Electric Motors
Frame | 444/5T |
---|---|
Output | 75 HP (55 kW) |
Number of Poles | 8 |
Frequency | 60 Hz |
Rated speed | 890 rpm |
Slip | 1.11 % |
Rated voltage | 460 V |
Rated current | 93.0 A |
L. R. Amperes | 558 A |
LRC | 6.0x(Code G) |
No load current | 40.0 A |
Rated torque | 443 ft.lb |
Locked rotor torque | 180 % |
Breakdown torque | 210 % |
Locked rotor time | 32s (cold) 18s (hot) |
---|---|
Design | A |
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 | 63.0 dB(A) |
Approx. weight³ | 1444 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 | 93.6 | 93.6 |
Power factor
50% | 75% | 100% |
---|---|---|
0.64 | 0.74 | 0.79 |
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 | BMC - 21 pins |
Shaft Locking Device | With |
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 |
Connection Cables Quantity | 12 |
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