Tufflite DTHL

Tufflite “DTHL” Industrial NEMA emergency lighting units are designed for use in hostile indoor applications.

The rugged 16 gauge gasketed steel enclosure meets the requirements of NEMA 12 providing protection for the enclosed equipment against dust, dirt, fibers and dripping water.



  • Rugged 16 gauge steel housing with full welded corners, finished in durable grey powder coat
  • Fully gasketed to meet the requirements of NEMA 12 applications
  • Piano hinged front access door for ease of maintenance access with stainless steel latch hardware
  • External 4 hole mounting provision provides ease of installation with minimal cabinet intrusion
  • Two fully adjustable top mounted LED lampheads in black corrosion resistant die cast aluminum housings
  • Clear acrylic impact resistant lens protects led’s, resists yellowing

  • Choice of maintenance free sealed Lead Calcium or Nickel Cadmium batteries
  • Premium, fully automatic current limited “Pulse Switching” charger provides ideal charge conditions for optimum battery performance and life
  • Short Circuit battery protection
  • Field selectable 120 or 277 VAC input
  • Sealed external Momentary test switch and dual diagnostic LED indicator displays AC and Hi-Charge status
  • Brownout sensing assures emergency operation during periods of low line voltage
  • Line-latch prevents unnecessary discharge of battery during installation, loads will not illuminate until after application of utility power
  • Low voltage cut-off prevents battery damage and ensures positive charge acceptance following an extended discharge
  • Self-Test / Self-Diagnostic monitoring available

  • 16 LED’s per lamphead provide 2700 Lumens each
  • 6500K color temperature
  • Parallel wired LED’s for reliability
  • Lampheads are 12-24VDC 27 Watts each

  • Listed to UL 924, meets NFPA 101 Life Safety Code, NFPA 70-NEC and OSHA requirements

  • 3-year limited warranty