DC power supply DC ST801

DC ST801, 48 VDC, modular, up to 3 x 850 W

The DC ST801 power supply system is designed for various applications such as DC UPS systems or TPS
applications. It provides superior reliability at an extremely compact space, including processor controlled
battery charging, programmable relay contacts and configurable DC outputs. Numerous options provide
solutions for global applications in different environments. This system is prepared for up to 3 rectifiers GR 850.

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  • 19” / 1U shelf power system up to 2550 W
  • Easy connection by screw terminals
  • High efficiency up to 95,2%
  • High power density
  • Very short depth (for 300mm ETSI housing)
  • Rectifier parallel-redundancy
  • Rectifier GR 850 with temperature-controlled ventilation
  • Integrated temperature sensor for temperature
  • Easy setup and programming via web browser
  • The supply to the load through the rectifier is
    guaranteed even in case of failure of the controller
  • 24 months warranty


DC ST801
GeneralEfficiency≥ 95.2 %
EMCEN 55022, class B
SafetyEN 300 386
CoolingFan cooled, temperature controlled
ProtectionIP 20
InputAC connection1 x L/N/PE
Nominal voltage230 VAC
Voltage range80 … 300 Vrms
Voltage range, reduced power80 … 130 Vrms
Frequency range45-66 Hz
Current nominal5,8 Arms
Recommended protection16 A
OutputNominal voltage-53.5 VDC
Voltage range-42 … -58 VDC
Output current47.4 ADC
Power limitation3 x 850 W
Rated power2550 W
Power, redundant1700 W
DC OutputOverload protectionMax. 6 pieces / 2 … 30A
Standard kiteach 1 x 2/6/10/16/20/30A
LVDF1 – F4
PLDF5 + F6
Battery connectorFuses2 x 50 A
MechanicsConstructionSteal rack
Cabinet standard19 Zoll
Width430 mm
Depth, overall280 mm (excluding rectifier)
Height, overall44.45 mm (1 HE)
Weight, system4.5 kg (excluding rectifier)
Weight, rectifiereach 0.6 kg
EnvironmentOperation temperature-35 … +60 °C (power reduction from 45°C)
Relative humidity95% max., non condensing
Control / monitoringControllerORION
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