I/O Exhaust Fan Speed Controller with Tokyo Rikosha Varitap VP-03A Thyristor

“Used. Functional units as removed from TEL system.” I/O Exhaust Fan Speed Controller Assembly - Thyristor - Metal case/box - 0-10 Dial and Knob - Mounting Bracket - Wiring Tokyo Rikosh Thyristor Type Power Transformer Varitap VP Series 3.0 A TEL Tokyo Electron I/O Exhaust Fan Speed Controller, Used Functional units as removed from TEL system.