Description
Marathon® Blue Chip® AC Motor, 6-Pole Continuous-Duty, Explosion Proof AC Motors, Severe Duty Motors, Inverter Ready Special Features, 50 hp, 230/460 V AC, 123/61.5 A, 60 Hz Frequency, 3 ph, 1182 rpm Speed, 1 Speed, XPFC Enclosure, 365T Frame, 2.38 in Dia x 6.12 in L Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 280 ft-lb Torque, Rigid Base Mounting, 40 deg C, Insulation Class: Class F, Cast Iron, 2:1 Constant Torque Speed, 10:1 Variable Torque Speed, 32.74 in L x 30.74 in W x 22.39 in H Dimensions
Features:
- Blue Chip® motor quality, 100% cast iron construction for rigidity and reduced vibration
- Internal and external surfaces treated with epoxy paint
- Normally closed thermostats (must be connected to control circuit)
- Shaft slinger
- Meets temperature code T3B
- Horizontal motor orientation
- Squirrel cage inverter rated
- Constant torque operation from 0 to base speed on vector drive, including TEFC (On Volts/Hertz) drives, TEFC motors are limited to 20:1 constant torque
- Optimized for operation with IGBT inverter
- Automatic reset thermal protector prevents overheating
- Permanently lubricated, double-sealed bearings extend the lifetime of the motor
- Vertical/horizontal mounting for proper placement of the fan within airflow
- 10:1 constant torque available as build-up, RTM for price and availability
- 1.15 Service Factor on sinewave or 1.0 Service Factor on IGBT power
- Precision balanced to .08 in/sec, Extended grease tubes
Standards/Approval:
- NEMA Premium® XRI® Efficiency
Warranty:
3 Years