TEFC - NEMA Premium Efficiency Motors

TEFC - NEMA Premium Efficiency Motors

( Up to 500 HP )
w21 premium efficiency america do norte G

Applications :

Chemical plants
Pulp and paper mills
Steel mills
Cement mills
Packaging equipment
Other severe duty applications

Standard Features:

Output: 1 up to 500HP
Single voltage - Self ventilated (TEFC)
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)
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 
UL E104590 (Non-Hazardous area)
CSA LR 50962

Rotor Tech Co.,Ltd.
89/22 Moo4 Klongthanon, Saimai, Bangkok 10220
Tel. 0-2191-5387, 08-6355-6818 Fax. 0-2191-5388
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