Photos
Exterior View
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Specs
Electric Motor Specifications
- Number of Poles
- 8
- Full Load Speed
- 894 rpm
- Electric Motor Type
- Squirrel Cage Induction Motor
- Voltage/Frequency
- 4000V & 4160V ± 10%/60 Hz
- Type of EX-Protection
- Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)
- Mounting Designation
- F1 or F2
- Enclosure Type/Method of Cooling
- WP-II
- Insulation
- Class F
- Service Factor
- 1.15 SF (1.0 VFD)
- Standards
- NEMA MG1
- Maximum Ambient Temperature
- 104°F
- Maximum Altitude - Before Derate
- 3300ft
- Duty
- Continuous
- Temperature Rise
- Class B at rated load
- Connection of Stator Winding
- Star
- Full Load Current
- 458 Amps
- Locked Rotor Amps
- 540% Code E
- Locked Rotor Torque
- 60%
- No Load Current
- 137 Amps
- Rated Torque
- 20555lb/ft
- Shaft
- 8.5in
- Full Load Speed
- 894 rpm
- Number of Poles
- 8
Features
Standard Equipment
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- Bearings
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- Bearing RTDs for temperature monitoring
- Insulated non-drive end bearings to reduce bearing currents
- Anti-friction on 1500 hp (optional)
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- Rotors
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- Designed for minimal vibration
- Dynamic balancing at full operational speed
- Fabricated copper squirrel cages
- Forged, keyless shaft
- AISI 4140/DIN42CrMo4 shaft
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- Stators
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- Radial air ducts ensure uniform and efficient cooling
- Vacuum pressure impregnated with specially formulated epoxy resin
- 2X RTDS per Phase
- Space heater
- Welded and machined stator core retains its rigidity throughout motor life to ensure a sealed and homogeneous insulation system that results in high dielectric strength, excellent heat transfer and the elimination of hazardous internal partial discharges