DONGGUAN, China — Recessed LED downlight selection involves more than wattage and appearance. For lighting brands, distributors and project teams, the relevant questions include which parts of a fitting carry an ingress-protection rating, which ceiling construction a fire report covers, and whether the selected driver works with the intended controls. A-ONE LED’s published product information illustrates why these checks need to be made separately.

Distinguish room-side protection from connection protection

A-ONE LED specifies its DL93-1T adjustable downlight as IP65 below the ceiling and IP20 above it, including the external driver. The room-side rating should therefore not be extended to components in the ceiling void.

By comparison, the DL190G is specified with whole-luminaire IP65 protection. Its electrical connection still requires separate protection appropriate to the installation environment. Neither description should be interpreted as permission to expose every associated component to the same conditions.

DL190G product information: https://www.aoneled.com/full-ip65-downlight-led-dl190g.html

Match fire documentation to the actual installation

A fire-resistance duration is not a universal property that can be transferred between ceiling constructions. Specification work should establish whether the applicable report covers the ordered fitting, floor or ceiling assembly and installation arrangement. Fire resistance and permission to cover a luminaire with thermal insulation are separate checks.

The DL93-1T and DL190G product pages identify base-model documents as reference sets and caution against assuming that each suffix variant has been independently tested. Buyers should obtain the applicable original documents and establish their relevance before accepting a fire-rating claim for a project. This overview does not independently verify those reports or establish regulatory compliance.

Check the driver and dimmer as a combination

Both product pages specify phase-cut dimming, with leading-edge and trailing-edge operation. Compatibility still depends on the selected dimmer and driver configuration. The DL190G guidance specifically calls for checking the dimmer model, minimum load and number of connected fittings; it does not specify universal compatibility or a minimum dimming percentage.

The DL93-1T offers four selectable white-light colour temperatures: 2700K, 3000K, 4000K and 6000K. Its optional dim-to-warm configuration is separately ordered. Selecting a fixed colour temperature should not be confused with changing colour temperature as brightness decreases.

DL93-1T product information: https://www.aoneled.com/recessed-downlight-adjustable-ip65-dl93-1t.html

Review dimensions and lighting performance together

The DL93-1T page lists an 80–95mm ceiling cut-out and a minimum complete installation space of 60mm. Body height alone is not a complete installation specification: the driver, connections and required clearances also need consideration.

Beam angle and glare performance should likewise be assessed for the intended layout. A quoted Unified Glare Rating (UGR) should not be presented as a guaranteed result for every room, viewing position or luminaire arrangement. Configuration-specific photometric information and an appropriate lighting assessment are preferable to relying on a single catalogue label.

Final selection and installation should follow the applicable model-specific instructions and local requirements, with qualified professionals assessing the project conditions.

About A-ONE LED

A-ONE LED, operated by A ONE LED LIGHTING CO LTD, is an OEM/ODM LED lighting manufacturer based in Dongguan, China. Its product range includes downlights, spotlights, light-source modules, ceiling lights and track lights. The company serves global business partners, with Europe as its primary market.

Website: https://www.aoneled.com/

Media contact
Luke Huang
A-ONE LED
[email protected]