Description
Advanced Design Rock Crusher Motors are engineered to resist harsh environmental conditions while providing reliable performance under the heavy daily usage required by the aggregate industry. Featuring high starting and breakdown torques this motor is an excellent choice for many high-impact, heavy-duty industries and applications like hammermills, pellet mills, and chippers.
Features of the 250HP 1800RPM 449T Rock Crusher Motor
- Meets or exceeds NEMA Premium® Efficiency Requirements defined by NEMA MG-1, Table 12-12
- Class I, Div II Groups ABCD, T2B
- Suitable for wye-delta start on 213T frame and above
- Dual voltage ratings suitable for part wind start on lower voltage
- Single voltage ratings suitable for part wind start at 460V are noted
1.15 Service Factor @ 60 hertz; 1.0 Service Factor @ 50 hertz - Suitable for 575V @ 1.0 Service Factor
- Inverter Duty (20:1 variable torque; 10:1 constant torque)
- Vacuum Pressure Impregnation for all windings
- Sealed bearings thru 215T frame
- Mechanical “V” Seal on drive end
- Class F insulation system, class B rise at full load
- 40° C ambient continuous duty
- Corrosion resistant paint
- Greasable bearings 254T frame and above
- Stainless steel nameplate and zinc plated hardware
F1/F2 reversible - Feet are dual drilled on most frames for mounting flexibility
- Cast iron frame construction including the conduit box
- C-Flange and D-Flange field conversion kits available
- Lifting provisions on 143T frame
- Condensation drains with plastic plugs
- IP55 Protection – Terminal box is sealed for IP66 protection
- CSA + C + US Certification
- ISO 9001 Certification
Product Details
| Weight | 2247 lbs |
|---|---|
| HP |
250 |
| RPM |
1800 |
| Mult. Sym. |
M16 |
| Frame |
449T |
| Volts |
460 |
| Enclosure |
TEFC |
| F.L. Eff. |
96.2 |
| Notes |
1,2,4 |
| "C" Dim. |
52.8 |
| F.L. Amps |
280 |