Key Switch, SP3T-NC, 20 V dc VA 3-Way Standard-Key

Fuijsoku MRK series Key Switches are designed to be used in many low voltage switching applications. The single pole Fuijsoku MRK Key Switches are available in a choice of straight or right angle PCB mounting options with versions that include key trapping (key cannot be removed in one or two positions) or non-trapping (key removable in all positions). The three position Key Switches have a 45° index angle while the two position Key Switches have a 90° index angle.
All versions feature: steel ball mechanism that gives an assuring click operating feel; self cleaning contacts that provide high contact reliability; and 2.54x2.54mm (.100" x .100") terminal spacing that conforms to standard PCB grid spacing.

Maximum switch rating of 0.4VA at 20Vdc
Gold plated contacts
Contact resistance 200mΩ maximum
Insulation resistance 100MΩ minimum
Electrical life 10,000 cycles
Operating force 2.94N.cm
Dielectric strength 250Vac for 1 minute
-20 to +70°C operating temperature range

Two keys are supplied with each Fuijsoku MRK Key Switch, spare keys currently not available.