Set of 5 ME-8111 NO NC Momentary Pin Plunger Actuator Enclosed Limit Switch

For the ME-8111, it's specification is within follow:

•  Actuator Type: Standard Pin Plunger, Automatic Reset 
•  Pin Diameter(Approx.):6.8mm / 0.27″ 
•  Contact Configuration: 2 NC + 2 NO 
•  IP Rating: IP64 
•  Power: AC 250V,5A / DC 115V. 0.4A 
•  Mounting Hole Diameter: 4.5mm 
•  Hole Center Point Distance: 56mm x 21mm 
•  Overall Size: 99 x 28 x 25mm 
•  Operation speed: 0.5mm-50cm/sec 
•  Operating frequency 
•    Mechanical: 120 operations/minute 
•    Electrical: 30 operations/minute
•  Contact resistance: 25mΩ max. (initial value)
•  Insulation resistance: 100mΩ min. (at 500VDC) 
•  Vibration: 10-55HZ,1.5mm double amplitude 
•  Mechanical Life : 10,000,000 operations 
•  Electrical Life: 500,000 operations