Benshaw MVATL Medium Voltage Across-The-Line Starter Specification Guide


This document provides engineers, maintenance personnel, and electrical consultants with comprehensive specifications for Benshaw’s MVATL Medium Voltage Across-The-Line (ATL) Starters. It details design, performance, construction, testing, and quality assurance standards for reliable motor control applications up to 13,800 VAC.

Key Points

  • Comprehensive Starter Design: Outlines specifications for medium-voltage (2300–13,800 VAC) across-the-line starters for AC induction motors, compliant with ANSI, UL, CSA, and NEMA standards.
  • Electrical and Mechanical Specifications: Details model numbering, contactor types, power ratings, and construction standards for maximum durability and safety.
  • Environmental and Quality Standards: Specifies operating and storage conditions, insulation testing, and rigorous factory quality inspection protocols.
  • Compliance and Certification: UL/cUL ratings and adherence to IEEE, NEC, and CE standards ensure compliance and global applicability.
  • Customizable Configurations: Supports a wide range of industrial applications with customizable enclosures, optional protection systems, and metering packages.
  • Optional Features and Protection: Includes overload protection, RTD monitoring, and fault detection systems for enhanced motor and system protection.
  • Manufacturer Assurance: Benshaw guarantees 18-month warranties, startup support, and training from factory-certified personnel.
  • Documented Reliability: Provides structured guidance for installation, handling, and maintenance, ensuring long-term operational safety and performance.