型号：3900
品牌：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.

型号：Open Frame
品牌：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