This table shows the requirements when an ABB motor is in use.
Requirement forNominal AC line
voltage
Motor type
ABB du/dt 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
<
100 kW and
frame size
< IEC 315
P
n
≥ 469 hp
or
frame size >
NEMA 580
134 hp ≤ P
n
<
469 hp
or
NEMA 500 ≤
frame size ≤
NEMA 580
P
n
< 134 hp
and frame
size <
NEMA 500
+ N + CMF+ N-Standard
U
n
≤ 500 V
Random-wound M2_,
M3_ and M4_
+ N + du/dt +
CMF
+ N + du/dt+ du/dt
Standard
500 V < U
n
≤ 600 V
or
+ N + CMF+ N-Reinforced
+ N + du/dt +
CMF
+ N + du/dt+ du/dt
Reinforced
600 V < U
n
≤ 690 V
(cable length ≤
150 m)
+ N + CMF+ N-Reinforced
600 V < U
n
≤ 690 V
(cable length >
150 m)
P
n
< 500 kW:
+N + CMF
+ N + CMFn.a.Standard
380 V < U
n
≤ 690 V
Form-wound HX_
and AM_
P
n
≥ 500 kW:
+N + du/dt + CMF
+ N + du/dt with voltages over 500 V + CMF
Check with the
motor manu-
facturer.
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 + du/dt + 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.
74 Guidelines for planning the electrical installation