Watt Drive HF 50S Electric Motor 20 HP 1765 RPM IP55 Protection 230/460V
Watt Drive
Details
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CategoryFacility
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Dimension25.0in x 20.0in x 20.0in
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SerialD78220006
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Shipping TypeFreight
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ManufacturingDoes Not Apply
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Voltage / HertzDoes Not Apply / Does Not Apply
Description
The Watt Drive HF 50S NA143/145 electric motor, originating from the United States and manufactured by Watt Drive, is a robust and efficient solution for industrial applications. Designed for durability, it features a 256TC frame with an output of 20 horsepower (15 kW). Operating at a rate of 1765 RPM with a 60 Hz frequency and a four-pole design, it's perfectly crafted for demanding environments. This model achieves a high efficiency with a slip of 1.94% and offers a rated voltage of 230/460V. The current is rated at 48.6/24.3 A with locked rotor amperes at 292/146 A. Its capability includes a guaranteed rated torque of 59.5 ft.lb, showcasing 200% locked rotor torque and 240% breakdown torque. Additionally, structural resilience is bolstered by an IP55 protection rating and a TEFC enclosure. With both CW and CCW rotations supported, this motor can adapt to a wide temperature range from -20C to +40C. The engineering excellence is displayed in design B with insulation class F and a service factor of 1.25, ensuring sustained performance under continuous duty cycle (S1). Enhanced protection in elevated altitudes up to 1000 m is assured. At an approximate weight of 291 lb, it's equipped to withstand industrial rigors with a tolerance of noise levels up to 64.0 dB(A), making it a formidable motor for high-performance tasks.
Key Features
- 20 HP output
- 1765 RPM speed
- IP55 protection
- 230/460 V
- 4-pole design
- Both CW and CCW rotation
- Insulation Class F
Specifications
- Frame: 256TC
- Output: 20 HP (15 kW)
- Number of Poles: 4
- Frequency: 60 Hz
- Rated Speed: 1765 rpm
- Slip: 1.94%
- Rated Voltage: 230/460 V
- Rated Current: 48.6/24.3 A
- Locked Rotor Amperes: 292/146 A
- Rated Torque: 59.5 ft.lb
- Locked Rotor Torque: 200%
- Breakdown Torque: 240%
- Locked Rotor Time: 27s (cold), 15s (hot)
- Moment of Inertia (J): 2.86 sq.ft.lb
- Design: B
- Insulation Class: F
- Service Factor: 1.25
- Temperature Rise: 80 K
- Duty Cycle: Continuous (S1)
- Starting Method: Direct On Line
- Ambient Temperature Range: -20C to +40C
- Altitude: 1000 m.a.s.l.
- Degree of Protection: IP55
- Enclosure: IC411 - TEFC
- Mounting: W-6
- Rotation: Both (CW and CCW)
- Noise Level: 64.0 dB(A)
- Approximate Weight: 291 lb
Weight
Imperial: 319.2 Pounds
Metric: 144.79 Kilograms
Shipping Dimensions
Imperial: 30.0 lb x 24.0 lb x 24.0 lb
Metric: 76.2 cm x 60.96 cm x 60.96 cm
Harmonized Code
8501.33.20
Harmonized Code Details
Harmonized Code 8501.33.20 refers to machinery for electrical motors of an output exceeding 37.5 Watts; suitable for an electric motor due to being over 750 W but not exceeding 75 KW. Its commercial industrial application categorizes it for heavy electrical use.
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