Weg Electric 40018ST3QIE449T-W22, 400 Hp, 1800 Rpm, L447/9T Frame, 460 Vac, TEFC, 3 PH, Foot-mounted, NEMA Premium Efficiency.

40018ST3QIE449T-W22, 400 Hp, 1800 Rpm, L447/9T Frame, 460 Vac, TEFC, 3 PH, Foot-mounted, NEMA Premium Efficiency.

Engineering Data

The W22 IEEE 841 motors were especially designed to operate in petrochemical and chemical industries. The motor has cast iron frame, flexible mounting, solid and whole feet, low noise levels, anticorrosive internal coating and high efficiency.

Product features
Standard NEMA MG-1
Frequency 60 Hz
Voltage 460 V
Number of poles 4
Degree of Protection IP55
Synchronous speed 1800 rpm
Output rating 400 HP
Mounting Foot-mounted
Flange Without
Mounting F-1
Terminal box¹ Left position
Enclosure IC411 - TEFC

Frame L447/9T
Output 400 HP (300 kW)
Number of Poles 4
Frequency 60 Hz
Rated speed 1785 rpm
Slip 0.83 %
Rated voltage 460 V
Rated current 445 A
L. R. Amperes 2893 A
LRC 6.5x(Code G)
No load current 125 A
Rated torque 1180 ft.lb
Locked rotor torque 250 %
Breakdown torque 260 %
Locked rotor time 37s (cold) 21s (hot)
Moment of inertia (J) 136 sq.ft.lb
Design B
Insulation Class F
Service factor 1.15
Temperature rise 80 K
Duty Cycle Cont.(S1)
Starting Method Direct On Line
Ambient temperature -20°C to +40°C
Altitude 1000 m.a.s.l.
Degree of Protection IP55
Enclosure IC411 - TEFC
Mounting F-1
Rotation¹ Both (CW and CCW)
Noise level² 79.0 dB(A)