Integrated Automatic Transfer Switch Cabinet
The MDS9MVI Series Medium Voltage ATS is an integrated medium voltage automatic transfer switch cabinet independently developed by Midas Electric. It complies with the Group Standard for Medium Voltage Transfer Switching Devices and Switchgear Assemblies, as well as relevant IEC and GB standards. The product features dual mechanical interlock and electrical interlock switch mechanisms, along with comprehensive control functions.
Product Features
Rated current range: 630–2500A
Uses MDS9MVT as the operating mechanism, with vacuum arc-extinguishing technology
Dual mechanical interlock ensures two power sources cannot supply power simultaneously
CB-level medium voltage automatic transfer switch design with TC-4A rated transfer capability
Designed for 16,000 mechanical transfer operations
Provides both dual power transfer and short-circuit protection
Enables seamless utility-to-generator transfer within 100ms
Withdrawable, modular design for easy maintenance and replacement
Medium voltage ATS controller supports redundant configuration
Supports manual/automatic transfer mode selection
Controller uses DSP sampling technology with 64 points per cycle
10-inch or larger HMI for full system parameter and status display
Medium voltage load step-by-step transfer control technology
Reverse power protection to prevent generator backfeeding incidents after power flow reversal
Delayed, instantaneous, directional phase/neutral/ground/negative-sequence overcurrent and re-energization overcurrent protection
PT failure and trip circuit monitoring
Fault recording capability
Frame dimensions: 1600 × 1750 × 2260 mm, customizable colors available
Standard RJ45 port with Modbus-TCP communication protocol
