"World's recognized authority in power treatment"

UltraLITE Model ELC (600W to 2kW)


The Model ELC’s compact front access design features one of the smallest cabinet footprints in the industry!

Meeting the NFPA 101 and NFPA 111 standards, the Model ELC is considered "Life Safety Equipment". It is also UL 924 listed as "Emergency Lighting Equipment", providing the required 90 minutes of emergency backup power, and is 100% compatible with all lighting applications and life safety systems. The Model ELC provides uninterrupted, regulated, continuous sinewave output for use with "normally on" lighting fixtures and exit lamps, as well as standby output for use with "normally off" emergency lighting fixtures. It is also generator-compatible. The Model ELC’s voltage regulation and performance characteristics make it an advantageous choice over competing lighting inverters.

Whether fed from the AC power source or even while in battery mode, the ELC has a peak overload capability of 1200% to accommodate inrush current from LED fixtures!

Available in 600W to 2kW single phase sizes, the UltraLITE Model ELC is ideal for schools, parking structures, hospitals, retail facilities, apartment buildings, worship facilities, and many other similar applications.

Single Phase Sizes: 600W, 1kW, 1.5kW, 2kW

Learn more about the “NFPA 101 Life Safety Code”, UL 924 listings, on-line and standby off-line lighting inverter topologies, as well as how our inverters meet (and can exceed!) NFPA 101 … read our "Egress Lighting Solutions" brochure! And for our Canadian customers (including specifying engineers, lighting designers, and distributors), read our CSA / NBCC compliance addendum, which supports the selection and application of our emergency lighting inverters in Canada!

Features & Benefits
Technical Specs

General Specifications

Guide Specifications

Back to top Top
Features & Benefits

  • Uninterrupted, regulated, continuous sinewave output for use with “normally on” lighting fixtures and exit lamps, HID compatible
  • Standby output for use with “normally off” emergency lighting fixtures
  • Timed Normally Off Bus “PLUS” option includes an adjustable soft start to accommodate the high inrush current of “normally off” emergency lights.
  • True, online double-conversion topology provides conditioned, regulated power and 100% reliability to emergency lighting loads
  • High-speed automatic static bypass
  • Manual bypass switch
  • Advanced DSP control used for enhanced performance, accuracy, and system reliability
  • Compact, front access design, featuring one of the smallest cabinet footprints in the industry
  • Standard NEMA 2 drip-proof enclosure
  • Generator-compatible
  • 4-stage, temperature-compensated battery charger for increased battery life
  • An industry-leading battery recharge time of 24 hours or better
  • Optional NetMinder Ethernet/MODBUS adapter for remote monitoring

Back to top Top
Technical Specs

  • Input Operating Voltage Range: +12%, -30% typical, load-dependent, without battery usage; +12%, -15% at full load
  • Input Frequency: 60 Hz, ± 2.5%
  • Input Current Harmonic Distortion: < 5% THD
  • Input Power Factor Correction: > .97 pF at full load
  • Output Sine Wave Voltage: Typically 3% output THD with linear load
  • Output Regulation: Typically better than ± 2%
  • One (1) Output Circuit Breaker included for the “Normally On” bus and/or the “Timed Normally Off” bus. Optional Output Circuit Breakers available.
  • Overload: Up to 125% for 30 cycles, 150% for 4 cycles when fed from the AC power source, or on battery (without use of static bypass)
  • LED Inrush Rating: Peak overload capability of 1200% to accommodate inrush current from LED fixtures (without the use of static bypass)
  • Operating Temperature: 20º to 35º C (for “UL 924 Emergency Lighting Equipment” Listed models); Optimum battery performance and life at 25º C
  • Operating Temperature: 0º to 40º C (for “UL 924 Auxiliary Lighting and Power Equipment” Listed models); Optimum battery performance and life at 25º C
  • Operating Temperature: 10º to 40º C (for models that are C-UL Listed to CSA C22.2 No. 141-02); Optimum battery performance and life at 25º C
  • Inverter electronics designed for use at 0º to 40º C
  • Battery Time: UL 924 Listed 90 minutes at full-rated kW output, or with optional run times from 15 minutes to 4 hours, C-UL Listed to CSA C22.2 No. 141-02 with 30 minutes run time
  • Audible Noise: < 50 dB

Back to top Top

  • Schools / Universities / Dormitories
  • Arenas / Stadiums
  • Parking Structures / Garages
  • Hospitals / Clinics
  • Office Buildings
  • Shopping Malls
  • Hotels / Motels
  • Apartment Buildings
  • Correctional Facilities
  • Worship Facilities

  • What are centralized lighting inverters and why use them?

  • A centralized lighting inverter is an electronic system that converts DC battery power to standard AC voltages to provide back-up for lighting systems during a power outage. Centralized lighting inverters provide a single point source of power for all emergency lighting and exit signs. This provides for a controlled logical wiring scheme and results in a single point for monthly and annual testing.

  • Is the UltraLITE Model ELC capable of operating both normally off and normally on lighting fixtures?

  • YES! Available on the Model ELC is a Normally On and optional Normally Off output bus. Both outputs may be configured with branch circuit breakers, allowing for an easy and less expensive installation.

  • When supplying power to normally off emergency lights, are there any application issues to consider?

  • YES. Adjustable transfer on delay and transfer off delay settings are often used. The transfer off delay in particular is often set at 10 to 15 minutes, allowing plenty of time for HID fixtures, if used in the area, to regain their full illumination. These adjustable time delays are standard when the UltraLITE Model ELC’s Timed Normally Off Bus “PLUS” is selected.

  • Can all inverter systems handle the high inrush current associated with energizing normally off emergency fixtures?

  • NO. Other manufacturers’ products may shut down if the high inrush current exceeds the inverter’s on battery overload rating. This is not the case with the UltraLITE Model ELC! The ELC’s Timed Normally Off Bus “PLUS” option is provided with a user-programmable 0 to 3 second soft start control. This control limits the high inrush current and assures compatibility with various lighting types and manufacturers.

  • Is the UltraLITE Model ELC a fast transfer lighting inverter system?

  • The answer is NO…its better! Fast transfer systems do experience a break in power. The Model ELC has an online, double conversion topology, which means that the inverter is always on. If there is a loss of power, the inverter will draw energy from the batteries instead of the normal AC input source, with no break in the power. Thus, the Model ELC exceeds the performance of all fast transfer systems.

  • Is it important that lighting inverter systems provide a regulated output to emergency fixtures?

  • The answer is YES for many reasons. Here are a few of them. A regulated voltage source: 1) Provides stable voltage to sensitive light fixtures, i.e. HID fixtures. 2) Minimizes voltage drops associated with longer wire runs. 3) Results in less-frequent replacement of ballasts, lamps, and LED lighting fixtures in particular!

  • Does the UltraLITE Model ELC preserve battery life?

  • YES! The more a battery is discharged, the shorter the life. The Model ELC incorporates Fuzzy Ranging into its design. Fuzzy Ranging is a feature that adjusts the switch to battery point based upon the percentage of load. Under lighter loads, the switch to battery point can be as low as -40% of the nominal voltage. Most other inverters will switch to battery at around -15% of the input voltage. So in the event of a brownout condition, the Model ELC will still maintain regulated power to the lights, without switching to battery back up. This results in the extended life of the batteries, which reduces the cost of maintenance.

  • Does the UltraLITE Model ELC have a transfer time, and if so, is it important?

  • The Model ELC DOES NOT have a transfer time because of its online, double conversion topology. Transfer time is the time it takes to recognize and deliver emergency power. The transfer time of any standby or “fast transfer” inverter results in a momentary interruption or break in output voltage. For many applications, this is simply not desirable. A zero transfer time insures that there is no interruption of power to the lighting fixtures. This is a very important factor with HID and high pressure sodium lighting. Lighting control systems and alarm circuits may also need a no break type system because of the circuit power requirements.

  • Is the UltraLITE Model ELC NFPA 101 compliant?

  • YES! The Model ELC is compatible with NFPA 101, "Periodic Testing of Emergency Lighting Equipment".

  • Is the UltraLITE Model ELC compatible with HID and high pressure sodium lighting?

  • YES! The Model ELC is a true no-break lighting inverter system, 100% compatible with HID and HPS fixtures. Stand-by inverters produce up to a 1/2 cycle of power interruption, causing HID lighting to extinguish. Once this occurs, it will typically take the lamp 10 minutes or so to regain full illumination.