DS-211/DS-213 Specifications: Item: Push Button Switch Working Power: 125V 2A / AC Max Power: 250V 3A Contact Resistance: 0.01(?) Insulation Resistance: 20(M?) Thread Diameter: 10mm Working Life: 100000 Times Features: 1. The push button switch is suitable for 10mm diameter mounting hole. 2. Used widely for circuits control in electromagnetic starter, contactor, and other electric circuits. Package Contents: 2Pcs / 6Pcs Push Button Switch 10mm Momentary / Self Locking Round Button Switch (Color optional)