Description
Electric Motors
| Frame | 404/5T |
|---|---|
| Output | 100 HP (75 kW) |
| Number of Poles | 4 |
| Frequency | 60 Hz |
| Rated speed | 1780 rpm |
| Slip | 1.11 % |
| Rated voltage | 230/460 V |
| Rated current | 226/113 A |
| L. R. Amperes | 1650/825 A |
| LRC | 7.3x(Code H) |
| No load current | 76.0/38.0 A |
| Rated torque | 295 ft.lb |
| Locked rotor torque | 240 % |
| Breakdown torque | 260 % |
| Locked rotor time | 23s (cold) 13s (hot) |
| Moment of inertia (J) | 29.9 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 | 68.0 dB(A) |
| Approx. weight³ | 1173 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% |
|---|---|---|
| 95.0 | 95.0 | 95.4 |
Power factor
| 50% | 75% | 100% |
|---|---|---|
| 0.77 | 0.84 | 0.87 |
Features
| Frame Material | Cast Iron |
|---|---|
| Impregnation Method | Constant Resin Flow |
| Regreasing System | At Drive end and Non-drive end |
| Main terminal box hole | NPT 3″ |
| Terminal Block | Without |
| Shaft Locking Device | Without |
| Drain | Rubber, automatic |
| Shaft Material | SAE 4140 Carbon Steel |
| Painting | RAL 5009 203A (ISO 12944 – C2) |
| Grounding Lugs | Double |
| Fan Cover material | Cast Iron |
| Tropicalized Painting | Without |
| Fan material | Plastic |
| Bearing cap | Yes- Bearing Cap |
| Balancing Method | 1/2 Key |
| Drip Cover | Without |
| Overload protector (phenolic) | Without overload protector |
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