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Jupiter Series UL1778 Certified High Power True Online UPS Systems


  • Complete input to output Galvanic Isolation.
  • High frequency (almost silent) operation
  • Push button starting and stopping
  • Diagnostic panel with LCD and LED display
  • Soft start on inverter
  • Overload & and short circuit protection on charger and inverter
  • Maintenance free batteries
  • True On-Line operation
  • Solid state transfer switch built in and standard at no additional charge
  • Maintenance bypass switch built in and standard at no additional charge
  • All electronics are built in modular front access and front removable sub assemblies for easy service and maintenance
  • Batteries may be built into units up to 20 KVA
  • Automatic dual rate battery charger (float charge and boost charge)
  • FCC class A approved
  • Remote isolated dry relay contacts


Nova’s Jupiter-Series UPS Systems are high-reliability power sources specifically designed for demanding commercial and heavy industrial applications which require UL1778 Certification.  These models utilize True On-Line technology and the most durable components, offering maximum field-proven reliability for severe environment and high reliability applications. Please note: Any Jupiter UPS shown herein can be used with larger batteries to obtain higher run times. 75AH, 88AH and 100AH batteries are also available – consult factory for run times.


Specifications for the Nova Jupiter-Series UL1778 Certified Three-Phase UPS Series
PHASE 3-Phase Input/ 3-Phase Output
KVA 10 15 20 30 40 50 60
Input Rectifier
Input Voltage (VAC) 120/208 VAC
Input Range +/- 20% (>+20% is available upon request)
Input Frequency 50/ 60 + 5Hz
Power Walk In 0% – 100% :20 sec
Voltage Regulation 1%
Efficiency 98%
Rectification Type 6 Pulse Standard, 12 Pulse Optional
Battery Type Maintenance free lead-acid batteries/ 12V (348 VDC Nominal)
Maximum Charge Current(Adc Selectable)LO,MED,HI 4 8 8 12 16 25 26
Battery Start Yes, UPS can be started without AC source.
Output Voltage (VAC) 120/208
Wave Form Sinewave
Output Power Factor 0.8
Frequency Lock Range 50 / 60 Hz +/- 3 Hz
Output Frequency (Free Running) 50 / 60 Hz +0.1Hz (crystal controlled)
Output Frequency (free running) 0.7 lead to lag
Phase Shift Under 100% Unbalanced Load <0.5%
THD (Linear Load) < 2%
<110% Continuous
>110-125% Up to 15 minutes
>125-150% Up to 5 minutes
>150-170% Up to 30 seconds
>170-200% Up to 15 seconds
Efficiency (100% Load) 93% 93% 93% 93% 93.5% 93.5% 94%
Voltage Range Same as Main Rectifier Input.(Different voltages are available upon request)
Mains <-> Inverter 0 ms (True Online)
Overload As per inverter rating plus >200% to 300% = 1 second
Overall Efficiency 91% 91% 91% 91% 91.5% 92% 92%
Maximum Heat Dissipation (kw) 0.7 1.1 1.4 1.9 2.6 3 3.5
BTU/h @ Full Load 2.4K 3.6K 4.8K 6.5K 8.9K 10.3K 12K
Audible Noise <65 dBA (at 1m)
Temperature 0-40ºC (32-104ºF)(Other ranges available)
Humidity 0%-95% (Non-condensing)
Altitude <1500 m Above Sea Level
MTTR Less Than 30 minutes
EN50091-1, -2 Yes
Short Circuit Protection Yes
MTBF As per Field Experience >100,000 Hours for loss of AC Output
Lightning / EMC Filter MOV / Input & Output ( FCC Class A)
Galvanic Isolation Input and Output True Galvanic Isolation
LED, LCD, Audible Alarm Yes
Remote Control and Communication Interface Choices Dry Contact, RS-232, RS-485 (Optional,) UPScan Monitoring 1~99 Units Simultaneously (Optional,) Netagent (Optional,) MODBUS (Optional)


  • The unit includes an RS232 communication option called UPSCOM which can monitor the output parameters and any abnormal conditions that have occurred in real time.


  • This will report all UPS parameters including input and output voltages, currents, frequency, battery voltage, battery current, and many other functions.


  • Real time status, data, and historical events are displayed via the LCD display. The UPS parameters, real-time clock, inverter, and buzzer can also be set through this LCD, which is backlit by LEDs for visual clarity.


LEDs representing all important operational information provide feedback to the user. LED descriptions are as follows:

  • UPS ON – UPS is running normally.
  • UPS SS – UPS static switch is on while the reserve static switch is opened (off).
  • SHORT CIRCUIT – UPS output is in short circuit state.
  • FUSE / OVERTEMP SD – UPS has shut down due to either fuse open or over temperature.
  • UPS FAIL SHUTDOWN – UPS has shut down due to low inverter AC output voltage.
  • BYPASS ON SHUTDOWN –UPS shut down due to closed bypass breaker. UPS shut down due closed bypass breaker (while inverter running).
  • HIGH DC SHUTDOWN – UPS shut down due to high DC bus.
  • OVERLOAD SHUTDOWN – UPS shutdown due to overload of the inverter for a period greater than the inverter can accept. The UPS will start after 7 seconds.
    70% LOAD – load connected to the output is over 70% of the Inverter rating.
    110% LOAD – load connected to the output is over 110% oh the Inverter rating.
    125% LOAD – load connected to the output is over 125% of the Inverter rating.
    150% LOAD – load connected to the output is over 150% of the Inverter rating.
  • RESERVE AC FAIL – reserve AC magnitude is out of range.
  • RESERVE FREQ FAIL – reserve frequency is out of range.
  • BATTERY LOW – DC bus (or battery) is lower than specified range, low battery shutdown will occur soon.
  • BATTERY LOW SHUTDOWN – inverter shutdown due to DC bus (or battery) lower than the acceptable DC voltage of the inverter.
  • HIGH DC – DC voltage over the acceptable DC voltage of the inverter.
  • EMERGENCY STOP – Inverter shut down activated by emergency stop switch.
  • DATA LINE – Blink when data is transmitted to or received from the communication port


When abnormal condition occurs, these LEDs will light to warn the user of the cause of the fault condition. These LEDs are:

  • RESERVE FAIL – Reserve AC input is abnormal either due to AC magnitude out of range or frequency out of range.
  • FUSE/TEMP – Either inverter fuse is open or over temperature has occurred.
  • OVERLOAD – Output is overloaded by over 110%, 125% or 150%
  • HIGH DC – This LED will light when DC input approaches high-line limit.
  • BAT LOW – This LED will light when the DC voltage is low.
  • BAT LOW STOP – This LED will light when the DC voltage is lower than specified range.
  • FAULT – The inverter is off due to abnormal conditions such as overload, short circuit, high DC, fuse over temperature, bypass breaker on emergency stop.


The audible alarm will beep under either one of the following conditions:

    > 110% beep once every 3 seconds
    > 125% beep once every second
    > 150% beep twice every second
  • INVERTER IS SHORT CIRCUITED – Beeps continuously
  • FUSE OPEN– Beeps continuously
  • HEAT SINK OVER TEMPERATURE – Beeps continuously
  • HIGH DC SHUTDOWN – Beeps continuously
  • BYPASS ON STOP – Beeps continuously
  • EMERGENCY ON STOP – Beeps continuously
    The buzzer will also beep once every time the inverter is switched on or off to acknowledge to the user that his key entry is valid and accepted.temperature, bypass breaker on emergency stop.


    • Battery Disconnect: The optional battery disconnect is offered to provide protection for the batteries.  The electrical code requires a disconnect near the batteries.  We will mount this disconnect inside the battery enclosure, if ordered.  This option is strongly recommended.
    • Ruggedization: Ruggedization is highly recommended for harsh environment applications, and includes conformal coating of the UPS’s PCBs to protect against humidity, condensation, and fungus growth. This option does not affect size or weight.
    • UPScan Remote Monitor Panel: This is a hand held remote display and control module with LCD and LED display that can monitor up to 99 UPSs at a remote distance of up to 3,000 feet via RS-485.
    • NETAGENT:  This provides capability to monitor the UPS over the internet.  It includes the appropriate additional SNMP card and microprocessor.  The software required is provided by Megatec at additional cost.  When equipped with this option, the user can connect a CAT-5 cable for interface to the external LAN.
    • DCMON:  This is a battery monitor module for all the batteries in each 29 battery string.  This feature can provide information on a defective battery before problems cascade to other batteries in the total battery bank.  Each battery’s condition is reported to a user viewable battery display unit which will tell the user the status of each battery. One display is required per each 29 battery string.
    • Complete Spare Parts Package: We offer a comprehensive spare parts package that includes one of each board, spare fuses, spare semiconductors, and spare fans.  These spare parts kits are priced lower when ordered with the initial order then if they are ordered later on.
    • Factory Turn-On Service: We offer a turn on service for a fee that will ensure the unit has been properly installed and the full warranty is in effect.  (Failures caused by incorrect installation are not covered by the warranty.)  If this option is selected, the customer will also automatically receive an additional 3 months added to the warranty at no additional charge.  This service is provided by factory engineers, not third party engineers. Pricing is dependent upon location, number of units, airfare rates, etc. Please contact us for more details if interested.
    • Premium Wide-Temp Range VRLA batteries with up to 12 year life
    • Additional run time via external battery cabinets
    • Casters for Portability (22 Wide Models Only)
    • Environmental Stress Screening Services