LSN D Series
central lighting inverter

The LSN D Series central lighting inverter provides a centralized solution to emergency lighting and power back-up with a wide array of options designed to minimize maintenance requirements and optimize emergency lighting performance. Designed for indoor installation in commercial or industrial applications for use with LED, fluorescent, compact fluorescent, incandescent and HID lamp loads up to 17.5kVA/kW

  • Uninterruptible emergency AC power system
  • No break” design transfers the load instantaneously when normal power is interrupted
  • 90 minute emergency operation supplied standard
  • Single-phase
  • Input Voltage: 120VAC, 208VAC, 240VAC, 277VAC or 347VAC
  • Output Voltage: 120VAC, 240VAC, 120/208VAC, 120/240VAC, 120/277VAC, 277 VAC or 347VAC
  • 60 Hz operation
  • Sizes available from 1.0 KVA/KW through 17.5 KVA/KW
  • Wide selection of output circuit breaker choices
  • For normally-on and normally-off loads
  • For switched loads using ATSD20 transfer switches
  • 100% load compatible with any lighting source, including HID
  • Off line design for high efficiency—up to 98%
  • Microprocessor controlled pulse width modulation (PWM) using IGBT technology
  • User interface module includes multiple LED indicators and audible alarms to provide system status
  • Overload and short-circuit protection
  • Choice of sealed, maintenance-free lead calcium or premium wet-cell nickel-cadmium batteries
  • Automatic, programmable self-diagnostic operation
  • Password-protected user interface prevents operation by unauthorized personnel
  • Optional: E-mail capability
  • Optional: Remote System Status Panel
  • Optional: System Monitoring Terminal
  • Optional: Alternate run time
  • Optional: Short Battery Cabinet
  • Optional: Internal Maintenance Bypass Switch
  • Optional: Battery Charger Upgrades
  • Optional: Cabinet locks
  • Optional: Seismic Floor Kit
  • Optional: Monitoring Program (MP)
  • Optional: Preventive Maintenance Program (PMP)
  • Optional: Additional Training Visit (ATV)
  • Optional: Seismic Qualified (S). Complies with IBC 2009, ASCE 7-10, and CBC-2010 Category D


Ambient Temp. Range (68°F - 86°F) 20°C - 30 °C
Application Conditioned Space
Color Gray
Environmental Conditions Conditioned
Lamp Type
  • LED
  • Incandescent
  • Fluorescent
  • Compact Fluorescent
Light Source
  • LED
  • Incandescent
  • Fluorescent
  • Compact Fluorescent
  • UL
  • UL 924
Material - Housing Steel
Max Ambient Temperature 30 °C
Min Ambient Temperature 20 °C
TypeEmergency and Exit

Electrical Ratings

Voltage Rating
  • 120 V
  • 208 V
  • 240 V
  • 277 V
  • 347 V

Certifications and Compliance

Certified Listed
  • Certified to UL924 Standards
  • NFPA 101 (Life Safety Code)
  • NFPA 70 (National Electrical Code)
  • UL1778 Listed (with alternate runtime option)
Industry Standard(s)
  • NFPA 101
  • NFPA 70
  • Spectron
  • UL 924
LSN Inverter specification sheet
LSN Suggested Specifications
Service Options Catalog Page
Central Lighting Inverter Preventive Maintenance Plan Brochure
Dual-Lite Central Lighting Inverters Overview Brochure
History of Dual-Lite Central Lighting Inverters Brochure
LSN D Series - Seismic Sell Sheet Brochure
Outdoor Path of Egress Solutions Flyer Brochure
Outdoor Path of Egress Solutions Guide Brochure
Why Specifiy Dual-Lite Central Lighting Inverters Brochure
Dual-Lite / Compass Lighting Warranty
LSN External Bypass Switch Instructions
LSN Inverter Internal Bypass Switch Instruction Sheet
LSN Inverter Multiplexer Instruction Sheet
LSN Inverter Remote Status Panel Instruction Sheet
LSN Inverter User Manual
LSN Seismic Mounting Kit Instructions
LSN Sesmic Instruction Manual
LSN Short Haul Modem Instruction Sheet
Sealed Lead Acid SDS C&D
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