Electric Motors
Frame | 254/6TC |
---|---|
Output | 7.5 HP (5.5 kW) |
Number of Poles | 6 |
Frequency | 60 Hz |
Rated speed | 1175 rpm |
Slip | 2.08 % |
Rated voltage | 575 V |
Rated current | 8.16 A |
L. R. Amperes | 41.6 A |
LRC | 5.1x(Code F) |
No load current | 4.29 A |
Rated torque | 33.1 ft.lb |
Locked rotor torque | 200 % |
Breakdown torque | 229 % |
Locked rotor time | 66s (cold) 37s (hot) |
Moment of inertia (J) | 2.00 sq.ft.lb |
---|---|
Design | B |
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. |
Enclosure | IC01 - ODP |
Mounting | F-1 |
Rotation¹ | Both (CW and CCW) |
Noise level² | 59.0 dB(A) |
Approx. weight³ | 187 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% |
---|---|---|
88.5 | 90.2 | 90.2 |
Power factor
50% | 75% | 100% |
---|---|---|
0.56 | 0.68 | 0.75 |
Features
Frame Material | Rolled Steel |
---|---|
Impregnation Method | Dip and Bake Polyester |
Regreasing System | At Drive end and Non-drive end |
Main terminal box hole | 1.732" |
Terminal Block | Without |
Shaft Material | SAE 1040/45 Carbon Steel |
Painting | Munsell N 1 - Matte 207N (ISO 12944 - C2) |
Grounding Lugs | Superior |
Fan Cover material | Without Fan Cover |
Tropicalized Painting | Without |
Fan material | Without fan |
Bearing cap | Yes- Bearing Cap |
Bolt Material | Carbon Steel |
Balancing Method | 1/2 Key |
Drip Cover | Without |
Resilient Base | Without |
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