12mm Snap-in Insulated Shaft Encoder - EC12 SeriesInsulated shaft type with a wide variety of applications EC12D series comes with Push-on SwitchTypical rating 5Vdc, 0.5mAOperating life 15,000 cycles (without Detent) 30,000 cycles (with Detent)Operating Temperature ー10 to +70℃ (EC12E) ー40 to +85℃ (EC12D)