Maybe a zero crossing detector transformer ? Can you trace the PCB traces =
?
=20

On 13/01/2014, at 07:41, alan.b.pearce@stfc.ac.uk wrote:

>> I'm starting to wonder if this really is a thyristor drive pulse transfo=
rmer, or if
>> it's at that end of the board for spacing. I will have to remove it and =
start
>> doing a bit of detective work to backtrack the PCB.
>=20
> I am wondering if they have been a bit cheap and used something like an E=
thernet interface transformer with multiple transformers in one package, in=
stead of using a proper mains isolation pulse transformer. Rather naughty i=
f they have.
>=20
> Another possibility is that it is used to generate an isolated power supp=
ly connected to the mains voltage for some sensing circuitry?
>=20
>=20
>=20
> --=20
> Scanned by iCritical.
>=20
> --=20
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