Cyberex Power Distribution Unit technical specifications

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General Data


Natural Convection
Hinged Dead-front panel
LCD 320x240 display
Ground Single point
Cable Entry Top or bottom


PDU 50 to 225 kVA and most 300 kVA

Height 77.4” 
Depth 34” 
Width 34”

PDU 300 kVA dependent on transformer option

Height 77.4” 
Depth 34” 
Width 46”

PDU 350 - 500 KVA
Height 78” 
Depth 38” 
Width 52”
Sidecars available in 3 Widths
Height 77.4” 
Depth 34”
10” Side-facing
24” front and/or rear facing
34” front and/or rear facing
Operating Conditions  
Temperature (Operating) 0 to 40C
Temperature (Storage) -40 to 60C
Audible Noise Max 55 dBA

Electrical Characteristics


50-500 kVA
Input 3 Phase, 3 wire + Ground
Input voltage 480VAC – 60 Hz (Other configurations available as non-standard)
Engineering to Order (ETO) Transformer Configurations Options possible (Primary  600V and below: Secondary 600V and below) contact factory
Output 3 Phase, 4 wire + Ground
Output voltage 208/120 VAC (Other configurations available as non-standard)
Tansformer ratings
K4, K13, K20
Standard & TP-1, copper, delta-wye, electrostatic shielding
Tansformer temperature rise
150C (std) – 115C (optional)
 Tansformer inrush  Normal (11X) and low (5X)
 Tansformer compensation taps (4) 2 ½% FCBN, (2) 2 1/2% FCAN
Full Capacity Below/Above Nominal: Transformer has taps for below/above rated voltage to maintain delivery of rated kVA
 Tansformer insulation 220C (class R)
 Neutral rating 200%

Distribution Options

Needed for more than 2 panelboards
1 PDU Unit 50-300 kVA
Up to 3 sidecars
6 panelboards or 24 sub-feeds (100 – 225A) or 6 sub-feeds (400A)
 1 PDU Unit 350-500kVA  

Enhanced Options

Branch Circuit Monitoring

Sub-feed and branch circuit with or without monitoring

Remote emergency power off (REPO)


Seismic floor stands

Input junction box
Isolated ground




ETL listed to UL 60950 and UL 891 ; cETLus to UL1CSA 60950

Compliant (Part 15)
Technical specifications are subject to change without notice. 
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