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Cyberex® Mission Critical (MC) Series technical specifications

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General Data

100% Continuous Duty Rating

Digital signal processor based, fully digital switching controls
Six (6) Plug-in circuit breakers
Dual Maintenance Bypass design
Redundant output distribution breakers
Key interlocking for safety and accuracy
Comprehensive System Interface Panel
Operator Guided Bypass Controls
5000 Real-Time Event & Alarm Log 
Transfer Counter 
Metering Display of kVA, kW, Ipeak, Phase, Voltage & Frequency
Multiple Layers of Password Protected Controls 
Modbus Communications Interface
Options:
Dynamic Inrush Restraint (DIR)
Waveform Capture
Up to six (6) 42 Circuit Output Panelboards (252 Poles)
Up to twenty-four (24) Sub Feed Breakers [100; 150; 225; 400]
Up to two (2) 800 Amp I-Line Output Distribution Panelboards [ten (10) removal breakers]
Output Distribution Breaker Monitoring

Electrical and transformer(s)

kVA

75-300kVA

Input voltage

480V (3 Phase, 3 Wire + Ground)

Output voltage 208/120V (3 Phase, 4 Wire + Ground)
Neutral 200%
Input voltage 208/480/600V (3 Phase, 3 Wire + Ground)
Output voltage 208/120V (3 Phase, 4 Wire + Ground)
Frequency  60Hz 
Transformer ratings K13 (Std.) K4, K9, K20 (Opt.) 
Dual Transformer Positioned at input to 208V DSTS
Single Transformer Positioned at output of 480V DSTS 
Transformer
Copper, Dual Electrostatic Shield 
Transformer temperature rise
150C (Std) 80C, 115C (Opt) 
Transformer compensation taps  2 ½% (4X FCBN, 2XFCAN) 
Transformer insulation  220C 
Temperature (operating) 0 to 40C 
Temperature (storage) 0 to 60C 
Audible noise <60 dBA 
PDU operating efficiency DOE 2016
General Equipment Specifications  
Cooling PDU: Convection, DSTS: Dual Redundant Fans
Audible noise <60 dBA
STS operating efficiency Up to 99.4% (480V), 98.7% (208V)
DSTS Automatic Sense & Transfer Time Less than 4ms
SCR Fully-rated, hockey-puck type
Type II Fuseless Current Path
STS TVSS  40ka 
Power supplies  Triple Redundant 
Internal bus Dual Redundant 

Communications and software

Password Protected

Defined user tiers
Protocol Modbus RTU (RS-485); Modbus TCP (Ethernet) 
Email DSTS Annunciates Selected Events 
STS Software upgrades  Remote downloadable 
Emergency power off
Remote (Std.); Local (Opt.) 
STS Relay Contacts  16 form "C" relays
PDU User interface  6.5" color touchscreen LCD with integrated unit status LED
ring-light

Meeting and event management

Voltage & Current and Power & Energy
DSTS and PDM input and output
Branch Circuit Management
(Optional) up to 252 poles per module
Sub-feed Management
(Optional) up to (65) 3 pole circuits
Event Alarm Log Up to 5000 time-stamped alarms and warnings events 
Waveform Capture  (Optional) Records (20) 10 Cycle Events


Compliancy

UL (STS) ETL Listed to 1008S and CSA No. 178
UL (PDU) ETL Listed to UL 60950 and UL 891, CSA 60950
NEMA Standards
FCC Compliant (Part 15)


Technical specifications are subject to change without notice.