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THT-EX L1920 UL-Listed. Class I Div 2. Built for the harshest hazardous locations.

May 20
1 min read
Hazardous Location Signal Tower Light

Most tower lights look the same.

Same colors. Same mounting thread.

Some even share the same product photos.


Here's the difference nobody talks about:

Where is it installed?

If the answer is anywhere near gas, vapor, dust, or pressure —

then the light itself can become an ignition source.


That's not a worst-case scenario. That's physics.


The THT-EX L1920 is built for exactly that reality.

UL-Listed (UL 508 / 50E / 50 / 121201)

Class I Div 2, Groups A, B, C, D

Class II Div 2, Groups F, G | Class III

IP67 / NEMA 6

IECEx · ATEX · TS · CML — five certifications, one SKU


Five colors, configurable stack sequence.

Optional 80 dB buzzer and junction box — no secondary wiring needed.

12–220V AC / 12–24V DC. 50/60 Hz. Ready for any panel.

Designed and manufactured in Taiwan.



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