Area
Title
Functions
8
Control circuitry
•
Input power, internal
processing, output, and motor
current are monitored to
provide efficient operation
and control
•
User interface and external
commands are monitored and
performed
•
Status output and control can
be provided
Table 1.2 Frequency Converter Internal Components
1.6 Frame Sizes and Power Ratings
kW rated frequency converters
kW High Overload
75
90
110
132
160
200
250
315
315
kW Normal Overload
90
110
132
160
200
250
315
355
400
400 V
D3h
D3h
D3h
D4h
D4h
D4h
500 V
D3h
D3h
D3h
D4h
D4h
D4h
525 V
D4h
D3h
D3h
D4h
D4h
D4h
D4h
690 V
D3h
D3h
D3h
D4h
D4h
D4h
Table 1.3
Horsepower rated frequency converters
HP High
Overload
100
125
150
200
250
300
350
350
HP Normal
Overload
125
150
200
250
300
350
400
450
460 V
D3h
D3h
D3h
D4h
D4h
D4h
575 V
D3h
D3h
D3h
D4h
D4h
D4h
D4h
Table 1.4
Introduction
VLT
®
HVAC Drive D-Frame
Operating Instructions
6
MG16D102 - VLT
®
is a registered Danfoss trademark
1
1