Space Critical Power Solutions

  24V 75 - 300Amp




Main features
• Up to 7.2 kW installed power
• User friendly user (LCD) operation interface
• Wide input voltage range
• Module design, front access for simple maintenance
• Compact design, saves valuable floor space
• Intelligent remote system monitoring and control
• Telecom, wireless, datacomm
• Medium power system
Delta DPR 1800 series power system, consisting of compact rack enclosures, 1800W rectifier modules and related power distribution units, is under the control of Control and Supervisory Unit. User can operate the system via the user friendly, LCD interface. Meanwhile, with the Delta power system management software. Delta DPR 1800 series power system is designed to meet the demands of today’s and tomorrow’s wireless and wire-line network applications. It combines a compact, modular design and intelligent power features. The 24V type 1800 watts power module is UL, TUV
approved and manufactured in our modern ISO 9001 and TL 9000 certified facility.
Technical Specifications
Efficiency: ≥ 89.5 %
Losses, max.: 225W (Per rectifiers) Max
Safety: CE (Per rectifiers)
EMC: EN 55022 Class A (Per rectifiers)
Cooling: Fan cooled rectifiers
AC connection & Nominal voltage: 3L-N + PE : 380 VRMS
Range, full power: 184 ... 300 VRMS
Range, reduced power: 90 ... 184 VRMS
AC over voltage disconnect: 310 ± 10VRMS (Recover 290± 5V RMS)
Frequency range: 45 ... 65 Hz
Current nominal: 3L-N + PE: 20.8 ARMS @ 7.2 kW
Inrush current: < 17.3 Apeak per rectifier
Harmonic distort. THD:  < 5 %
Input protection:  ACV high protection
Main switch:  AC Terminal
AC Surge:  Optional
Voltage, nominal:  Float: 27.0 VDC, Equalize: 28.2 VDC
Voltage range:  20 ... 29.5 VDC
Voltage regulation:  < ± 0.1 %
Overvoltage protection:  29.5 VDC
Ripple + spikes:  ≤ 200 mVp-p
Psophometric noise:  ≤ 2.0 mVRMS (weighted)
Output current:  266.6 ADC @ 27 VDC, 300 ADC @ 24 VDC
Power, maximum:  7.2 kW
Load distribution
System Configuration:
Power Distribution Unit:
1. Main AC Terminal (Top -Rear)
2. Load Breaker X 18 (DIN Rail C60 Type) 63A x 2; 32A x 12; 10A x 2; 6A x 2
3. Battery Breaker x3 (Screw Type) Breaker 200A x 3
4. Controller - New Smart CSU
5. 128 x 64 Dots LCD display
6. 8 relays dry connect.
Low Voltage Disconnect x 1:  300A x1 (Battery Side)
Construction:  Power Shelf
Height, overall:  263 mm / 10.4 inch
Width, body:  482.6mm / 19 inch
Depth, overall:  386.1 mm / 15.2 inch
Weight, system:  55 kg / 121 lb (w/o Rectifier)
Weight, rectifiers:  2.0 kg / 4.4. lb
Ambient temperature:  -20 … +45°C / (-4… 133°F)
Storage temperature:  -40…+75 °C (-40…+167 °F)
Relative humidity:  95 % max, non cond.
Control and monitoring
Power system controller:  Delta New Smart CSU
Display:  LCD 128 x 64 dots display
Function:  System monitoring (remote/local), Parameter setting, Temperature compensation, Boost / Equalize charge, Alarm relay definable, Battery test
Remote Interface:  RS-232
Rectifier:  Slot 1~4 rectifier, Slot 5&6 are empty
Rectifier blank panel
Delta remote management software
Download PDF Data Sheet 
Subject to change due to technical progress

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Last modified: 06-Jan-2014  

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