Keywords: Mercury contactor.JPG mercury relay or contactor able to switch 60 Amp 115V AC power This normally-open contactor is installed in a Digital Equipment Corporation DEC Type 834 Power Control Panel mounted on the back side of a relay rack -mounted PDP-8 computer built in late 1965 The tubular devices connected across both the coil and the power contacts are thyrector s 2015-01-27 15 43 30 own Douglas W Jones other versions cc-zero Uploaded with UploadWizard Mercury relays Contactors Location not applicable |