/60 Hz for 1 minute
Vibration 
resistance
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 250,000 operations min.
Electrical 100,000 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 100 A (EN60947-5-1)
Conventional enclosed thermal current (Ithe) 0.1 A (EN60947-5-1)
Weight Approx. 30 g
Degree of protection IP40, IP65 (Oil-proof type)
Ambient operating temperature -20 °C to 70 °C (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
A3US Series Datasheet PDF 1.0 MB