Description
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//50 Hz |
| Voltage | 208-230/460//380 V |
| Number of poles | 2 |
| Degree of Protection | IP55 |
| Synchronous speed | 3600 rpm |
| Output rating | 15 HP |
| Mounting | F-1 |
| Flange | Without |
| Terminal box¹ | Left position |
| Enclosure | IC410 - TEAO |
Electric Motors
| Frame | 256TZ |
|---|---|
| Output | 15 HP (11 kW) |
| Number of Poles | 2 |
| Frequency | 60 Hz |
| Rated speed | 3530 rpm |
| Slip | 1.94 % |
| Rated voltage | 208-230/460 V |
| Rated current | 38.1-34.5/17.2 A |
| L. R. Amperes | 255-231/115 A |
| LRC | 6.7x(Code G) |
| No load current | 10.3-12.0/6.00 A |
| Rated torque | 22.3 ft.lb |
| Locked rotor torque | 220 % |
| Breakdown torque | 270 % |
| Locked rotor time | 45s (cold) 25s (hot) |
| Moment of inertia (J) | 1.26 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 | IC410 - TEAO |
| Mounting | F-1 |
| Rotation¹ | Both (CW and CCW) |
| Approx. weight³ | 595 lb |
Efficiency
| 50% | 89.5 |
|---|---|
| 75% | 91.0 |
| 100% | 91.0 |
Power factor
| 50% | 0.77 |
|---|---|
| 75% | 0.85 |
| 100% | 0.88 |
Electric Motors
| Frame | 256TZ |
|---|---|
| Output | 15 HP (11 kW) |
| Number of Poles | 2 |
| Frequency | 50 Hz |
| Rated speed | 2910 rpm |
| Slip | 3.00 % |
| Rated voltage | 380 V |
| Rated current | 20.7 A |
| L. R. Amperes | 101 A |
| LRC | 4.9x(Code D) |
| No load current | 5.50 A |
| Rated torque | 27.1 ft.lb |
| Locked rotor torque | 170 % |
| Breakdown torque | 200 % |
| Locked rotor time | 36s (cold) 20s (hot) |
| Moment of inertia (J) | 1.26 sq.ft.lb |
| Design | B |
| Insulation Class | F |
| Service factor | 1.00 |
| 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) |
| Approx. weight³ | 595 lb |
Efficiency
| 50% | 89.5 |
|---|---|
| 75% | 90.2 |
| 100% | 89.5 |
Power factor
| 50% | 0.83 |
|---|---|
| 75% | 0.88 |
| 100% | 0.90 |
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 1/4" |
| 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 |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
| Connection Cables Quantity | 12 |
