Emerson 200I/48-NT5C05C Manuel D’Utilisation

14   Specifications 

UM5C05C   P0745680   Standard 6.00   October 2001 

At the output terminals, the voltage is within ±0.5% of 
the set voltage value for all specified input and output 
variations, and within ±1% for any combination of 
specified input, output and ambient conditions. 

Unless otherwise stated, all input and output 
parameters such as input voltage range, output current 
and voltage, current limit, etc. shall not vary more than 
2% over the operating temperature range. 

• less than 22 dB of random noise on C band at voice 

frequency over the entire operating range of the 
rectifier, including operation in the current limit mode, 
and at low, nominal and high input voltage conditions 
( with or without batteries and measured at the point 
of regulation ) 

• less than 20 mV RMS in any 3 kHz band between 10 

kHz and 20 MHz ( measurements made with or 
without batteries at the output terminals of the 
rectifier and with the rectifier in the local sensing 
mode ) 

• less than 250 mV peak to peak switching voltage 

spikes ( measured differentially with an a 100 MHz 
oscilloscope ) 

Less than 5%. 

Better than 89% at a nominal input voltage of 350 V ac 
and for an output current ( load ) greater than 80 A. 

Better than 99% with an output current ( load ) greater 
than 80 A. 

The maximum heat dissipation is 1420 watts 
( 4846 BTU / hr ) for an output current ( load ) of 200 A  
at –58 V dc ( when the ac input is 330-475 V )  

The NT5C05CA / CB rectifiers when used in the 
rectifier cabinet NT6C43CA / CB ( equipped with the 
ac EMI filter kit NT6C18KB, or the NT5C05CC without 
external EMI filter ) meet the CISPR requirements for 
conducted and radiated EMI as specified in Publication 
22 for Class "A" equipment. 

The rectifier has an MTBF greater than 120 000 hours 
under normal operating conditions, at 77°F  ( 25°C ) as 
per Telcordia Technologies TR332 method.