Critical Power Products & Services is a Liebert Platinum Partner! 

CPP&S has teamed up with Emerson Network Systems and Liebert to be able to provide you with top of the line UPS systems. New 3-phase Liebert UPS systems will be available with great savings passed on to our clients. Critical Power Products & Services is the market leader in backup power equipment, supplying only the highest quality UPS systems available worldwide. Liebert is a global manufacturer of power, precision cooling and infrastructure management systems for mainframe computer, server racks, and critical process systems.

Protect your Equipment with a 3-phase Liebert UPS


  • Increase the Reliability – Reduce Service Costs
  • Increase the Lifespan – Maximize Your Investment
  • Be Alerted to Power Problems – Knowledge is Power
  • Save Data Files – Don’t lose your work
  • Continue to Work – No Down Time
  • Reduce Power Related Service Costs


  • True On Line Topology
  • Pure Sinewave Output
  • Seamless Battery Transfer
  • Voltage Regulation
  • Surge Suppression
  • Double Conversion
  • Isolation Transformer
  • Front Access Only Required
  • Full Monitoring
  • Automatic Bypass



ups-button-used ups-button-medical
Voltage   208 or 480 VAC   Interface   RS484, RS232, Relay, Contacts
Voltage Range   +20%, -20% (w/o batteries)   Display   Front Mimic Panel LCD
Configuration   3 Phase, 3 Hots + Ground   Audible Alarm   Programmable
Frequency   60 Hz   Emergency Shut Down    
Protection   Circuit Breaker + Bypass   Network Capable   Optional
Power Range   500 va to 500 kva   10 – 60 kva   62″H x 22″W x 31″D
Power Factor   0.8   80 – 160 kva   62″H x 43″W x 31″D
Voltage   208 or 480 VAC   Batteries (each)   62″H x 22″W x 31″D
Voltage Regulation   ± 1%   Electronics Weight   2000lbs
Configuration   3 Phase, 3 Hots, Neutral + Ground   Battery Weight   2000lbs (ea)
Cress Factor   3:1   Power Connections   Bottom
Harmonics   <2%   Service Access   Front
Phase Imbalance   120° ± 0.5°   Operating Temp   0° C – 40° C (control cab)
0° C – 25° C (battery cab)
Frequency   60 Hz ± 3% sync to input        
Frequency Stability   ± 0.1%        
Overload Rating   150% for 30 seconds        
Configuration   Modular 3-Phase UPS   Surge   IEEE 62.45, ANSI C62.14
Topology   Double Conversion   ESD   IEC 801.2
Technology   Double Redundant   RF Interface   FCC Article 15
Efficiency   93%   Voltage Let Thru   UL1449
Bypass 1   Automatic Bypass   Power   UL 1778
Bypass 2   Internal Maintenance   NEC   Article 250d
Audible Noise    Energy Star Transformer
Cooling   Controlled Forced Air        
Battery Time   10 Minutes Full Load   UL   Underwriters Laboratory
Extended Time   30 Minutes per Extra Cabinet   CE   Consultants Europe
Battery Type   Maintenance Free   CUL   Canadian UL
Battery Capacity   29 Batteries per String   ANSI   American National Std
DC Voltage   384 VDC   FCC   Federal Communication
Protection   Circuit Breaker   NFPA 70   National Fire Protection
Charger   Programmable, Temp Compensated   IEEE   Inst. Electrical Engineers