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Medium Voltage Motors and Soft Starters
Medium Voltage
Motors and Soft
Starters
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1-800-ASK-4WEG
(275-4934)
Data subject to change without notice.
A-251
Standard Features:
•
Voltage: 2300/4160V
•
Frequency: 60Hz
•
1.15SF at D.O.L. starting and safe area
•
Insulation Class F
•
VPI Impregnation
•
Class B Temperature Rise @ 1.00SF
•
Class F Temperature Rise @ 1.15SF
•
Aluminum Rotor (except where otherwise
indicated)
•
S1 Continuous Duty
•
TEFC
•
IP55 Protection Degree
•
F1 Mounting
Field conversion from F1 to F2 mounting
available for all motors 250HP and above
•
D.O.L. Starting
•
Direct coupling
•
Direction of Rotation:
CW for 2P motors (250HP and above)
Dual for 2P (200HP), 4P and 6P motors
•
Altitude: 3300 f.a.s.l.
•
Ambient temperature: 40ºC
•
NEMA Premium
®
Efficiency (250HP and above)
•
Grease lubricated antifriction (ball) bearings
•
100,000hs L10 bearings lifetime
•
Final Color: Blue (RAL 5009)
•
NEMA Type I main terminal box (loose leads)
•
Automatic grease relief
•
Grounding lugs on both sides of the frame
•
4140 Steel Shaft
•
36 Months warranty from manufacturing date
Standard Accessories:
•
RTD Pt100 Temperature Detectors
(02 per phase and 01 per bearing)
•
Space Heater, 120V
•
Provision (flat surface) for vibration sensors
•
Provision for dowel pins
Severe Duty Features:
•
Most relevant features of IEEE 841
•
Vibration level as per IEEE 841
•
Stainless Steel extended grease tubes
•
INPRO/SEAL on DE and NDE sides
•
0.005” feet flatness
•
Automatic threaded T-drains
(stainless steel)
•
Tropicalization
•
IEEE 841 Test reports
V.F.D. Operation Features:
•
1.00SF at V.F.D. Operation
•
Class B Temperature Rise @ 1.00SF
•
Suitable for V.F.D. Operation
10:1 VT with Class B temperature rise
2:1 CT with Class F temperature rise
•
Electrically Insulated N.D.E. bearing housing
•
Helwig Shaft Grounding brush
(Add-on Modification)
Note: A method of reducing common mode
voltages from motor terminals must be utilized.
Hazardous Area Features:
•
1.00SF at Hazardous Area
•
Class B Temperature Rise @ 1.00SF
•
CSA Certification: Class I, Div. 2,
Gr. A, B, C and D, T3
(Except 600HP 6P – Safe Area only)
•
Non-sparking external fan
Add-on Modifications from Stock
Note: For Add-on modifications, see page A253.
TEFC SEVERE DUTY MV MOTORS
Note: Special attention to Reciprocating Compressors applications where the motor design must be evaluated and confirmed in a case by case basis.