The W22 Brake Motor is the ideal motor for applications that require immediate, accurate and safe stops, and position control. They meet the needs of different applications, such as load elevators, hoists, shears, machining equipment, looms, packaging machines, conveyors, washing and bottling machines, bending machines, among others.
| Standard |
NEMA MG-1 |
| Frequency |
60 Hz |
| Voltage |
230/460 V |
| Number of poles |
2 |
| Degree of Protection |
IP55 |
| Synchronous speed |
3600 rpm |
| Output rating |
20 HP |
| Mounting |
F-1 |
| Flange |
Without |
| Terminal box¹ |
Left position |
| Enclosure |
IC411 - TEFC |
Electric Motors
| Frame |
254/6T |
| Output |
20 HP (15 kW) |
| Number of Poles |
2 |
| Frequency |
60 Hz |
| Rated speed |
3525 rpm |
| Slip |
2.08 % |
| Rated voltage |
230/460 V |
| Rated current |
46.4/23.2 A |
| L. R. Amperes |
283/142 A |
| LRC |
6.1x(Code G) |
| No load current |
13.0/6.50 A |
| Rated torque |
29.8 ft.lb |
| Locked rotor torque |
200 % |
| Breakdown torque |
240 % |
| Locked rotor time |
27s (cold) 15s (hot) |
| Moment of inertia (J) |
1.54 sq.ft.lb |
| Design |
B |
| 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) |
| Noise level² |
72.0 dB(A) |
| Approx. weight³ |
382 lb |
Efficiency
| 50% |
90.7 |
| 75% |
91.0 |
| 100% |
91.0 |
Power factor
| 50% |
0.80 |
| 75% |
0.87 |
| 100% |
0.89 |
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 |
Cast Iron |
| Tropicalized Painting |
Without |
| Fan material |
Aluminum |
| Brake Type |
WEG - 235.0 Nm |
| Brake input Voltage |
220-240 V |
| Bearing cap |
Yes- Bearing Cap |
| 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 |
Cast Iron |
| Tropicalized Painting |
Without |
| Fan material |
Aluminum |
| Brake Type |
WEG - 235.0 Nm |
| Brake input Voltage |
220-240 V |
| Bearing cap |
Yes- Bearing Cap |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
12 |
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