Overview
Mfr description
20 HP,1770 & 1460 RPM,H20P2D,208-230/460
- Class F insulation, Class B rise at full load on 60 Hz sine wave power
- All cast iron construction (steel frame and fan cover on 140 frame)
- Corrosion-resistant mill and chemical-duty paint
- Stainless steel nameplate (with CE mark) and zinc plated hardware
- Shaft slinger on pulley end for IP54 protection
- Precision balance (<lt / > 0.08 IN / sec vibration)
- 40°C ambient, NEMA® Design B performance on 60 Hz sine wave power
- Regreasable bearings (180 frame and up), lifting provisions (180 frame and up)
- Double shielded bearings (140–360), open on (400–440)
- Oversized conduit box: One size larger than NEMA standard
- Cast iron inner bearing caps (180 frame and larger)
- Field convertible to F2 mounting (180 frame and larger)
- Condensation drains with plastic plugs
- Applications: For pulp and paper, mill and chemical and any other severe-duty environments found in the process industries
Specifications
- Motor Phase3 ph
- Motor Horsepower20 hp
- Country of OriginMEX
- Synchronous Rpm1800 rpm
- Motor Supply Voltage190/380//208-230/460 V
- Frame Size256T
- Enclosure TypeTEFC (Totally Enclosed Fan Cooled)
- Frequency Rating50/60 Hz
- Base RPM1460 rpm - 1770 rpm
- Duty Condition TypeContinuous Duty
- Mounting TypeHorizontal / Foot
- Full Load Current53.00–47.00 / 23.50 A
- Full Load Efficiency93.0 %
- Motor Poles4
- DescriptionU.S. Motors® brand Hostile Duty motors are designed for industry. This general purpose NEMA Premium® motor line meets Energy Independence and Security Act (EISA 2007) efficiency requirements. Hostile Duty totally enclosed fan cooled motors reduce operating costs and are suited for rugged applications like pumps, compressors, conveyors or blowers in dusty, damp or dirty environments. Hostile Duty motors are the appropriate choice for applications where the motor works continuously and energy efficiency is a must. U.S. Motors® brand Hostile Duty motors are available in TEFC ratings from 1 – 200 HP, dual frequency nameplate. Cast iron construction, corrosion resistant mill and chemical duty paint, heavy gauge steel fan covers and conduit boxes are some of the features of this heavy duty workhorse.
- Description Keyword20 hp
- Shaft Diameter1.6250 in
- Overall Length C Dimension25.2 in
- Type Of Bearing6309-2Z-J/C3
- NEMA Design ClassB
- Service Factor1.15
- Frame MaterialCast Iron
- Insulation ClassF
- IP Rating54
- Standards MetEE, NEMA Premium
- Weight340 lbs
- ApplicationsChemical Plants, Foundries, Mines, Pulp & Paper Plants, Saw Mills, Waste Management Facilities
- Harmonization Code8501.52.4000
- Manufacturer Upc Number786382090685
- Manufacturer Catalog
- ModelDT62
- Motor CategoryGeneral Severe Duty Motor
- Wiring Diagram
- 2D Drawing
- Max Allowable Current23.5 A, 29.2 A, 47 to 53 A, 58 A
- Product TypesAC Motors
- Torque59.3 ft-lbs
- Opposite Drive End Bearing6309-2Z-J/C3
- Product TypeGeneral Purpose Motors
Compliance & Safety Data
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