Weg Electric 18512ET3Y355M/L-W22, 250 Hp, 355M/L Frame, 1200 RPM, 460//380-415 Vac, TEFC, 3 PH, Foot-mounted, W22 Tru-Metric IE3.

18512ET3Y355M/L-W22, 250 Hp, 355M/L Frame, 1200 RPM, 460//380-415 Vac, TEFC, 3 PH, Foot-mounted, W22 Tru-Metric IE3.

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 6
Degree of Protection IP55
Synchronous speed 1200 rpm
Output rating 250 HP
Mounting Foot-mounted
Flange Without
Mounting B3L(E)
Terminal box¹ Right position
Enclosure IC411 - TEFC

Frame 355M/L
Output 250 HP (185 kW)
Number of Poles 6
Frequency 60 Hz
Rated speed 1195 rpm
Slip 0.42 %
Rated voltage 460 V
Rated current 311 A
L. R. Amperes 2208 A
LRC 7.1
No load current 154 A
Rated torque 1100 ft.lb
Locked rotor torque 250 %
Breakdown torque 290 %
Locked rotor time 86s (cold) 48s (hot)
Moment of inertia (J) 264 sq.ft.lb
Design N
Insulation Class F
Service factor 1.15
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 77.0 dB(A)