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Explosion-Proof Lighting Smart Energy-Saving Upgraded｜Flood Light with Sensor for Hazardous Areas


THT-EX presents the ideal combination for hazardous-area lighting:


L1733NS-L1733N Explosion-Proof Flood Light + S1912 Smart Sensor, engineered for petrochemical plants, storage tanks, hydrogen facilities, drilling platforms, and Zones 2, 21, 22.


✨ S1912 Sensor Highlights

Daylight Sensor: Detects approx. 2–2,000 lux for automatic dimming

Occupancy Sensor: Lights up with motion, dims when unoccupied

Approx. 80° detection angle

Saves 40–80% energy by reducing unnecessary lighting


✨ Lens

Lenses enable precise beam angles (narrow or medium beam)

Higher illuminance with concentrated light

Less glare and spill with controlled optics

Perfect for high-mount and long-distance applications


✨ Without Lens

Soft and uniform light for wide-area illumination

Ultra-wide beam (110–140°)

Ideal for low to mid-height spaces and large-area flood lighting


✨ L1733NS Flood Light Features

High brightness, great heat dissipation, outdoor-ready

Certified for Zone 2, 21, 22/UL844 - Class I, Division 2 (Groups A, B, C and D) /UL1598

Enhanced energy efficiency when combined with the S1912 sensor


🔥 Combined Benefits

Smart lighting = Safety + Efficiency + Energy Saving

Customizable optics: focused beam or wide flood coverage

Lower operating cost + extended product lifespan

Perfect for petrochemical plants, tank areas, hydrogen facilities, drilling platforms, pipelines, and loading zones



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