Motor Engineering Data

Dimension Prints

• Nema Rated Motors
• DC Motors
• ICE Frame Motors
• Close Coupled Pump Shaft Dimensions
• Motor Amperage Chart

Motor Connection Diagrams

Single Voltage

• Wye Only
• Part Winding Start (Wye Only)
• "Y" Start: "Delta" Run

Dual Voltage

• "Y" Start: "Delta" Run (12 Leads) **Most Common**
• Star Y
• Delta
• Part Winding Start (Wye Only)
• Y-Delta (6 Leads)

Multi-Speed

• Constant Torque (One Winding)
• Variable Torque
• One Wye (Two Winding)
• Explosionproof Motor Ratings
• Explosionproof Temperature Codes
• Nema Ratings for Electrical Enclosures

Engineering Data/FAQ's

• Proper Motor Lubrication
• Improper Belting – How to identify and correct
• Alignment Basics – Part One
• Alignment Basics – Part Two
• Winding Failures – Which are covered under Warranty?
• Shaft Voltage/Current – Causes and Prevention
• Internal Condensation – Causes and Prevention – Space Heaters Trickle Voltage
• Winding Thermal Protection – Effects of Excess Temperature, Thermostats, and RTD's
• Wye Start/Delta Run 101
• Reversing the Direction of Rotation on TEFC Motors
• Cooling Tower Guide
• How Properly Tension VBelts