Toshiba AS1 Adjustable Speed Drive


The Toshiba AS1 Drive represents a new generation of adjustable speed drives that combine rugged durability, user-friendly programming, and versatile performance. Designed to excel in extreme environments, the AS1 is a powerful solution for industrial motor control needs, offering robust features that enhance productivity and reliability.

Key Points

  • Advanced Construction: Modular design with laminated bus plane technology enables easier installation, servicing, and increased reliability.
  • Rugged Performance: Rated for operation up to 122°F (50°C) without derating and up to 140°F (60°C) in configured conditions.
  • Integrated PLC Functions: “My Function” logic programming allows the drive to act as a basic PLC.
  • Global Compliance: Certified for use under various international regulatory standards.
  • User-Friendly Programming: Operates with minimal setup yet offers extensive parameter customization for specific applications.
  • Motor-Over-Flux Braking: Delivers up to 30% of rated power for heavy load stopping—without external braking resistors.
  • Flexible Communications: Supports stackable option cards and dual RS-485 communication ports.
  • Application Versatility: Designed for use in sealed enclosures with external heat-sink mounting options.