Power Distribution Unit

For power distribution requirements of medium to large data centers, Delta’s Power Distribution Unit (PDU) provides an optimal solution. The space-saving PDU is easy to move and adapt to future reconfigurations of the data center. The PDU offers superior power protection and monitoring, and the flexibility & scalability to match your actual power distribution requirements. Not only does it improve availability, it reduces the cost of your initial investment.Power Distribution Cabinet

Scalable and configurable for Present and Future Demands


Features

Convenience

  • Configurable circuit breaker panel
  • LCD display supporting multiple languages
  • Recording more than 500 event logs
  • Monitoring the current of each branch circuit breaker
  • Built-in RS232 interface for remote monitoring
  • Six built-in six contact closure outputs
  • Two built-in SNMP interfaces increasing availability

Safety

  • Local and remote emergency power off functions
  • Current unbalance and phase sequence error alarm
  • Optional K-factor isolation transformer enhancing safety and reduces harmonics
  • Optional lightning surge protection module

Availability

  • Easy to relocate, reducing investment costs
  • Two built-in sets of panelboards with 42 poles each
  • Optional transformers for different output voltages
  • Hot-swappable output breaker

Technical Specifications

Model PDU 80 / PDU 125
Capacity [PDU 80]: 80kVA
[PDU 125]: 125 kVA
Input
Rated voltage 220/380 Vac, 3 phase 3 wire+ ground, or 3 phase 4 wire+ ground
Voltage tolerance range ±15%
Frequency 50 / 60 Hz ±5% (Automatic detection)
Output
Rated voltage 220/380 Vac, 3 phase 4 wire+ ground,
Total switching capacity Based on actual product specifications
Switchboard type Two groups of switchboards and 42 poles each
Shunt switch type Hot-swap switch capacity: 15 / 20 / 30A,
Optional: 1/2/3 pole
Transformer
Input-Output Type Δ-Y
Efficiency 97.5% (Full-load)
LCD Display
System Temperature, ground current, System overheat alarm, V-Loss Alarm, Voltage Imbalance Alarm, Ground Fault Alarm
Blue light 4.9” graphic interface
Input Phase voltage, line voltage, phase current, line current, load(%), iTHD, total kVA, total kW, total kWh, Over voltage/over current alarm, under-voltage/nder current alarm, Over line current alarm, iTHD abnormal alarm
Total output Phase voltage, line voltage, phase current, line current, frequency, neutral current, load(%), kVA, kW, kWh, power factor, VTHD, iTHD, Over voltage/over current alarm, under-voltage/under current alarm, Over line current alarm, iTHD abnormal alarm, VTHD abnormal alarm, power factor abnormal alarm
Output shunt plate phase current, kVA, kW, kWh, load (%), iTHD, power factor, line current, over current alarm, under current alarm, Over line current alarm, iTHD abnormal alarm, power factor abnormal alarm
Output shunt Current, load (%), over current alarm, under current alarm
Temperature Environment (instant and alarm), transformers (two stage-alarm)
Regulatory Compliance
Environment CE
Electromagnetic interference EN55022
Communication interface RS232 x 1, dry contact x 6, SNMP slot x 2
Optional accessories Lightning protector
Size (width, depth, height) 600 x 1090 x 2000mm standard 19” cabinet
Weight Excluding transformer: 225kg, including H transformer: 80kVA: 525 kg, 125 kVA: 630 kg

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