å‹å·ï¼šOpen Frame
å“牌：COLE
特点:Cole's Open Frame instrument rotary switches are uniquely capable for high voltage, high current, and low resistance applications. Ideal for usage in electrical test equipment or to provide power to generators, receivers, and transmitters

å‹å·ï¼š3900
å“牌：COLE
特点:The 3900 series is designed for high and low level switching, tested per MIL-STD-202, and meets or exceeds the requirements of MIL-S-3786. Providing the ultimate mecanical and electrical reliability, the 3900 series is ideal for commercial, medical, and military applications.

å‹å·ï¼š3600
å“牌：COLE
特点:This highly versatile switch is ideal for demanding usage in commercial, medical, and military applications. Quality construction features include self-cleaning roller bearing contact for high current carrying capacity and pure silver contact surfaces for constant low contact resistance. A full QTL MIL switch is available.

å‹å·ï¼š2020
å“牌：COLE
特点:Designed for critical ordnance applications, the 2020 Series is available with variable amplitude of 1 to 100 Gs, turret or solder lug terminals and "normally opened" or "normally closed" contacts.