ABB ACS800 Series - Page 41

Planning the electrical installation
41
Note 2: Explosion-safe (EX) motors
The motor manufacturer should be consulted regarding the construction of the motor
insulation and additional requirements for explosion-safe (EX) motors.
Note 3: ABB high-output motors 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 AC supply
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 + N + du/dt + N + du/dt + CMF
or
Reinforced - + N + N + CMF
600 V < U
N
< 690 V Reinforced + du/dt + N + du/dt + N + du/dt + CMF