1) Max. rating current and voltage: 3A, 250V AC
2) Contact resistance less than 50mohm
3) Insulate resistance more than 1, 00Mohm
4) Dielectric strength: 1,500V
5) Electronic life (cycles more than 25,000
6) Machine life (cycles more than100,000
7) Action: alternate, moment
8) Button shapes: round, square, rectangular, mushroom, big square, big
rectangular
9) Indication voltage: 2V, 6V, 12V, 24V, 110V, 220V
10) Cap colors: red (R), green (G), yellow (Y), white (W), blue (B), amber (A)