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s
D
B
B
C
C
U
D
H
E
K
F
H
J
K
L
03
M
04
N
05
P
06
V
08
W
10
X
12
Y
A
B
0
C
1
D
2
E
3
F
4
5
6
7
8
Synchronous machine
Typical notation for
Synchronous generators
IM B… Eex n, e
IP 21
IP 23
IP 00
710 mm frame size
450 mm frame size
salient pole rotor
Diameter of stator core (coded)
IP 11
1 D B 06 24 - 4 A V 03 - Z
50/
≤
0.5
IP 44/54/55/56 Tube
IP 44/54/55/56 CACA
IP 44/54/55/56 CACW
IM B... E(Ex) p
IM B... E(Ex) n, E(Ex) e
IM 7… no Ex protection
IM 7… Ex protection
IP W24
IP 20
50/ >11.0
IM B... no Ex-protection
60/ 13.8
630 mm frame size
60/ >13.8
60/
≤
0.5
60/
≤
1.0
Length of stator core (coded)
Degree of protection
Mounting and Ex-protection
60/ 6.6
500 mm frame size
60/ 6.6 - 13.8
60/ <4.16
60/ 4.16
400 mm frame size
60/ 4.16 - 6.6
50/ <6.3
cylindrical rotor, steem and gas turbine
50/ 11.0
50/ 6.3
50/ 6.3 - 11.0
800 mm frame size
50/
≤
1.0
560 mm frame size
Number of pole pairs
Standard frame size just For 1DB, 1DC
Salient pole rotor, water turbine
Salient pole rotor, piston machine
Rotor type
Stator voltage and frequency
cylindrical rotor
Revision A 27.05.10
Siemens Electric Machines s.r.o.