Technicial Specifications
Voltage/Frequency | 4000V ± 10%/60 Hz 4000V ± 10%/60 Hz |
Type of EX-Protection | Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC) Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC) |
Mounting Designation | F1 or F2 F1 or F2 |
Number of Poles | 6 poles 6 poles |
Electric Motor Type | Squirrel Cage Induction Motor Squirrel Cage Induction Motor |
Full Load Speed | 1189 r/min 1189 r/min |
Shaft | 5.1 in 130 mm |
Standards | NEMA MG1 NEMA MG1 |
Connection of Stator Winding | Star Star |
Locked Rotor Torque | 60% 60% |
No Load Current | 67 Amps 67 Amps |
Locked Rotor Amps | 500% Code E 500% Code E |
Service Factor | 1.15 SF (1.0 VFD) 1.15 SF (1.0 VFD) |
Enclosure Type/Method of Cooling | WP-II WP-II |
Duty | Continuous Continuous |
Temperature Rise | Class B at rated load Class B at rated load |
Maximum Ambient Temperature | 104 °F 40 °C |
Maximum Altitude - Before Derate | 3000 ft 1000 m |
Rated Torque | 6625 lb/ft 8982 N·m |
Full Load Current | 202 Amps 202 Amps |
Insulation | Class F Class F |
Advantages and Features
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
- 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