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Discuss Disconnection time - Urgent help needed in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

D

DanBrown

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Hi guys!,
could anyone tell me the disconnection time and maximum Zs from bs 7671 for

a three phase supply
on a bs 88 20amp

Thanks in advance
 
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ian.settle1

-
Mentor
Arms
Hi guys!,
could anyone tell me the disconnection time and maximum Zs from bs 7671 for

a three phase supply
on a bs 88 20amp

Thanks in advance



0.4seconds
&
1.77ohms

Does not matter whether it is a single phase or 3 phase supply for disconnection time or max Zs.
 
D

DanBrown

  • Thread Starter Thread Starter
  • #4
Thanks for that guys!,

any idea for a 63 amp bs 88 fuse?
 

ian.settle1

-
Mentor
Arms
Thanks for that guys!,

any idea for a 63 amp bs 88 fuse?
Look in the regs page 49 table 41.4
 

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