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Specifications
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Standard/Optional Equipment
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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
Number of Poles
8
Full Load Speed
892r/min
Electric Motor Type
Squirrel Cage Induction Motor
Enclosure Type/Method of Cooling
WP-II
Rated Torque
17658lb/ft
Maximum Altitude - Before Derate
3300ft
Maximum Ambient Temperature
104°F
Connection of Stator Winding
Star
Shaft
8.5in
Standards
NEMA MG1
Insulation
Class F
Temperature Rise
Class B at rated load
Duty
Continuous
Locked Rotor Torque
50%
Full Load Current
390 Amps
Service Factor
1.15 SF (1.0 VFD)
Locked Rotor Amps
490% Code E
No Load Current
108 Amps
Bearings
Bearing RTDs for temperature monitoring
Insulated non-drive end bearings to reduce bearing currents
Anti-friction on 1500 hp (optional)
Rotors
Designed for minimal vibration
Dynamic balancing at full operational speed
Fabricated copper squirrel cages
Forged, keyless shaft
AISI 4140/DIN42CrMo4 shaft
Stators
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
ALL
Bearings
Bearing RTDs for temperature monitoring
Insulated non-drive end bearings to reduce bearing currents
Anti-friction on 1500 hp (optional)
Rotors
Designed for minimal vibration
Dynamic balancing at full operational speed
Fabricated copper squirrel cages
Forged, keyless shaft
AISI 4140/DIN42CrMo4 shaft
Stators
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