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 |
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 |
1780 rpm |
Slip |
1.11 % |
Rated voltage |
575 V |
Rated current |
136 A |
L. R. Amperes |
898 A |
LRC |
6.6x(Code G) |
No load current |
46.4 A |
Rated torque |
443 ft.lb |
Locked rotor torque |
200 % |
Breakdown torque |
250 % |
Locked rotor time |
48s (cold) 27s (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 |
1844 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 |
At Drive end and Non-drive end |
Main terminal box hole |
2xNPT 3" |
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 |
At Drive end and Non-drive end |
Main terminal box hole |
2xNPT 3" |
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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