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 |
1.5 HP |
Mounting |
F-1 |
Flange |
Without |
Terminal box¹ |
Left position |
Enclosure |
IC411 - TEFC |
Electric Motors
Frame |
143/5T |
Output |
1.5 HP (1.1 kW) |
Number of Poles |
4 |
Frequency |
60 Hz |
Rated speed |
1755 rpm |
Slip |
2.50 % |
Rated voltage |
575 V |
Rated current |
1.62 A |
L. R. Amperes |
13.6 A |
LRC |
8.4x(Code L) |
No load current |
0.880 A |
Rated torque |
4.49 ft.lb |
Locked rotor torque |
290 % |
Breakdown torque |
350 % |
Locked rotor time |
25s (cold) 14s (hot) |
Moment of inertia (J) |
0.1431 sq.ft.lb |
Design |
B |
Insulation Class |
F |
Service factor |
1.25 |
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 |
51.0 dB(A) |
Approx. weight³ |
49.9 lb |
Efficiency
50% |
82.5 |
75% |
85.5 |
100% |
86.5 |
Power factor
50% |
0.60 |
75% |
0.70 |
100% |
0.79 |
Features
Frame Material |
Cast Iron |
Impregnation Method |
Dip and Bake Polyester |
Main terminal box hole |
NPT 3/4" |
Terminal Block |
Without |
Shaft Locking Device |
Without |
Drain |
Rubber, automatic |
Shaft Material |
SAE 1040/45 Carbon Steel |
Painting |
RAL 5009 207A (ISO 12944 - C2) |
Grounding Lugs |
Single |
Fan Cover material |
Steel |
Tropicalized Painting |
Without |
Fan material |
Plastic |
Bearing cap |
No-Without 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 |
Dip and Bake Polyester |
Main terminal box hole |
NPT 3/4" |
Terminal Block |
Without |
Shaft Locking Device |
Without |
Drain |
Rubber, automatic |
Shaft Material |
SAE 1040/45 Carbon Steel |
Painting |
RAL 5009 207A (ISO 12944 - C2) |
Grounding Lugs |
Single |
Fan Cover material |
Steel |
Tropicalized Painting |
Without |
Fan material |
Plastic |
Bearing cap |
No-Without Bearing Cap |
Balancing Method |
1/2 Key |
Drip Cover |
Without |
Overload protector (phenolic) |
Without overload protector |
Connection Cables Quantity |
6 |
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