Brook Crompton 6-Lead 575V NEMA Motor Connection Diagram


This technical reference document provides the official Brook Crompton wiring diagram for 6-lead NEMA motors rated at 575V. It illustrates correct terminal connections for wye-delta (star-delta) starter applications as well as direct-on-line (DOL) operation. The diagram is intended for electricians, motor technicians, and maintenance professionals who need a clear, manufacturer-approved connection reference to ensure safe startup, proper motor operation, and compliance with NEMA wiring conventions.

Key Points


  • Covers 6-lead NEMA motor configurations for 575V systems
  • Shows wye (star) start and delta run connections for reduced-voltage starting
  • Includes direct-on-line (DOL) wiring for 575V operation
  • Clearly labels motor leads T1 through T6 for accurate field connections
  • Designed for Brook Crompton motors, following NEMA standards
  • Useful for installation, troubleshooting, and maintenance reference
  • Single-page diagram ideal for jobsite or panel-door documentation