Requirements for ABB motors,
P
n
> 100 kW (134 hp)
See also Abbreviations (page 102).
Requirement forNominal AC line
voltage
Motor type
ABB d
u
/d
t
and common mode filters, in-
sulated N-end motor bearings
Motor insu-
lation sys-
tem
P
n
≥ 350 kW
or
frame size ≥
IEC 400
100 kW ≤
P
n
< 350
kW
or
IEC 315 ≤ frame size
< IEC 400
P
n
≥ 469 hp
or
frame size >
NEMA 580
134 hp ≤
P
n
<
469 hp
or
NEMA 500 ≤ frame
size ≤ NEMA 580
+ N + CMF+ NStandard
U
n
≤ 500 VRandom-wound
M2_, M3_ and
M4_
+ N + d
u
/d
t
+ CMF+ N + d
u
/d
t
Standard500 V <
U
n
≤
600 V
+ N + CMF+ NReinforced
+ N + d
u
/d
t
+ CMF+ N + d
u
/d
t
Reinforced600 V <
U
n
≤
690 V (cable
length ≤ 150 m)
+ N + CMF+ NReinforced600 V <
U
n
≤
690 V (cable
length > 150 m)
P
n
< 500 kW: +N +
CMF
+ N + CMFStandard380 V <
U
n
≤
690 V
Form-wound HX_
and AM_
P
n
≥ 500 kW: +N +
d
u
/d
t
+ CMF
+ N + d
u
/d
t
with voltages over 500 V +
CMF
Check with
the motor
manufac-
turer.
380 V <
U
n
≤
690 V
Old
1)
form-
wound HX_ and
modular
+ N + CMFEnamelled
wire with
fiber glass
taping
0 V <
U
n
≤ 500 V
Random-wound
HX_ and AM_
2)
+ N + d
u
/d
t
+ CMF500 V <
U
n
≤
690 V
Consult the motor manufacturer.HDP
1)
manufactured before 1.1.1998
2)
For motors manufactured before 1.1.1998, check for additional instructions with the motor manufacturer.
Guidelines for planning the electrical installation 99