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Specifications
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Standard/Optional Equipment
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Voltage/Frequency
4000V ± 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
6poles
Electric Motor Type
Squirrel Cage Induction Motor
Full Load Speed
1189r/min
Shaft
5.1in
Standards
NEMA MG1
Connection of Stator Winding
Star
Locked Rotor Torque
60%
No Load Current
67 Amps
Locked Rotor Amps
500% Code E
Service Factor
1.15 SF (1.0 VFD)
Enclosure Type/Method of Cooling
WP-II
Duty
Continuous
Temperature Rise
Class B at rated load
Maximum Ambient Temperature
104°F
Maximum Altitude - Before Derate
3000ft
Rated Torque
6625lb/ft
Full Load Current
202 Amps
Insulation
Class F
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
Oversized, 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
Oversized, 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