4 Description
12 of 36
KSB IE3-Motor
4 Description
4.1 General description
Low-voltage asynchronous motor of efficiency class IE3 to IEC 60034-30 for operation
on the public power grid or on a frequency inverter.
4.2 Designation
Table 4:
Designation example
Position
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
- 2 - 4 5
,
0 - 2
2
5
M
-
B
W
A
6
F
3
N
T
S
D
W
F
U
W
K
S
W
Table 5:
Designation key
Position Code
Description
1-2
Number of poles
2
2 poles
4
4 poles
4-7
Rated power
4 5 , 0
45 kW (0.55 ... 45.0 kW)
9-12
IEC size
2 2 5 M Shaft centreline height [mm] = IEC size
14
Enclosure
B
IP55
15
Type of protection
W
Non-explosionproof
16
Rated voltage and rated frequency
A
3~, AC, 220 VΔ, 380 VY, 50 Hz
17
Efficiency class
6
IE3
18
Thermal class
F
Thermal class F
19
Motor and winding protection
3
3 PTCs
20
Direction of rotation
N
Clockwise and counter-clockwise (bi-directional)
21
Position of terminal box
T
Terminal box on top
22
Feet attached by bolts
S
Feet attached by bolts
W
Without feet
H
Integrally cast feet
23
Position of fixed bearing
D
Fixed bearing, drive end
24
Protective roof
W
Without protective roof
25
Motor flange
F
EN 50347 Type FF
W
Without flange
26
Operation on inverter
U
Operation on inverter permitted
27
Approval