Weg Electric 03709ET3Y280S/M-W22, 50 Hp, 900 Rpm, 280S/M Frame, 460//380-415 Vac, TEFC, 3 PH, Foot-Mounted, W22 Tru-Metric

03709ET3Y280S/M-W22, 50 Hp, 900 Rpm, 280S/M Frame, 460//380-415 Vac, TEFC, 3 PH, Foot-Mounted, W22 Tru-Metric

Engineering Data

With cast iron frame, flexible mounting, solid and whole feet, and lower noise levels and operating temperatures, the W22 motors are perfectly suitable for a great variety of industrial applications.

Product features
Standard NEMA MG-1
Frequency 60 Hz
Voltage 460//380-415 V
Number of poles 8
Degree of Protection IP55
Synchronous speed 900 rpm
Output rating 50 HP
Mounting Foot-mounted
Flange Without
Mounting B3L(E)
Terminal box¹ Right position
Enclosure IC411 - TEFC

Frame 280S/M
Output 50 HP (37 kW)
Number of Poles 8
Frequency 60 Hz
Rated speed 890 rpm
Slip 1.11 %
Rated voltage 460 V
Rated current 64.1 A
L. R. Amperes 429 A
LRC 6.7
No load current 31.8 A
Rated torque 295 ft.lb
Locked rotor torque 200 %
Breakdown torque 270 %
Locked rotor time 81s (cold) 45s (hot)
Moment of inertia (J) 66.9 sq.ft.lb
Design N
Insulation Class F
Service factor 1.25
Temperature rise 80 K
Duty Cycle 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 B3L(E)
Rotation¹ Both (CW and CCW)
Noise level² 63.0 dB(A)