ABB ACS800-04 Hardware Manual page 42

42 Planning the electrical installation
Explosion-safe (EX) motors
Note 2:
The motor manufacturer should be consulted regarding the construction of the
motor insulation and additional requirements for explosion-safe (EX) motors.
ABB high-output motors and IP23 motors
Note 3:
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
U < 500 V
N
U
500 V < < 600 V
N
U
600 V < < 690 V
N
Motor ABB d
insulation
system
P
< 100 kW
N
P
< 140 hp
N
Standard -
u t
Standard + d /d
or
Reinforced -
u t
Reinforced + d /d
Requirement for
u t
/d and common mode filters, insulated N-end motor
bearings
100 kW <
140 hp <
+ N
u
+ N + d /d
+ N
u
+ N + d /d
P P
< 200 kW > 200 kW
N N
P P
< 268 hp > 268 hp
N N
+ N + CMF
t u
+ N + d
+ N + CMF
t u
+ N + d
t
/d + CMF
t
/d + CMF