Electric Motors
Frame | 404/5T |
---|---|
Output | 75 HP (55 kW) |
Number of Poles | 6 |
Frequency | 60 Hz |
Rated speed | 1184 rpm |
Slip | 1.33 % |
Rated voltage | 575 V |
Rated current | 67.9 A |
L. R. Amperes | 435 A |
LRC | 6.4x(Code G) |
No load current | 24.0 A |
Rated torque | 333 ft.lb |
Locked rotor torque | 229 % |
Breakdown torque | 229 % |
Locked rotor time | 30s (cold) 17s (hot) |
Moment of inertia (J) | 40.2 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 | 1188 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% |
---|---|---|
94.1 | 94.5 | 94.5 |
Power factor
50% | 75% | 100% |
---|---|---|
0.74 | 0.83 | 0.86 |
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 |
Drip Cover | Without |
Overload protector (phenolic) | Without overload protector |
Connection Cables Quantity | 6 |
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