TEFC – NEMA Premium Efficiency Motors

Applications

• Chemical plants
• Compressors
• Pulp and paper mills
• Crushers
• Refineries
• Pumps
• Steel mills
• Fans
• Cement mills
• Packaging equipment
• Other severe duty applications

Standard Features

Single voltage – Self ventilated (TEFC)

• Output: 1 up to 500HP
• Cast iron frames: 143 up to 586/7
• Mounting: B3R
• Degree of Protection: IP55
• Without terminal block
• Squirrel cage rotor / Aluminium die cast
• V’Ring on both endshields
• Stainless steel nameplate AISI 316
• Class “F” insulation
• Continuous duty – S1
• Ambient temperature: 40°C (104°F), 1000 m.a.s.l. (3300 ft)
• Regreasing nipples from frame 254T and above
• Thermistors (1 per phase) fitted in frame 324T and above
• NPT thread cable entries in terminal box
• Suitable for Inverter Duty applications*
• Epoxy based paint plan: RAL 5010

*For additional details about Inverter operation, please contact our technical support.
*Special Insulation for voltage above 575V

Optional Features

• Degree of Protection: IP56, IP65 or IP66
• Other mounting configurations
• Ventilation Motor, TEAO
• Forced Ventilation, TEBC
• Thermal protection:
  • Thermistors for frame 286T and below (Standard for frame 324T and above)
  • Thermostats
  • RTD-PT 100
• Space heaters
• Class “H” insulation
• Roller bearings for frame 254T and above

Classification

CSA Standard:

Div 2; Groups B, C and D

Certification:

UL E104590 (Non-Hazardous area)
CSA LR 50962