This is a latched type push on/off button rocker switch with current ratings of 3A and 250VAC for mounting on boards for your electric/electronic devices. The switch is normally open (NO) when pressed it closes the connection (NC) and then when released it becomes NO again. Specifications: Switch Type: Push Button (Round) Model: Latched Type Push to On/Off Current Ratings: 3A 250VAC Insulation Resistance: >100M Ohm min. 500 VDC Contact Resistance: 10M Ohms max. Fixing: Snap Mounting