Automatic Transfer Switch
The MDS2 Series Automatic Transfer Switch has been widely applied in terminal power switching scenarios such as commercial buildings, hotels, shopping centers, residential complexes, stadiums, fire protection systems, hospitals, and subways. With a compact structural design, the MDS2 Series ensures smooth switching between terminal power sources. The series offers three different controller options—MC200P, MC200N, and MC200E (for detailed configurations, please refer to the product catalog).
Controller Features:
No additional control power supply required
Processor and digital circuits are isolated from the primary circuit
Programmable I/O ports to meet various application needs
Real-time monitoring of three-phase voltage and frequency of two power sources
Real-time monitoring of multiple ATS parameters and statuses
LCD display for real-time display of power source and ATS parameters and statuses
Electrical parameters can be freely set via the LCD panel
Multiple time delays can be freely set via the LCD panel
Various control functions can be freely set via the LCD panel
Equipped with RS485 communication interface, Modbus RTU protocol, compatible with power monitoring and fire monitoring systems
Generator start/stop and scheduled generator test functions available
Features & Advantages:
Load utilization category: AC-33B, suitable for mixed loads
Mechanical and electrical interlock functions
Excellent short-time withstand current and making capacity
Middle "0" position with isolation and padlock capability for maintenance
Multiple operation modes: Auto-transfer with auto-recovery / Mutual standby / Auto-transfer with manual recovery / Manual / Remote signal / Test
Multiple switching modes: Automatic / Electric / Manual mechanical transfer
Fire safety functions: fire “no-transfer,” fire isolation, remote fire control linkage
Compact structure, easy installation
Product Range:
Rated current: 40A ~ 630A
Rated voltage: 208V / 220V / 230V / 240V / 380V / 400V / 415V
Poles: 2-pole / 3-pole / 4-pole
Frequency: 50Hz / 60Hz
Applicable to: Utility-Utility, Utility-Generator
