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