Description
Download Full Product Data Sheet
Drawings
Electric Motors
Frame | 447/9TS |
---|---|
Output | 400 HP (300 kW) |
Number of Poles | 2 |
Frequency | 60 Hz |
Rated speed | 3565 rpm |
Slip | 0.97 % |
Rated voltage | 460 V |
Rated current | 442 A |
L. R. Amperes | 2873 A |
LRC | 6.5x(Code G) |
No load current | 100 A |
Rated torque | 589 ft.lb |
Locked rotor torque | 170 % |
Breakdown torque | 250 % |
Locked rotor time | 25s (cold) 14s (hot) |
Moment of inertia (J) | 39.1 sq.ft.lb |
---|---|
Design | A |
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 | IP23 |
Enclosure | IC01 – ODP |
Mounting | F-1 |
Rotation¹ | Both (CW and CCW) |
Noise level² | 87.0 dB(A) |
Approx. weight³ | 2027 lb |
Efficiency
50% | 75% | 100% |
---|---|---|
95.4 | 95.8 | 95.8 |
Power factor
50% | 75% | 100% |
---|---|---|
0.83 | 0.88 | 0.89 |
Features
Frame Material | Cast Iron |
---|---|
Impregnation Method | Constant Resin Flow |
Regreasing System | At Drive end and Non-drive end |
Main terminal box hole | 2xNPT 3″ |
Terminal Block | Without |
Shaft Locking Device | Without |
Shaft Material | SAE 4140 Carbon Steel |
Painting | RAL 5009 203A (ISO 12944 – C2) |
Grounding Lugs | Double |
Fan Cover material | Without Fan Cover |
Tropicalized Painting | Without |
Fan material | Without fan |
Bearing cap | Yes- Bearing Cap |
Bolt Material | Carbon Steel |
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 |