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Product documentation 1D 3.8.en Rev. E, 10/13 page 10/42
Diameter of stator core (coded)
Standard frame size just For 1DB, 1DC
400 mm frame size 03
450 mm frame size 04
500 mm frame size 05
560 mm frame size 06
630 mm frame size 08
710 mm frame size 10
800 mm frame size 12
Rotor type
cylindrical rotor B
salient pole rotor C
cylindrical rotor, steam and gas turbine U
Salient pole rotor, water turbine H
Salient pole rotor, piston machine K
Stator frequency and voltage
Hz/kV
B 50/ <6.3
C 50/ 6.3
D 50/ 6.3 - 11.0
E 50/ 11.0
F 50/ >11.0
H 60/ <4.16
J 60/ 4.16
K 60/ 4.16 - 6.6
L 60/ 6.6
M 60/ 6.6 - 13.8
N 60/ 13.8
P 60/ >13.8
V 50/≤0.5
W 50/≤1.0
X 60/≤0.5
Y 60/≤1.0
1.3 Type marking of generators
Degree of protection
IP 00 0
IP 11 1
IP 20 2
IP 21 3
IP 23 4
IP W24 5
IP 44/54/55/56 Tube 6
IP 44/54/55/56 CACA 7
IP 44/54/55/56 CACW 8
Synchronous machine
D
Number of pole pairs
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
Length of stator core (coded)