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Accessories / NS 600 - Uninterruptible Power Supply System
Uninterruptible Power Supply System NS 600 is a modular designed system intended for different low power applications. Input line voltage is 220 AC and output voltage is -48 VDC. Loads and batteries are connected directly to the system output voltage. The output power of the system is dependent on the number of parallel rectifier modules and required system autonomy.

Up to four rectifier modules can be connected parallelly. Each module has output power of 150 W. More protection configurations are available. The most frequently used are 2+1 and 3+1. Different configurations of applied modules and different capacity of applied batteries enable modular system design to meet customer's requirements.

Hermetically closed lead batteries ensure the required system autonomy. Power supply system with batteries and AC/DC distribution is installed into ETSI cabinet.

Input and output alarms (relay contacts) enable local monitoring of the system operation. Alarms can be defined as urgent or not urgent (if one mode fails, the system is still in operation but it is no longer protected). External outputs can be connected to network element management system SparkView with a special (IOD) unit.

The Power Supply System can be divided into two parts:
  • Power supply subrack: it includes line connection, output sockets, rectifier modules, protection devices, monitoring and control unit
  • Batteries: they assure system autonomy. Available system power provides for connected devices and flat battery charging - even if the stand-by module fails.

Main Features:
  • Adjustment of output voltages of rectifier modules and current sharing
  • Simultaneous adjustment of output voltages and current division between modules
  • Battery charging with temperature compensation floating voltage
  • Urgent and not urgent alarm by rely contact and led signalisation
  • Remote management with SparkView

The most frequently used configurations:
type - description name: NS 600 / 2+1 / 25 Ah NS 600 / 3+1 / 50 Ah
number of rectifier modules: 3 4
output power at nominal output voltage (48 V): 192 W / 150 W 240 W
autonomy: 4 h / 6 h 8 h
battery capacity: 25 Ah 50 Ah
 
 
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