max zs


Postby davino » Thu Oct 16, 2008 8:18 pm

quck one please people, left the regs at work filling in a test sheet, need the max zs for
60898 b32amp breaker,b16amp breaker, b40amp breaker and a b6amp breaker
tncs system

ta :wink:
________
BRUNETTE MASTURBATING
Last edited by davino on Fri Mar 18, 2011 3:31 am, edited 1 time in total.
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Postby ericmark » Fri Oct 17, 2008 4:30 am

Type B is times 5 so B32 = 160 amp. So 230/160 = 1.4375 ohms book value 1.44 ohms
So B16 = 80 amp and 230/80 = 2.875 ohms book 2.87
B40 = 200 amp and 230/200 = 1.15 ohms book 1.15
B6 = 30 amp and 230/30 = 7.666 ohms book 7.67
All simple maths really!
Eric
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