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ASCO SERIES 300 Manual Transfer Switch quick connects

For Commercial or Light Industrial Use

The ASCO SERIES 300 manual transfer switch with integrated quick-connects provides a means for quickly connecting a portable or temporary generator to a building’s electrical system to provide backup power, or to provide a “backup to the backup” when servicing an off-line engine-generator.

ASCO SERIES 300 Manual Transfer Switch quick connects
  • Features

    • Available from 150 to 3000 Amps, up to 600VAC, single or 3-phase
    • Provides a complete UL1008 listed solution in a single unit; Larger amperage (1600A-3000A) MTQ listed under UL 891; Service Entrance (MUQ) configurations are listed under UL 891 (TS is UL 1008)
    • Standard Type 3R cabinet is weatherproof with or without temporary power cables connected
    • Utilizes 16 Series Cam type connectors


    • 3-Position center-off switch is robust and easy-to-use
    • Leverages ASCO’s reliable, field-proven, transfer switching technology
    • Modular, compact design is easy to install and maintain
    • Designed to handle the demands of motors and high inrush loads
    • Service Entrance configurations available


    • Banking, Financial and Insurance
    • Broadcast and Entertainment
    • Chemical/Petrochemical (excl. Oil & Gas)
    • Healthcare
    • Government
    • Fire/Alarm/Security
    • Education
    • Data Center/Colocation/Hosting
    • Construction and Engineering
    • Manufacturing
    • Power Generation
    • Retail and Wholesale
    • Telecom
    • Water
    • Supply/Sewage Disposal
    • Transportation

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