The W22 IEEE841 motors are designed for the petrochemical and chemical industries. They have rugged construction and long service life, for the most demanding industrial applications.
| Standard |
NEMA MG-1 |
| Frequency |
60 Hz |
| Voltage |
575 V |
| Number of poles |
4 |
| Degree of Protection |
IP55 |
| Synchronous speed |
1800 rpm |
| Output rating |
150 HP |
| Mounting |
F-1 |
| Flange |
Without |
| Terminal box¹ |
Left position |
| Enclosure |
IC411 - TEFC |
Electric Motors
| Frame |
444/5T |
| Output |
150 HP (110 kW) |
| Number of Poles |
4 |
| Frequency |
60 Hz |
| Rated speed |
1784 rpm |
| Slip |
0.89 % |
| Rated voltage |
575 V |
| Rated current |
136 A |
| L. R. Amperes |
898 A |
| LRC |
6.6x(Code G) |
| No load current |
44.8 A |
| Rated torque |
442 ft.lb |
| Locked rotor torque |
200 % |
| Breakdown torque |
240 % |
| Locked rotor time |
39s (cold) 22s (hot) |
| Moment of inertia (J) |
66.7 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 |
73.0 dB(A) |
| Approx. weight³ |
1782 lb |
Efficiency
| 50% |
95.4 |
| 75% |
95.8 |
| 100% |
95.8 |
Power factor
| 50% |
0.74 |
| 75% |
0.82 |
| 100% |
0.85 |
Features
| Frame Material |
Cast Iron |
| Impregnation Method |
Constant Resin Flow |
| Regreasing System |
Extended in Stainless Steel, at Drive end and Non-drive end |
| Main terminal box hole |
2xNPT 3" |
| Terminal Block |
Without |
| Shaft Locking Device |
With |
| Drain |
Type T, Threaded |
| Shaft Material |
SAE 4140 Carbon Steel |
| Painting |
RAL 5009 202E (ISO 12944 - C4) |
| Grounding Lugs |
Double |
| Fan Cover material |
Cast Iron |
| Tropicalized Painting |
According to IEEE-841 (96h) |
| Joints Seal |
Molykote |
| Foot flatness |
(0.005 pol) 0.127 mm |
| Fan material |
Conductive Plastic |
| Bearing cap |
Yes- Bearing Cap |
| Bolt Material |
Carbon Steel |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
3 |
Features
| Frame Material |
Cast Iron |
| Impregnation Method |
Constant Resin Flow |
| Regreasing System |
Extended in Stainless Steel, at Drive end and Non-drive end |
| Main terminal box hole |
2xNPT 3" |
| Terminal Block |
Without |
| Shaft Locking Device |
With |
| Drain |
Type T, Threaded |
| Shaft Material |
SAE 4140 Carbon Steel |
| Painting |
RAL 5009 202E (ISO 12944 - C4) |
| Grounding Lugs |
Double |
| Fan Cover material |
Cast Iron |
| Tropicalized Painting |
According to IEEE-841 (96h) |
| Joints Seal |
Molykote |
| Foot flatness |
(0.005 pol) 0.127 mm |
| Fan material |
Conductive Plastic |
| Bearing cap |
Yes- Bearing Cap |
| Bolt Material |
Carbon Steel |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
3 |
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