Redundant Automatic Transfer Switch Touch Screen Controller

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ATS-34 Controller for Redundant ATS which provide seamless supply of emergency back up power when needed.

The ATS-34 controller is you ultimate solution for redundant ATS system. It intelligently selects the operation sequence on the primary generator and the back up generator in case of failure from either generator to provide seamless supply of emergency back up power when needed.


  • Micro-processor based with full glass front control panel
  • Smart m-Touch sensing touch screen
  • Compact size with large friendly LED display
  • Capacitive touch key programming & operation (*All control operations are done directly on front panel touch screen or from a remote PC or smart phone connection using our free APP.)
  • Program settings are Auto-saved into internal memory remaining in memory even with no battery power
  • Provides 3 or 1 phase voltage & frequency monitoring & protections for both backup generators
  • Transfer fail and start fail with dry contact alarm outputs
  • Optional USB / RS485 / Ethernet Remote Communication Functions
  • APP to monitor and operate the ATS & gensets directly from your smart phone or PC
  • Provisions for switching the primary genset automatically over time


DC Power Supply Voltage8~60 VAC
AC Voltage Input50~500 VAC
Frequency50/60 Hz
Remote Start Contact7A @ 250 VAC Max.
G1 ON Contact7A @ 250 VAC Max.
G2 ON Contact7A @ 250 VAC Max.
Alarm Output Contact7A @ 250 VAC Max.
EnvironmentOperating Temperature : -20~70°C
Storage Temperature : -30~80°C
Relative Humidity : Maximum 90%
User-Friendly 7 Segment & Status LED Display
  • Programmable display with 3 phase voltage & frequency
  • Programmable display duty time
  • Engine warm-up and cooling countdown display
  • Internal program settings & status display
  • Display Auto/OFF/Bypass status
  • Over/Under voltage & frequency alarm (Both generators)
  • Display real time power loop
Full Phase Voltage & Frequency MonitoringOver Voltage Adjustable Range : 110~500 VAC
Under Voltage Adjustable Range : 80~470 VAC
Over Frequency Adjustable Range : 51~70 Hz
Under Frequency Adjustable Range : 45~59 Hz
Adjustable TimersDuty Time : 0~250 hours
Time Delay From G1(2) to G2(1) : 0~250 Sec.
Engine Cooling Time for Both Gensets : 0~250 Sec.
Time Delay Center OFF : 0~99 Sec.
Time Delay G1 Volt & Freq. Abnormal : 0~99 Sec.
Time Delay G2 Volt & Freq. Abnormal : 0~99 Sec.
Panel Cut-Out112.0 x 167.0 ±0.5 mm
Dimensions125.0 (L) x 180.0 (W) x 42.0 (H) mm
Weight495g ±2%