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.
| Standard |
NEMA MG-1 |
| Frequency |
60 Hz |
| Voltage |
460 V |
| Number of poles |
8 |
| Degree of Protection |
IP55 |
| Synchronous speed |
900 rpm |
| Output rating |
400 HP |
| Mounting |
F-1 |
| Flange |
Without |
| Terminal box¹ |
Left position |
| Enclosure |
IC411 - TEFC |
Electric Motors
| Frame |
588/9T |
| Output |
400 HP (300 kW) |
| Number of Poles |
8 |
| Frequency |
60 Hz |
| Rated speed |
894 rpm |
| Slip |
0.67 % |
| Rated voltage |
460 V |
| Rated current |
498 A |
| L. R. Amperes |
3586 A |
| LRC |
7.2x(Code J) |
| No load current |
240 A |
| Rated torque |
2350 ft.lb |
| Locked rotor torque |
200 % |
| Breakdown torque |
250 % |
| Locked rotor time |
45s (cold) 25s (hot) |
| Moment of inertia (J) |
537 sq.ft.lb |
| Insulation Class |
F |
| 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) |
| Approx. weight³ |
5072 lb |
Efficiency
| 50% |
95.0 |
| 75% |
95.6 |
| 100% |
95.8 |
Power factor
| 50% |
0.62 |
| 75% |
0.73 |
| 100% |
0.79 |
Features
| Frame Material |
Cast Iron |
| Impregnation Method |
Constant Resin Flow |
| Regreasing System |
Extended, at Drive end and Non-drive end |
| Space Heater Voltage |
200 - 240 V |
| Main terminal box hole |
2xNPT 4" |
| Terminal Block |
Without |
| Shaft Locking Device |
Without |
| Drain |
Rubber, automatic |
| Shaft Material |
SAE 4140 Carbon Steel |
| Painting |
RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs |
Double |
| Fan Cover material |
Cast Iron |
| Tropicalized Painting |
Without |
| Fan material |
Plastic |
| Bearing cap |
Yes- Bearing Cap |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
6 |
Features
| Frame Material |
Cast Iron |
| Impregnation Method |
Constant Resin Flow |
| Regreasing System |
Extended, at Drive end and Non-drive end |
| Space Heater Voltage |
200 - 240 V |
| Main terminal box hole |
2xNPT 4" |
| Terminal Block |
Without |
| Shaft Locking Device |
Without |
| Drain |
Rubber, automatic |
| Shaft Material |
SAE 4140 Carbon Steel |
| Painting |
RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs |
Double |
| Fan Cover material |
Cast Iron |
| Tropicalized Painting |
Without |
| Fan material |
Plastic |
| Bearing cap |
Yes- Bearing Cap |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
6 |
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