SFEE and ELTEK products

48Vdc power supply for electronic switching system.
THYRISFLOAT RS AND RS CPR

THE FLOATING RS REGULATED RECTIFIERS HAVE BEEN SPECIALLY DESIGNED FOR THE SUPPLY TO ELECTRONIC AUTO-SWITCHES.

THESE RECTIFIERS, WORKING WITH LEAD OR CADMIUM-NICKEL BATTERIES, SUPPLY THE AUTO-SWITCH WITH A 48VDC CURRENT FROM A TRANSISTOR SERIES REGULATOR (RS). ELECTRICAL CHARACTERISTICS IN ACCORDANCE WITH SPECIFICATION 5640.

 

MAINS SUPPLY

Three-phase 400V ± 15% 50 or 60 Hz ± 4%. 230V ± 15% on request.

BATTERIES :

  • LEAD : Floating : 2,2 V/cell ± 1%. Equalization : 2,3 V/cell ± 1%.
  • SEALED LEAD BATTERY CELLS 24 cells. Floating : 2,27 V/cell ±1% à 20°C. *Equalization: 2,35 V/cell ±1% * (Optional).
  • CADMIUM-NICKEL : Floating : 1,42 V/cell ± 1%. Boost charge: 1,45 V/cell ± 1%. TEMPERATURE COMPENSATION (OPTION)

BATTERY REGULATION :

± 1%, for mains variations ± 15% and from 0 to IN output current.
Voltage adjusting ± 5%.
Current limitation. 1 to 1,15 IN
Battery-charge current limitation.



 
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