Requirements for ABB motors,
P
n
> 100 kW (134 hp)
See also Abbreviations (page 79).
Requirement forNominal AC line
voltage
Motor type
ABB d
u
/d
t
and common mode filters, insulated
N-end motor bearings
Motor insula-
tion system
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 VForm-wound HX_
and AM_
P
n
≥ 500 kW: +N +
d
u
/d
t
+ CMF
+ N + d
u
/d
t
with voltages over 500 V + CMFCheck 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 77