NKK Switches MRA112-A Datasheet & Stock

The MRA112-A is a single-pole 12-position half-inch diameter process sealed Rotary Switch with shaft actuated with PC terminals and plain black knob. The MR series rotary switch has zinc alloy with zinc plating housing, brass with nickel plating shaft and steel with zinc plating stopper plate. The positive detent mechanism for distinct feel and audible feedback. The metal bushing and housing construction increases durability.




High contact reliability achieved by the self-cleaning contact mechanism

Break-before-make contact timing with sliding contacts

Interior housing seal and moulded-in PC terminals, plus shaft rubber O-ring on MRA

10mΩ Maximum contact resistance

100MΩ at 500VDC Minimum insulation resistance

1000VAC for one minute Minimum dielectric strength





Applications


Industrial