The Philmore Mfg. 30-2295 is a SPST Round Snap In Push Button Switch with OFF-(ON) functionality. It has a Current Rating of 3A @ 125V AC and 1A @ 250V AC, with an Initial Contact Resistance of DC 2.5-1A and 20 Meg ohm (Max). Its Insulation Resistance is 500V DC with a minimum of 100 Meg ohm, and it has a Dielectric Strength of 1000V AC for 1 minute. The switch features a Red Nylon Actuator and Copper-Silver Plate Contacts and Terminals. The Mounting Hole measures 0.71".