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FirstLine PLT 924

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Emergency Lighting Inverters

FirstLine PLT 924

9-54 kW
Three Phase, On-Line Double Conversion, UL924 Central Lighting Inverter

Emergency Lighting System
FirstLine PLT 924 is the result of your demand for an Emergency Lighting solution tailored to meet your requirements for a reliable, cost effective alternative for Emergency Lighting applications that help ensure the safety of your most important asset — your people. FirstLine PLT 924 provides that solution with its easy-to-manage double conversion power electronics and battery system and its rugged all steel construction.
What is an Emergency Lighting Inverter?
The National Fire Protection Association (NFPA) has written Life Safety Code® (NFPA 101®*) that defines the requirements for emergency lighting for means of egress. The standard requires that emergency illumination shall be provided for not less than 1-1/2 hours (90 minutes) in the event of failure of normal lighting.  Installation and testing requirements are written in the National Electric Code® (NFPA 70®*). The FirstLine®PLT 924 is a central system battery back-up to meet these requirements. In the event of an AC power failure, FirstLine®PLT 924 automatically supports the connected lighting loads on battery power and will continue  to provide power without any interruption for a full 90 minutes.  When the utility power returns to normal, FirstLine®PLT 924 will automatically recharge the batteries to be ready for the next power disturbance. In addition to meeting life safety requirements, the FirstLine®PLT 924 can also increase the life expectancy of the protected lighting system and reduce long-term cost of ownership.


  • Compact & Reliable
    –    9-54 kW provides for a smaller footprint
    –    Cooler operation extends internal component life
  • AC Input Performance
    –    High input power factor of 0.99
    –    Low input current distortion of <1% (THDi) @ full load
    –    Soft Start Power walk-in function that ensures progressive rectifier start-up
  • IGBT and Digital Signal Processor (DSP)
    –    Reduces the impact of the UPS on the local supply
    –    Simplifies installation where there is limited power capacity
  • Dual Input
    –    Main power and secondary emergency standby power increase resilience of single or parallel system configuration
  • Adaptive Feed Cancellation
    –    Advanced control with AFC forward cancellation technology for low harmonic distortion.
  • Menu Select Display
    –    User friendly display is easy to see and intuitive to use
  • Parallel up to 4 Units
    –    Provides redundancy for mission critical applications with no additional hardware
    –    Parallel Kit, Communication through CANBUS Parallel Card
  • Installation Savings
    –    System arrives with batteries pre-mounted and wired saving additional labor cost
  • Full Two Year Warranty


  • Public Buildings
  • Theaters
  • Schools
  • Parking Garages
  • Housing Complexes

Lighting Types Supported

  • Incandescent
  • Magnetic and electronic fluorescent ballasts
  • High power factor compact fluorescent
  • High Intensity Discharge (HID)
  • High Pressure Sodium (HPS)
  • Metal Halide (MH)

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