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30RN4

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ID = 76033
       
Country:
France
Brand: Celsior (tubes), Radio-Celsior; Paris
Tube type:  Ballast Tube (neither FeH or Urdox)   Power-supply 
Identical to 30RN4

Was used by Radio/TV-reception etc.
Filament If 0.2 Ampere / Specified current AC/DC ~ = (Series working)
Description

Ballast (vacuum resistor) for 0,2A tubes (CK1, CBL1…) main voltage 110V 130V 220V 240V with over voltage protection for dial lamps.

 
Text in other languages (may differ)

Usage in Models 1= 1940??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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