Used on test central, sonar; acft model h-3. optical isolated input; zero voltage turn-on; single-pole, single throw solid state normally open switch for controlling frequencies up to 10 arms, 25 to 30 volts; frequency 47 hz to 440hz; case material: self extinguishing, epoxy filled plastic; operating temp: M55.0/P95.0 celcius; max length: 2.020; max width: 1.020; max heigth: 1.100
