all our products are excellent in quality and competitive in price. telephone switches, phone switches , telephone control switch, hook switches ROSH , copper contact or silver contact telephone switches, phone switches , hook switches , telephone control switchRating: 0.2A 60V DC Contact resistance: ≤ 30m Ω max.Insulation Resistance: ≥ 100M ΩWithstand Voltage: AC 1500V for 1 minuteOperating ...