THYRATRON
This tube is used for electric motor regulation for
elevators, escalators and conveyors.
It is a Glass octal negative-control gas-tetrode
thyratron for use in relay and grid-controlled rectifier
applications. It requires an octal socket.
Some elevator manufactures were Otis, Thyssen Krupp, Schindler, and
Schumacher.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.6 A