Specially designed for manufacturers of axial fans, the W22 Fan and Exhaust motors are compact and an excellent choice for the following applications: fans and exhausters, tunnels, subways, air conditioning systems, underground coal mines, shopping malls, supermarkets and other applications.
| Standard |
NEMA MG-1 |
| Frequency |
60 Hz |
| Voltage |
208-230/460 V |
| Number of poles |
4 |
| Degree of Protection |
IP55 |
| Synchronous speed |
1800 rpm |
| Output rating |
50 HP |
| Mounting |
F-1 |
| Flange |
Without |
| Terminal box¹ |
Left position |
| Enclosure |
IC410 - TEAO |
Electric Motors
| Frame |
326YZ |
| Output |
50 HP (37 kW) |
| Number of Poles |
4 |
| Frequency |
60 Hz |
| Rated speed |
1775 rpm |
| Slip |
1.39 % |
| Rated voltage |
208-230/460 V |
| Rated current |
131-118/59.2 A |
| L. R. Amperes |
812-732/367 A |
| LRC |
6.2x(Code G) |
| No load current |
40.7-47.0/23.5 A |
| Rated torque |
148 ft.lb |
| Locked rotor torque |
229 % |
| Breakdown torque |
270 % |
| Locked rotor time |
27s (cold) 15s (hot) |
| Moment of inertia (J) |
9.16 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 |
IC410 - TEAO |
| Mounting |
F-1 |
| Rotation¹ |
Both (CW and CCW) |
| Noise level² |
66.0 dB(A) |
| Approx. weight³ |
536 lb |
Efficiency
| 50% |
93.0 |
| 75% |
94.1 |
| 100% |
94.5 |
Power factor
| 50% |
0.66 |
| 75% |
0.77 |
| 100% |
0.83 |
Features
| Frame Material |
Cast Iron |
| Impregnation Method |
Dip and Bake Polyester |
| Regreasing System |
At Drive end and Non-drive end |
| Main terminal box hole |
NPT 1 1/2" |
| Terminal Block |
Without |
| Shaft Locking Device |
Without |
| Drain |
Rubber, automatic |
| Shaft Material |
SAE 1040/45 Carbon Steel |
| Painting |
RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs |
Single |
| Fan Cover material |
Without Fan Cover |
| Tropicalized Painting |
Without |
| Fan material |
Without fan |
| Bearing cap |
Yes- Bearing Cap |
| Winding thermal protection |
Thermistor - 2 wires 1 per phase 155°C |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
12 |
Features
| Frame Material |
Cast Iron |
| Impregnation Method |
Dip and Bake Polyester |
| Regreasing System |
At Drive end and Non-drive end |
| Main terminal box hole |
NPT 1 1/2" |
| Terminal Block |
Without |
| Shaft Locking Device |
Without |
| Drain |
Rubber, automatic |
| Shaft Material |
SAE 1040/45 Carbon Steel |
| Painting |
RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs |
Single |
| Fan Cover material |
Without Fan Cover |
| Tropicalized Painting |
Without |
| Fan material |
Without fan |
| Bearing cap |
Yes- Bearing Cap |
| Winding thermal protection |
Thermistor - 2 wires 1 per phase 155°C |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
12 |
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