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PS-4810   Power Supply    
12VDC Power supply from or - grounded 48VDC sources  

Typical redundant power supply configuration


The LiteLink PS-1260 is a stand-alone or rack mountable power supply that is specifically designed to provide an isolated 12VDC 1 Amp output from common -48 VDC telecommunications power sources. Both the inputs and outputs are fully  isolated from each other (and from ground) making the unit ideal for a wide range of applications.


The PS-4810 has integral power, overload and alarm indicators. Internal fuses protect the unit in the event of an overload and will automatically reset when the overload condition is removed. The power supplies have the ability to be paralleled for redundant operation.

 
Specifications Important Features
DC Output Voltage  12 V 1%m 0 - 1 Ampere     Redundant Operation and hot
    swappable
DC Input Voltage 36 to 75 VDC @0.5A max   Self Resetting Fuse
Ripple/Noise (20mHz BW) 35mV RMS maximum   Power & Overload Indicators
Line/Load Regulation 2% maximum   Stand-alone, DIN or Rack
    Mountable (same unit)

    
Input/Output Isolation 10 megohm, 2250 volts DC  
Indicator Lights  Power, Overload, Alarm*
25% Step Response 300 uSec maximum    
Switching Frequency 350 kHz nominal
Efficiency 85% typical
Input/Output Connectors  Removable Terminal Block
Ground/housing connector 6-32 threaded stud
Humidity <95% non-condensing
Operating Temperature  -40 to +80C
MTBF (MIL-HDBK-217) 125,000 Hours minimum    
Physical Size/weight  5.0L x 3.0"W x 1.0"D/1 lb.
 127mm x 76mm x
   25.4mm/0.37Kg
   

Note all specifications are subject to change without notice
*The Alarm light is used to indicate a failure of one supply when two or more are connected for redundant operation.

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