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Guide Specification – 3-Phase Static Uninterruptible Power Supply 
 

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1.1  System 

These specifications describe a high efficiency continuous duty, three-phase, on-line, solid-state 
Uninterruptible Power Supply system (UPS).  The UPS shall operate utilizing the existing power 
distribution system to provide high quality, uninterruptible power to critical loads. 
The UPS shall consist of an AC/DC multi-level Insulated Gate Bipolar Transistor (IGBT) 
Rectifier, DC/DC Converter/Battery Charger, DC/AC multi-level IGBT Inverter, integral static 
bypass, front-accessible controls, display, and monitor.  
 

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2.1  Applicable Standards: 

The UPS shall be designed in accordance with and be compliant with the following sections of 
the current revisions of the following standards: 
 
 

UL 1778/cUL Listed 

 

FCC Class A, Article 47, Part 15.B 

 

ISO 9001 

 

ISO 14001 

 

ANSI C62.41 

 

2.2  Components: 

The UPS shall consist of the following components: 

1.  Multi-level IGBT AC/DC Rectifier 
2.  IGBT DC/DC Battery Converter/Charger  
3.  Multi-level IGBT DC/AC Inverter 
4.  Hybrid Integral Static Bypass (Thyristor switch with wrap around contactor) 
5.  Microprocessor Logic and Control Panel 

 
** The following components shall be optional: 

1.  Battery Cabinet with DC Breaker 
2.  Toshiba Distribution Cabinet (TDC) 
3.  Toshiba Tie Cabinet for parallel operation 
4.  RemotEye II UPS remote communications  and web-based monitor card 
5.  Network communications with MODBUS interface adapter 
6.  Remote Status Alarm Panel (RSAP)