NEMA Premium General Purpose
 NEMA Premium General Purpose
  •  NEMA Premium General Purpose
  •  NEMA Premium General Purpose

TECO NEMA Premium General Purpose

General purpose small and medium-sized three-phase asynchronous motors for export to the U.S. 1~500HP, 2~8P, generally need to meet the following conditions: 1. NEMA standard, different from IEC(GB) standard installation size, and use inch unit. 2. 2. efficiency in line with Premium efficiency, equivalent to IE3 energy efficiency (GB2 energy efficiency). (Mandatory) 3. with the U.S. Department of Energy (DOE) energy efficiency certification (Compliance Certification) 4. in line with UL or CSA safety certification. (Mandatory)


Electrical Features

• Designed to meet NEMA MG-1, MG-13 and IEEE 841

other voltages available upon request

• Premium efficiency; meets or exceeds the requirements of EPACT '92 and Canadian Federal Efficiency Levels defined in CSA C390-93; Full load efficiency of all ratings is certified under the EEV Program of the CSA

• UL recognized Class F non-hygroscopic insulation system with HPE™ (High Pulse Endurance) index, heavy heat resistance enameled copper wire insures longer winding life and reliability

• CSA certified for Class 1, Division II, Group B, C and D with Temperature Code T3C

• Class B temperature rise, 80°C rise by resistance method at 1.0 S.F.; 90°C rise at 1.15 SF

• 3 Leads solderless lug terminals

• Meets GM 7E-TA specifications

Mechanical Features

• Bearing temperature rise is below 45°C for all 4P and 6P ratings; 50°C for all 2P motors

• Sound power levels are below 85 dBA providing quiet operation

• Full cast iron construction: frame,brackets, fan cover and conduit box with IP55 rated protection

• Frame provided with two threaded drain holes with drain plugs and a drilled and tapped hole for a ground lug

• Corrosion-resistant, cast iron conduit box has twice the volume required by NEMA. The conduit box is fully gasketed with NPT threaded conduit entry

• Regreaseable bearing construction with inner bearing caps prevent bearing contamination

• Non-sparking plastic or bronze fan

• All internal rotor, stator and shaft surfaces are cleaned and coated with moisture resistant varnish; Exterior is painted with zinc-chromate epoxy base with a blue finish

• Stainless steel hardware and nameplate

• Vibration will not exceed 0.08 inches per second

• Motors can be re-rated for 415, 400 and 380 volts at 50 HZ

• CSA and UL approved for Inverter Duty per NEMA MG1 Part 31, with speed range of 20:1 variable torque and 10:1 constant torque

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