The NX3DV3899 is double-pole double-throw (DPDT) analog data switch with dual channel intended for use as an analog or digital multiplexer/demultiplexer. This device ...
Double-pole, double-throw electrical switch, horizontal sliding action, 8 screw-type binding posts, wooden base, no extant markings. Probably for communications use. overall: 1 1/4 in x 4 in x 5 1/4 ...