Weg Electric 35018ST3HIE449T-W22, 350 Hp, L447/9T Frame, 1800 RPM, 460 Vac, TEFC, 3 PH, Foot-mounted, W22 IEEE 841 NEMA Premium Efficiency.

35018ST3HIE449T-W22, 350 Hp, L447/9T Frame, 1800 RPM, 460 Vac, TEFC, 3 PH, Foot-mounted, W22 IEEE 841 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 575 V
Number of poles 4
Degree of Protection IP55
Synchronous speed 1800 rpm
Output rating 350 HP
Mounting Foot-mounted
Flange Without
Mounting F-1
Terminal box¹ Left position
Enclosure IC411 - TEFC

Frame L447/9T
Output 350 HP (260 kW)
Number of Poles 4
Frequency 60 Hz
Rated speed 1787 rpm
Slip 0.72 %
Rated voltage 575 V
Rated current 315 A
L. R. Amperes 2175 A
LRC 6.9x(Code G)
No load current 92.0 A
Rated torque 1030 ft.lb
Locked rotor torque 260 %
Breakdown torque 229 %
Locked rotor time 81s (cold) 45s (hot)
Moment of inertia (J) 131 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 77.0 dB(A)