The abbreviations used in the tables are defined below.
DefinitionAbbr.
Nominal AC line voltage
U
N
Peak line-to-line voltage at motor terminals which the motor insulation must
withstand
Û
LL
Motor nominal power
P
N
du/dt filter at the output of the drivedu/dt
Common mode filterCMF
N-end bearing: insulated motor non-drive end bearingN
Motors of this power range are not available as standard units. Consult the
motor manufacturer.
n.a.
Availability of du/dt filter and common mode filter by drive type
Availability of common mode
filter (CMF)
Availability of du/dt filterProduct type
Plus code option +E208
Ordered separtely, see chapter
Filters (page 295)
ACS880-01
Additional requirements for explosion-safe (EX) motors
If you will use an explosion-safe (EX) motor, follow the rules in the requirements table
above. In addition, consult the motor manufacturer for any further requirements.
Additional requirements for ABB motors of types other than M2_, M3_, M4_, HX_
and AM_
Use the selection criteria given for non-ABB motors.
Additional requirements for braking applications
When the motor brakes the machinery, the intermediate circuit DC voltage of the drive
increases, the effect being similar to increasing the motor supply voltage by up to
20 percent. Consider this voltage increase when specifying the motor insulation
requirements if the motor will be braking a large part of its operation time.
Example: Motor insulation requirement for a 400 V AC line voltage application must be
selected as if the drive were supplied with 480 V.
Additional requirements for ABB high-output and IP23 motors
The rated output power of high output motors is higher than what is stated for the
particular frame size in EN 50347 (2001).
This table shows the requirements for protecting the motor insulation and bearings in
drive systems for ABB random-wound motor series (for example, M3AA, M3AP and
M3BP).
66 Guidelines for planning the electrical installation
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