Hi, The 3750Vac requirement was certainly part of BS6301:1982 and subsequent amendments until dropped to 3000Vac in EN41003.
Cheers Gary Gorton EPL Limited http://www.epl.co.uk Duane J. Marcroft wrote: > > Larry, > > If memory serves me well, the 3750V comes from an Austel spec. I believe > this was due to higher mains voltage (240V) in Australia. > > Duane > > >Hello Treggers, > > > >I'm looking for a standard that prescribes 3750VAC seperation from circuitry > >to be connected to telecom networks. I know BABT rated line transformers are > >tested at this magnitude, as published in most telco transformer > >manufacturers spec sheets. The rating in EN41003/En 60950 (impluse test > >voltage) is 2.5kV dc to non-network ports/and handsets (through foil) . From > >my notes, I understand that BS6301 was replaced by EN41003 in 93, so the > >3750V rating may be from that standard. > > > >Who can help shed light on this? > > > >Thanks in advance. > > > > > >----------------------------------------------------- > >Larry Barnette > >Compliance Engineer > >Instrument Associates > >2455 Harbor Ave. > >Memphis, Tenn. USA 38113 [email protected] > >-----------------------------------------------------
