Marquardt 1670 Series Push Button Switches Marquardt 1670 series double pole push button switch. The 1670 is a neon illuminated 230Vac push button switch with a green actuator which has an internal gasket that gives the actuator a rating of IP54. The Marquardt 1670 on/off push button switch is suitable for use in Class II appliances. Contact distance 3mm Operating force approximately 8N UL 94 V-2 flammability Mechanical life 50,000 operations Note The current rating and life expectancy figures quoted are nominal, please see datasheet for further ratings. Approvals ENEC Marquardt Push Button SwitchesVis mereVis mindre