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
Table4: 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
Table5: 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, 50Hz
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