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501-B1957

Information - Help 
ID = 50087
       
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-B1957

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 27.5 Volts / Indirect
Description Thermal delay relay
150s delay, normally open, 3A , 450V AC, 450V DC 
Dimensions (WHD)
incl. pins / tip
32 x 89 x mm / 1.26 x 3.50 x inch
Weight 44 g / 1.55 oz
Literature - - -   
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501b1957_edison.jpg
501-B1957
Klaus Rüdiger

 
tdr8p~~5.png
501-B1957: Manufacturer's Literature
Emilio Ciardiello

 


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