[email protected] wrote:
>My company manufactures systems which incorporate power supplies from
various manufactures. Typically these supplies have ratings such as
100V-140V/200V-240V and are designed to operate on a single phase input.
Some of my customers have the US 208V 3 phase power distribution which
gives you 208V phase to phase or 120V phase to neutral.
>My question is directed towards the power supply people on this list.
>Can ANY supply intended for 200-240V single phase be used at 208V phase
to phase (double phase).
Yes, they should.
>Would components (EMI suppression for example) be placed between neutral
and ground that would preclude the supply from being used phase to phase?
EMI components are placed between *terminal* and ground. Even the HOT and
NEUTRAL can be swapped without compromising the performance, or safety, of
a properly designed power supply.
>Would the use of these supplies in a phase to phase mode negate the
EMI/EMC performance?
It shouldn't.
- Robert -
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