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501-B2020

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ID = 32880
       
Country:
United States of America (USA)
Brand: Edison, Thomas A., North American Phonograph / National Phonograph; Orange, NJ
Tube type:  Relay in glass (not Relay Triode) 
Identical to 501-B2020

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 26.5 Volts
Description Thermal delay relay, 300s delay. SPST, normally open, 3A at 450V AC/DC. 
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tdr8p_20.png 501-B2020
Emilio Ciardiello


Just Qvigstad

Collection of

 
501_b2020_edi_a.jpg

501-B2020
 

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