Danfoss MCD3000 Series Manual page 27

50 Under Frequency Protection Delay
Value:
0 – 60 second
Function:
Delays tripping on detection of a low supply frequency
when the motor is running, <48Hz (50Hz supplies),
<58Hz (60Hz supplies).
ATTENTION
If the supply frequency drops below 45Hz
(50Hz supplies) or 55Hz (60Hz supplies) the
MCD3000 will trip instantly irrespective of the delay
setting.
Description of choice:
Set to allow continued operation during extreme but
temporary under frequency conditions.
= factory setting
MG.15.A2.22 – VLT is a registered Danfoss trademar
MCD3000 Series
0 seconds
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