Date:2020/10/5

New Product Launch | Dual Interlock Integrated Medium Voltage ATS Released to Market

The MDS9MVI series medium voltage ATS is an integrated automatic transfer switch cabinet independently developed by Midas Electric. It complies with the group standard "Medium Voltage Transfer Switch Electrical Apparatus and Switchgear Assemblies", as well as relevant IEC and GB standards. The system features a dual mechanical and electrical interlock switching mechanism and advanced control capabilities.


Product Features

  • Rated current: 630A to 2500A

  • Equipped with MDS9MVT actuator featuring vacuum arc-extinguishing capability

  • Dual mechanical interlocks to ensure no simultaneous power supply from both sources

  • CB-class design for medium voltage ATS with TQ-4A level rated transfer capacity

  • Mechanical transfer endurance up to 16,000 operations

  • Supports both dual-source transfer and short-circuit protection

  • Enables stable switching between utility power and generator within 100ms

  • Withdrawable, modular design for easy maintenance and replacement

  • Redundant configuration available for the medium voltage ATS controller

  • Supports manual/automatic transfer mode selection

  • Controller adopts DSP sampling technology with 64-point sampling per cycle

  • 10-inch or larger HMI for full system parameter and status display

  • Step-by-step load switching for medium-voltage loads

  • Reverse power protection to prevent generator backfeed accidents due to power flow reversal

  • Comprehensive protection functions including time-delay, instantaneous, directional phase, zero-sequence, ground fault, and negative-sequence overcurrent protection

  • PT disconnection and trip circuit monitoring

  • Fault waveform recording capability

  • Cabinet dimensions: 1600 × 1750 × 2260 mm; customizable color options

  • Standard RJ45 interface with Modbus-TCP communication protocol