s
T
C B
V C
D
E
F
H
J
K
L
M
0 N
1 P
2
3
4
5 A
6 B
7 C
8 D
E
F IM B… Eex n, e
Typical notation for
Asynchronous motors
IM 7… no Ex protection
IM 7… Ex protection
Mounting and Ex-protection
IM B... no Ex-protection
IM B... E(Ex) p
IM B... E(Ex) n, E(Ex) e
50/ <6.0
50/ 6.0
50/ 10.0
50/ 6.0<U<10.0
60/ 4.0
60/ 4.0<U<6.6
IP 44/54/55/56 Tube
IP 44/54/55/56 CACA
60/ >13.2
60/ 6.6<U<13.2
60/ 13.2
60/ 6.6
IP 44/54/55/56 CACW
IP 23
IP W24
IP 20
IP 21
IP 00
IP 11
Degree of protection
Diameter of stator core (coded)
50/ >10.0
60/ <4.0
Length of stator core (coded)
1 T V 12 44 - 8 A E 02 - Z
Number of pole pairs
squirrel cage rotor
squirrel cage rotor, A-modyn
Asynchronous machine
Rotor type Stator voltage and frequency
Revision A 27.05.10
Siemens Electric Machines s.r.o.