Weg Electric 03712ET3Y250S/M-W22, 50 Hp, 1200 Rpm, 250S/M Frame, 460//380-415 Vac, TEFC, 3 PH, Foot-Mounted, W22 Tru-Metric

03712ET3Y250S/M-W22, 50 Hp, 1200 Rpm, 250S/M Frame, 460//380-415 Vac, TEFC, 3 PH, Foot-Mounted, W22 Tru-Metric

Engineering Data

Standard NEMA MG-1
Frequency 60 Hz
Voltage 460//380-415 V
Number of poles 6
Degree of Protection IP55
Synchronous speed 1200 rpm
Output rating 50 HP
Mounting Foot-mounted
Flange Without
Mounting B3L(E)
Terminal box¹ Right position
Enclosure IC411 - TEFC

Frame 250S/M
Output 50 HP (37 kW)
Number of Poles 6
Frequency 60 Hz
Rated speed 1187 rpm
Slip 1.08 %
Rated voltage 460 V
Rated current 58.8 A
L. R. Amperes 459 A
LRC 7.8
No load current 21.0 A
Rated torque 221 ft.lb
Locked rotor torque 270 %
Breakdown torque 280 %
Locked rotor time 52s (cold) 29s (hot)
Moment of inertia (J) 33.8 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 68.0 dB(A)