ABB OmniCore V400XT Product Manual page 79

For further information refer to regional power supply standards.
Allowed isolation transformer types
The following isolation transformer types are allowed by ABB:
Delta-Wye isolation transformer (△/Y)
xx1700001318
Product manual - OmniCore V400XT
3HAC081697-001 Revision: A
characteristics out of standard limits. To some extent, isolation transformers
will filter out harmonics, spikes and surges.
A Primary/input
B Secondary/output
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3 Installation and commissioning
3.5.3 Power supply system requirements
Wye-Wye isolation transformer (Y /Y)
xx1700001319
Continued
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