Description
Download Full Product Data Sheet
Drawings
Electric Motors
Frame | 254TC |
---|---|
Output | 15 HP (11 kW) |
Number of Poles | 2 |
Frequency | 60 Hz |
Rated speed | 3540 rpm |
Slip | 1.67 % |
Rated voltage | 230/460 V |
Rated current | 34.8/17.4 A |
L. R. Amperes | 237/118 A |
LRC | 6.8x(Code G) |
No load current | 12.0/6.00 A |
Rated torque | 22.3 ft.lb |
Locked rotor torque | 200 % |
Breakdown torque | 270 % |
Locked rotor time | 55s (cold) 31s (hot) |
Moment of inertia (J) | 1.19 sq.ft.lb |
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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. |
Degree of Protection | IP55 |
Enclosure | IC411 – TEFC |
Mounting | F-1 |
Rotation¹ | Both (CW and CCW) |
Noise level² | 75.0 dB(A) |
Approx. weight³ | 324 lb |
Efficiency
50% | 75% | 100% |
---|---|---|
90.0 | 90.5 | 91.0 |
Power factor
50% | 75% | 100% |
---|---|---|
0.74 | 0.83 | 0.87 |
Features
Frame Material | Cast Iron |
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Impregnation Method | Dip and Bake Polyester |
Regreasing System | At Drive end and Non-drive end |
Main terminal box hole | NPT 1 1/2″ |
Terminal Block | Without |
Shaft Locking Device | Without |
Drain | Sinterized, Exd |
Shaft Material | SAE 1040/45 Carbon Steel |
Painting | RAL 5009 202P (ISO 12944 – C4) |
Grounding Lugs | Single |
Fan Cover material | Cast Iron |
Tropicalized Painting | Without |
Fan material | Plastic |
Bearing cap | Yes- Bearing Cap |
Bolt Material | Carbon Steel |
Winding thermal protection | Thermostat – 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 |