Weg Electrical Motors .com

Weg Electrical Motors .com

Manufacturers Distributor, Inc.
Your Source for Weg Electric Motors by WEG

Weg IEEE 841 Petrochem Motors - Three Phase TEFC

WEG’s W21™ NEMA Premium motors meet or exceed all NEMA Premium and CEE requirements for energy efficiency. These WEG IEEE 841 High Efficiency Mill and Chemical Duty Motors are specially suited for Pulp and Paper Mills, Petrochemical, Steel Mills and applications requiring Severe Duty long life motors.

Weg IEEE 841 Motors: Meets IEEE - 2001 Specification


• Three-phase, II, IV or VI pole, 60Hz
• Voltage: 460V (3 wire)
• Totally enclosed fan cooled (TEFC)
• Inproseal
• Degree of protection: IP55
• Class ‘F’ insulation
(‘B’ Temperature rise)
• Class ‘H’ resin
• Service Factor:
° 1.25 - up to 100 HP
° 1.15 - from 125HP and up
• Squirrel cage rotor / Aluminum die cast
• Ball bearings are supplied as standard
• 1045 Carbon Steel Shaft for frames up to 365T.
• 4140 steel shaft for motors 404T and above. (3600 RPM motors supplied with1045)
• 143T up to 586/7 cast iron frame
• All cast iron reinforced construction: frame, endshields, terminal box and fan cover
• Stainless steel nameplate
• NEMA Ratings Design ‘B’
• Corrosion resistant epoxy finish
• Color: RAL 6002 (Green)
• Regreasable ball bearings D.E. and O.D.E.
• Class 1, Div 2, Groups B, C & D, T3C


• Color: RAL 6002 (Green)
• IP55 and IP65: This brass seal has no contact surfaces to wear out.
• Bearing life 50,000 hours
• Paint: Epoxy polyamide enamel
• Non-sparking fan
• Internal epoxy paint


• Special voltages
• Specially designed shaft
• Space heaters
• Second shaft end
• Thermistor, Thermostats or RTD’s (PT100)
• Additional terminal box
• Drip cover (canopy) for shaft down applications
• Cable glands
• Flange mount


• Pumping applications
• Pulp and paper mills
• Petrochemical
• Other