TIP: Click on subject to list as thread! ANSI
echo: trading
to: Brett Maidment
from: Jeff Paget
date: 1996-12-31 13:22:18
subject: TRANSFORMER

To: BRETT MAIDMENT                
 Subject: TRANSFORMER                      

 Hi Brett,
            -----------------------------------

 JP>  I have a 240v-to-115v stepdown transformer for sale,   
 JP>  older style case but rated at 600 VA. ( thats 5 1/2 amps ! ) 
 JP>  Asking around $160-

 BM> Try the maths again Jeff. It's 2.5 Amps!
             -----------------------------------

 Well you could check your calculator rather than your fingers, :>
 
 VA is the AC equiv. of Watts, power in a circuit is expressed as
 P = E X I  where P = Watts - E = Volts - I = Amps  this can also be
 expressed as I = P/E 
 therefore;  600VA / 115v = 5.2173913 amps,  ( I did a mental approx  
 on the original figures )
 
 however this would DRAW 2.6 amps from the 240v supply plus a little
 due to core losses etc. in the transformer,  

 But to get back on topic :>  I also have a stepdown multi-tap available,
 input 240v  output  100 to 127v at around 400 va,   asking $100  
 
 Regards
 Jeff

 " Open Mouth, Insert Foot, Echo Nationally "


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