Hardware Manual

Table Of Contents
Planning the electrical installation 63
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 ABB
random-wound motor series (for example, M3AA, M3AP and M3BP).
Nominal mains
voltage (AC line
voltage)
Requirement for
Motor
insulation
system
ABB du/dt and common mode filters, insulated N-
end motor bearings
P
N
< 100 kW 100 kW < P
N
<
200 kW
P
N
> 200 kW
P
N
< 140 hp 140 hp < P
N
<
268 hp
P
N
> 268 hp
U
N
< 500 V Standard - + N + N + CMF
500 V < U
N
< 600 V Standard + du/dt + du/dt + N + du/dt + N +
CMF
or
Reinforced - + N + N + CMF
600 V < U
N
< 690 V Reinforced + du/dt + du/dt + N + du/dt + N +
CMF