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4" Non-IC, Architectural Retrofit Kit Downlight with Interchangeable Reflector Trims - UTD Driver


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Quick Overview

4" Non-IC, architectural retrofit kit downlight with interchangeable reflector trims, 14 & 23 Watts, 950 & 1740 lumens, 2700K, 3000K & 4000K color temperatures, 50,000 hours lifetime.

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The LED-ARFK4 is an Architectural grade, LED Recessed Downlight Retrokit and is available with multiple Trim styles. It is designed for use with existing Lum-Tech 4” Architectural Incandescent, Fluorescent and Metal Halide Housings. It is also compatible with most 4” architectural housings measuring at least 4-7/8” high with an inside diameter between 4-1/2” and 5” (See Housing Compatibility section). Available with a 14W or 23W, high efficacy LED engine and universal, dimmable drivers. The optical diffuser produces high lumen transmission and even illumination. Suitable for Wet Locations.


Model Number Description
LT-LEDT-R44 4" Open Haze Clear Reflector
LT-LEDT-R414 4" Haze Clear Reflector w/ Baffle
LT-LEDT-R441 4" Baffle w/ Regressed Lens
LT-LEDT-R422 4" Haze Clear Reflector w/ Regressed Lens
LT-LEDT-R436 4" Wall Wash w/ Kick-off Plate
LT-LEDT-R440 4" Haze Clear Reflector w/ Frosted Floating Lens


Heavy gauge aluminum reflectors available in various styles and finishes.

Painted, extruded aluminum heat sink designed to facilitate efficient heat dissipation for superior thermal management and reliability.

Designed for use with most existing 4-1/2” - 5” aperture architectural incandescent, fluorescent and metal halide housings. Supplied with flexible metal conduit for connection to existing electrical junction boxes. Existing frame-in kit mounting via friction springs or clips.

Attach driver supply line to existing junction box through one of the knockouts provided in junction box. The existing socket whip and ballast (if any) can be set aside above the ceiling or removed completely. Connect Quick Connector from LED module to driver output connector and lock the two connector housings together.

Universal, 120~277V input, high efficacy drivers with dimming capability by ① a Triac 120V low voltage electronic dimmer switches or ② 0-10V, Triac & ELV dimmer switches.
Drivers feature power factor >.90, THD <20% with integral thermal protection to sense over temperature or electrical issues.
Driver mounts externally to the module to allow future replacement or upgrading if desired.
Optional Lutron Hi-lume A-Series, LED drivers and EcoSystem 5-Series LED drivers are available. Lutron drivers provide flicker-free, smooth, continuous dimming down to 1% for Hi-lume and 5% for EcoSystem. (Contact factory for dimming system requirements).

Emergency battery back-up : Available in mounted to fixture or remote adjacent to luminaire (consult with factory for space requirements).

LED Module: 5 years/50K hours
Product/Driver: 3 years

cETLus Wet Location
California Title 24

Weight 10.0000
Light Source LED
Total Input Watts 14W & 23W
Fixture Size Other
Lumen Output 950 lm & 1740 lm
L70 Expected Life (hours) 50,000
Luminaire Efficacy Rating (LER) 67.9 lm/W & 75.6 lm/W
Color Temperature (CCT) 2700K, 3000K, 3500K 4000K
Color Rendering Index (CRI) 80, 90
Driver Type 120V~277V Triac Dimming (Standard)


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