Three Phase General Purpose Motors
W22 - Cast Iron
Standard Features:
- 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
Inverter Rated
1000:1 for Variable Torque
NEMA Premium
20:1 Constant Torque up to 250HP
6:1 Constant Torque 300HP and up
High Efficiency (EPAct)
12:1 Constant Torque up to 250HP
4:1 Constant Torque 300HP and up
ADDITIONAL TECHNICAL DATA
ELECTRICAL DATA: B-6
MECHANICAL DATA: C-2
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. (IPW56,
IPW65 and IPW66 available as optional)
- 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 IEEE841 standard)
- Balanced to 0.08 inches per second vibration limits
(Meets IEEE841 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