... , normal close ,when push open;ON-OFF 2) 5A,250VDC 3) ring LED LED Anti-vandal Push Button Switch : 1, plane & Arc ... ;4,ecifications :1)Contact Resistance ≤50mΩ 2)Insulation Resistance ≥1000MΩ 3)Dielectric Strength 2000VAC/ 1minute 4)Electrical Life ≥50000 cycles 5 ...