Standard Motor Catalog
Section TR Technical Reference Guide
Table 47: Quick Reference of Industrial Applications for 3 Phase Induction Motors
Requirements
Environment (Subject to Engineering Review)
Locked Rotor Torque
Break Down Torque % Slip
NEMA Design
Starting Current
Applications
Standards GE Types
K, KS XSD Ultra ® KS-XSD Ultra ® 841
Normal starting torque, constant load (single) speed, such as: • Fans • Blowers • Pumps • Machined Tools • Unloaded compressors • Some conveyors • Metal cutting machine tools • Misc. machinery
NEMA MG1
High to Medium
A
Normal
Normal
Max 5%
IEEE-841
DIV 1 UL/CSA K, KS - XP DIV 2 UL/CSA K, KS Zone 1 UL/CSA K, KS - XP
Hazardous
UL/CSA ATEX, CE MARK
Zone 2
K, KS
B
Low Normal
Normal
Max 5%
KS-XSD Ultra ®
Marine
IEEE45
KG, KGS, XSD Ultra ® KGS
Constant load (single) speed
Non Hazardous
NEMA MG1
DIV 1 UL/CSA KG, KGS - XP DIV 2 UL/CSA KG, KGS Zone 1 UL/CSA KG, KGS - XP
High inertia start such as: • Large centrifugal blowers • Flywheels • Crusher Drums
C
Low
High
Normal
Max 5%
Hazardous
UL/CSA ATEX, CE MARK
Zone 2
KG, KGS
• Piston Pumps • Compressors • Conveyors
KGS-XSD Ultra ®
Marine
IEEE45
Non Hazardous
NEMA MG1
KR
Very high inertia and loaded starts. Choice of slip to match load. • Punch presses • Shears • Forming machine tools
DIV 1 UL/CSA KR XP
5-8%
DIV 2 UL/CSA
KR
Zone 1 UL/CSA KR XP
D
Low
Very High
-
Hazardous
• Cranes • Hoists • Elevators • Oil well pumping jacks
8-13%
UL/CSA ATEX, CE MARK
Zone 2
KR
TECHNICAL REFERENCE GUIDE
KAF/XSD Ultra ® KS-XSD Ultra ® 841
Constant torque applications, such as: • Agitators
NEMA MG1
Non Hazardous
IEEE-841
• Centrifuges • Conveyors • Extruders
DIV 1 UL/CSA
KAF
• Feeders • Grinders
Application Driven
Not Applicable
Not Applicable
Application Driven
DIV 2 UL/CSA
KAF
-
• Kilns • Mills • Mixers • Presses • Saws • Test Stands • Tools
Zone 1 UL/CSA
KAF
Hazardous*
UL/CSA ATEX, CE MARK NEMA MG1 API 661 NEMA MG1 API 541 & API 547
Zone 2
KAF
High to Medium High to Medium
##Non Hazardous Suitable for DIV 2
KS-XSD Ultra ® 661
Cooling Tower Fans
A or B
Normal
Normal
Max 5%
Reciprocating Compressors (High Speed)
A or B
Normal
Normal
Max 5%
-
500 Frame
* Refer to Wolong America for specific suitability requirements such as Auto Ignition Temperature, Gas Groups and Rating Details. ## Product offering limitation. Refer to Wolong America for more information. K - NEMA designs A and B KS - NEMA design A and B Energy Saver KAF - Adjustable frequency KG - NEMA design C KGS - NEMA design C Energy Saver KR - NEMA design D, 5 to 8% slip or 8 to 13% slip
TR.50
Data subject to change without notice. 03/24 • www.wolongamerica.com
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