Exterior View
Product Specs
Electric Motor Specifications
- Type of EX-Protection
- Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)
- Mounting Designation
- F1 or F2
- Voltage/Frequency
- 4000V & 4160V ± 10%/60 Hz
- Full Load Speed
- 894 rpm
- Electric Motor Type
- Squirrel Cage Induction Motor
- Number of Poles
- 8
- Maximum Ambient Temperature
- 104 °F
- Full Load Current
- 458 Amps
- Shaft
- 8.5 in
- Rated Torque
- 20555 lb/ft
- Maximum Altitude - Before Derate
- 3300 ft
- Locked Rotor Amps
- 540% Code E
- Connection of Stator Winding
- Star
- Standards
- NEMA MG1
- Duty
- Continuous
- Enclosure Type/Method of Cooling
- WP-II
- Locked Rotor Torque
- 60%
- Service Factor
- 1.15 SF (1.0 VFD)
- No Load Current
- 137 Amps
- Insulation
- Class F
- Temperature Rise
- Class B at rated load
Standard Equipment
-
- 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