Electric Motors
| Frame | 324/6TS |
|---|---|
| Output | 50 HP (37 kW) |
| Number of Poles | 2 |
| Frequency | 60 Hz |
| Rated speed | 3550 rpm |
| Slip | 1.39 % |
| Rated voltage | 575 V |
| Rated current | 44.9 A |
| L. R. Amperes | 278 A |
| LRC | 6.2x(Code F) |
| No load current | 12.0 A |
| Rated torque | 73.0 ft.lb |
| Locked rotor torque | 220 % |
| Breakdown torque | 229 % |
| Locked rotor time | 41s (cold) 23s (hot) |
| Moment of inertia (J) | 5.75 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 | 78.0 dB(A) |
| Approx. weight³ | 571 lb |
(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.
Efficiency
| 50% | 75% | 100% |
|---|---|---|
| 93.0 | 93.0 | 93.0 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.83 | 0.87 | 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 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 | Plastic |
| Bearing cap | Yes- Bearing Cap |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
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Bearing details
| Drive End | Non Drive End | |
|---|---|---|
| Bearing type | 6312 C3 | 6212 C3 |
| Sealing | V'Ring | V'Ring |
| Lubrication interval | 12000 h | 15000 h |
| Lubricant amount | 21 g | 13 g |
| Grease Type | Mobil Polyrex EM | |
Foundation loads
| Max. traction | Max. compression |
|---|---|
| 367 lb | 938 lb |
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