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Three-Phase
General Purpose
Motors
A-23
•
50/60 Hz rated (380V on nameplate
- 400/415 available)
•
Rated 50HZ at same horsepower
up to 250HP 1.0 Service Factor for
2,4 & 6 pole motors
•
Rated 50Hz at same horsepower
up to 125HP 1.0 Service Factor for
8 pole motors
•
Class F insulation (impregnation
resin and magnet wire are class H)
•
F1 mounted (cast iron frames are
F2 convertible). Frames 447T and
up can easily be F2 converted
by simply rotating the terminal
box adapter
•
Cast iron frames: regreasable ball
bearings (frames 254T and up)
•
Gasketed conduit box
W22 - CAST IRON
Three Phase General Purpose Motors
Features that make a difference:
• All NEMA Premium
®
ratings have a 1.25 Service Factor
(up to 100 HP) resulting in cooler operation and extended
life of the motor
• All Cast Iron Construction, including Terminal Box and
Fan Cover*
• Solid feet for reduced vibration levels and
impact absorption
• Optimized ventilation system for cooler operation and
extended life
• High Grade FC200 cast iron provides superior mechanical
strength and heat dissipation
• All WEG W22 motors are Totally Enclosed Fan Cooled
with a true IP55 rating against dust and moisture. (IP56,
IP65 and IP66 available as options)
• Exclusive W-Seal 364T and larger provides superior
bearing protection
• Taconite Labyrinth seal 586 Frame and larger
• Exclusive WEG painting system exceed 200hrs ASTM 117
corrosion test (Exceeds IEEE 841 standard)
• Balanced to 0.08 inches per second vibration limits
(Meets IEEE 841 standard)
• Four Bolt Conduit Cover with glued Neoprene Gasket
• Impregnation Resin and magnet wire are insulation class H
• Stainless Steel Nameplate - Laser etched with high
contrast background
• Corrosion Proof Drains
• Inverter Duty per NEMA MG1, Part 31
• Certified Class I Div 2, Groups A, B, C & D; Class II, Div 2,
Groups F & G
• Suitable for IEEE45 and USCG 259 – Marine Duty
*Cast iron fan cover available as an option on 143-215T frames
Standard Features:
ADDITIONAL TECHNICAL DATA
ELECTRICAL DATA:
B-12
MECHANICAL DATA:
B-68
Inverter Rated
*
1000:1 for Variable Torque
NEMA Premium
®
20:1 Constant Torque up to 250HP
6:1 Constant Torque 300HP and up
* Insulated NDE housing standard on
L447/9T and above