Smart HelSys

Modular & Fully Monitorable –48VDC Power & Distribution System

Smart HelSys system is a compact and intelligent power system, it can house up to 3 rectifiers of 1kW and 1 Hel-SC501 controller. Integrated DC system capability with controller and distribution module options, allow customers to have a complete DC Power System in 1U height.

Smart HelSys system is designed for a wide range of telecommunication applications such as fibre optic network, satellite communication ground station. transmission equipment, mobile communications and 5G base station/micro base station.


  • The rectifier uses the active Power Factor Compensation (PFC) technology, the power factor is up to 0.99.
  • The system has a wide AC input voltage range: 80Vac ~ 300Vac. . Vin≥154V, Output Power is 1000W
  • The rectifier uses soft switching technology, the efficiency is up to 95%.
  • The rectifier safety design complies with UL and CE standards.
  • The monitoring module has perfect battery management. The management functions include the LLVD, BLVD, temperature compensation, auto voltage regulation, current limitation, battery capacity calculation and on-line battery test, etc.
  • The monitoring module can save up to 1000 pieces of historical alarm records.
  • The system has complete fault protection and fault alarm functions.
  • Front access and front connection. High convenient for installation and maintenance.
  • Smart HelSys System provides multiple communication ports (such as RS232, Ethernet and dry contacts), which enables flexible networking and remote monitoring.

Series Table

ModelMax PowerDC DistributionRectifier
Smart HELSYSN1540180R483kWLoad MCBs 4*30A
Battery MCBs:1*50A+1*30A
Front operation
SP III 48/1000HE
Smart HELSYSN2540180R483kWLoad fuses: 6*15A
Battery fuses:2*30A(parallel)
Front operation
SP III 48/1000HE
Smart HELSYSN1360180R482kWLoad MCBs: 6*30A
Battery MCBs:1*50A+1*30A
Front operation
SP III 48/1000HE

Specifications Table

AC Input85Vac-300Vac
Input Current≤7A   (Per  1000w rectifier)
THDi<5%@full load
<10%@half load
Rated input and output voltage
Output Voltage-53.5V Rated output voltage
-53.5V float voltage
-56.4V boost voltage
Output Current≥54A
Voltage Regulation≤±1%
Current Sharing≤±5%
Ripple and Noise≤200mV Peak-Peak
FunctionOperation information acquirements, battery and system management, system alarm, communicate with control center related ports
Contacts6 relay outputs
Digital Input6
Temp Sensor2
Other Specifications
Operating Temperature-40℃ to +70℃ (-40℉ to +167℉)
-40℃ to +85℃ (-40℉ to +185℉)
HumidityOperating: ≤90% non- condensing
Storage: ≤95% non-condensing
Dimensions(mm)482.6W (19’’) x 44.4H (1U)x 280D
Weight≤5kg(Without rectifier)

Ask for Assistance

Selecting the right power supply for your application is not a small task. Let our technical sales engineers guide you through the process of choosing the right solution for your needs.

Below some parameters usually required to size and select the right power supply:

  • Power & control requirements
  • Output & Input Voltage / Multioutput Voltage / Variable Voltage
  • Redundancy level
  • Mounting
  • Inrush Current
  • Environmental specifications (Temperature, altitude, vibration, shock)
  • Specific Industries Standards (Railway, Military, Medical)
  • Terminals

Contact Our Team

Contact our team of experienced engineers to discuss your unique power conversion and backup needs. We offer a wide range of highly reliable components that can be integrated and customized to create a solution that meets or exceeds your requirements.

For power automation systems please contact us at

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