Power-supply system in a 19" case, 1800 W

• Input voltage 100V to 256V AC
• One to three source modules with 600W each and with active load sharing
• Two to five independent protected output circuits
• One to two input circuits for connecting of backup batteries
• Battery management including LVD
• A fully digital control unit with a communication module
• Allows remote administration via HTTP and SNMP
• Local reporting of selected alarms by means of potential free contacts
• Efficiency 92%
• Meets the requirements of the standards EN 60950, EN 55022/B
• Operation modes:
  • parallel mode,
  • redundant mode
• Indication of operating state of the source module on the front panel
• It is possible to attach a module that enables connecting two independent input networks (input redundance)

Source module - Output

• Output voltage 48V (adjustable and controlled in the range of 48 – 54.5V)
• Performance reduction 2%/°C (from 40 to 50°C)
• Output power: max. 1800 W
• Operating state indication: output voltage U A (green)
• Output voltage deviation at:
  • Variation of supply voltage max. 0.1% 100 ... 253 V AC
  • Static load change max. 1 % share 10 – 90 % load
• Current limit
  • Typ. trigger value 12,2 A fixed
• Typ. hold up time 20 ms at 230 V AC, I out=100%, Vout=80%Vnom
• Circuit-closing and time-current characteristic without a back-swing, approximately a monotonous flow
• Efficiency NSD-1800-480 typ. 92 % / 1800 W at 230 V ACin, 100% working load

Source module - Input

• Input voltage 100 - 253 V AC
• Input frequency 47 – 63 Hz
• Input power max. 6 A at 230 V
• Interference elimination class EN 55 022/B 150 kHz... 30 Mhz
• Circuit-closing wave max. 6 A at cold start
• Internal input fuse 5x20 mm F6,3AH/250 V in each power supply unit

Remote control and signalling

• A detailed description can be obtained on request at bke@bke.cz

Electromagnetic compatibility

• Interference emission, EN 55 022 class B
• Interference immunity according to the EN 50082-1
  electrostatic discharge, EN 61000-4-2 8 kV contact discharge (Level 4)
• Group of pulses resistance (burst) 2 kV, 5/50, 5 kHz, EN 6100-4-5
• Surge impulse EN 61-000-4-5
  • 4 kV (cl. 4) asym.: L,N against PE, machine in operation
  • 2 kV (cl. 4) sym.: L against N, machine in operation

Electric safety

• Test voltage 3 kV AC input/output
  • 1.5 kV AC in/PE
  • 500 V AC out/PE
• Air distance / surface way 6.0 mm in/out
• Class I VDE 0106 part 1, IEC 536
• Earth wire resistance < 0.1 Ohm. VDE 0805
• Protection IP 20 DIN 40 050, IEC 529

Operating data

• Operating temperature max. 0° to +50°C
  • optimum temperature +18 - +25 °C
• Storage temperature -20 to +70 °C
• Air humidity max. 90% RH
• Cooling by means of natural convection – do not hinder passage of cooling air
• Altitude up to 2000 m above the sea level

Distribution

The output voltage circuits, just as the circuits for accumulator connection, have electronic protection against short-circuit in form of DC circuit breakers. Distribution may include up to 4 output circuits and 2 accumulator circuits. The accumulator circuit contains also protection against low voltage discharge (LVD). The state of all circuits is monitored by a control unit.

Operating position

The machine is designed to be mounted into and operate in a 19" rack.

Dimensions and weight

19" power-supply system with a touch cover – intended to be mounted into devices
3HE mounting height (132mm), 84 TE mounting width (425mm), depth 300mm
Weight: approx. 9 kg (a fully equipped system)

5 years warranty (since production year 2009)