Honeywell
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P
OWER
CABLING
4.3
Installation in corner-grounded network
Corner grounding is allowed for the drive types rating from 72 A to 310 A at 380…480 V supply
and from 75 A to 310 A at 208…240 V supply.
In these circumstances the EMC protection class must be changed to level C4 following the
instructions in chapter 6.3 of this manual.
Corner grounding is not allowed for the drive types with rating from 3.4 A to 61 A at 380…480
V supply and 3.7 A to 62 A with 208…240 V supply.
