- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
IP54 2D Bulkheads
D320:STD/3H EM/MS Functions
· Durable IP54 rated case
· Multiple function on EM/MS
· Best replacement for 2D CCFL
· 3H EM at 10% lumen output
· Color : Single color or Tri-color
· Function: See the datasheet
· Microwave sensor: 0% OR 10%
· Emergency: 3hours with 10% Lumen
· Package: Standard pack OR Color Box
· Replaces fluorescent 2D lamp
· Stairs / corridors
· Architectural lighting
|Why choose us?|
Toppo Lighting is one of the leading traditional tube fixture led fluorescent replacement? manufacturers and suppliers in China, which is equipped with a productive factory. Welcome to import the newest traditional tube fixture led fluorescent replacement? at competitive price with us. We can also offer you customized service.
Toppo Lighting company limited is one of the professional manufacturer which specialize in developing, producing and selling for Led Lighting. As a worldwide LED manufacturer, We have various series of LED lighting which include: LED Smart Lights,LED Panel lights, LED batten Lights,Led tube lights, LED Tri-proof lights, LED Linear lights, LED 2D Bulkheads,LED Wall packs,LED down lights, LED Ceiling lights, LED Track Lights etc.
Under the high skills of the R&D team, all of our products have got various of certification, Such as: VDE, TUV, UL/CUL, DLC, Energy Star, FCC, SAA CE, CQC, ROHS, etc.
1.what’s the meaning of “Beam Angle “?
The spread of light from a luminaire. For example: a fitting such as a low bay ,which is closer to the floor,will have a wider beam angle to illuminate a given floor area while a high bay fitting will have a narrower beam.
2.How do we explain “CRI” ?
A measure of the degree of colour shift objects undergo when illuminated by the light source as compared with those same objects when illuminated by a reference source of comparable colour temperature. The reference source has a CRI of 100.
3.What’s colour temperature ?
The description used to describe the effect of heating an object until it grows incandescently. The emitted radiation, and apparent colour, changes proportional to the temperature; easily envisioned radiation, and apparent colour, changes proportional to the temperature; easily envisioned ,when considering hot meal in a forge that glows red, then orange, and then white as the temperature increases.
4.Do you know “dali “?
Digital addressable lighting interface (DALI) is a trademark for network-based systems that control lighting in building automation.
5.What’s the fire rating categories ?
VO-Burning stops within 10 seconds on vertical specimen; drips of particles allowed as long as they are not inflamed.
HB-Slow burning on a horizonal specimen’s burning rate <76mm /min thickness <3mm or burning stops before 100mm.
TP(b)-Slow burning rate <50mm / min for thickness <3mm.
TP(a)-Self extinguishes and flaming and afterglow should not exceed 5 seconds once source the source of flame is removed.
6.How to explain “Flux/luminous Flux “?
Luminous flux is the measure of the perceived power of light produced by the LED, adjusting to reflect the varying sensitivity of the human eye to different wavelengths of light.
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