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LITHONIA LIGHTING BLT4R 20L ADP EZ1 LP840 LED Flat Panel Retrofit Kit - LED Flat Panel Retrofit Kits
LITHONIA LIGHTINGLED Flat Panel Retrofit Kits

LITHONIA LIGHTING BLT4R 20L ADP EZ1 LP840 LED Flat Panel Retrofit Kit

The LITHONIA LIGHTING LED Troffer Retrofit Kit (SKU 3G-OTH-391502) is a 1 ft Lg, 4 ft Wd LED flat panel retrofit kit designed to replace (2) Lamp T8 fixtures. It operates at 120 to 277V AC, delivers 1,918 lm at 4000K…

SKU 3G-OTH-391502

Also listed as: BLT4R20LADPEZ1LP840 · BLT4R-20L-ADP-EZ1-LP840

Brand
LITHONIA LIGHTING
Item
BLT4R 20L ADP EZ1 LP840 LED Flat Panel Retrofit Kit
Category
LED Flat Panel Retrofit Kits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LITHONIA LIGHTING
Manufacturer Part Number
BLT4R 20L ADP EZ1 LP840
Type
1,918 lm, 4000K, 15 W
Wd
4 ft
AC
120 to 277V
Voltage
120 to 277V AC
Dimmable
Yes
Color Temperature
4000K
LED Replacement For
(2) Lamp T8

Technical Documents

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LITHONIA LIGHTING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITHONIA LIGHTING LED Troffer Retrofit Kit (SKU 3G-OTH-391502) is a 1 ft Lg, 4 ft Wd LED flat panel retrofit kit designed to replace (2) Lamp T8 fixtures. It operates at 120 to 277V AC, delivers 1,918 lm at 4000K color temperature, and consumes 15 W. This dimmable unit is manufactured by LITHONIA LIGHTING under part number BLT4R 20L ADP EZ1 LP840.

Frequently Asked Questions

What is the LITHONIA LIGHTING LED Troffer Retrofit Kit used for?

This retrofit kit is used to upgrade existing (2) Lamp T8 fluorescent troffers to energy-efficient LED lighting. It is ideal for commercial and industrial spaces such as offices, warehouses, and retail environments where a 1 ft by 4 ft form factor and 4000K color temperature are required.

What are the specifications of the LITHONIA LIGHTING BLT4R 20L ADP EZ1 LP840?

The LITHONIA LIGHTING BLT4R 20L ADP EZ1 LP840 is a dimmable LED troffer retrofit kit. It operates at 120 to 277V AC, delivers 1,918 lm at 4000K, consumes 15 W, and replaces (2) Lamp T8 fixtures. Dimensions are 1 ft length by 4 ft width.

Where to buy LITHONIA LIGHTING LED Troffer Retrofit Kits worldwide?

3G Electric supplies LITHONIA LIGHTING LED Troffer Retrofit Kits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the BLT4R 20L ADP EZ1 LP840 or similar models for your project.

How to install a LITHONIA LIGHTING LED Troffer Retrofit Kit?

Installation involves removing the existing T8 lamps and ballast, then mounting the retrofit kit into the troffer housing. Ensure power is off at the breaker. Connect the kit's wiring to the line voltage (120 to 277V AC) per the manufacturer's instructions. The dimmable feature requires a compatible dimmer switch.

Used in

Common applications for LITHONIA LIGHTING
Warehouse lighting — Lithonia Lighting REBL round high bays for 20-40 ft mounting heights
Office ceiling grids — Lithonia Lighting 2FSL2 recessed troffers for uniform ambient light
Emergency egress — Lithonia Lighting LQC exit signs with battery backup in corridors
Industrial high-bay retrofit — Lithonia Lighting IBG linear high bays replacing 750W MH fixtures
Occupancy-based control — Lithonia Lighting SPODMR wireless sensors for small motion zones
Dimmable LED circuits — Lithonia Lighting SPODMRA 0-10V dimmers for multi-voltage systems

LITHONIA LIGHTING Products

3G Electric supplies LITHONIA LIGHTING led flat panel retrofit kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This LED center-basket troffer retrofit kit is designed for upgrading existing 2-lamp T8 fluorescent fixtures to LED. It operates at 120-277V AC, delivering 4916 lumens at 4000K with a power consumption of 39 watts. The kit includes an EZ1 adapter for installation and is suitable for commercial and industrial applications such as offices, warehouses, and retail spaces
LITHONIA LIGHTING LED
This LED center-basket troffer retrofit kit is designed for upgrading existing 2-lamp T8 fluorescent fixtures to LED. It operates at 120-277V AC, delivering 4916 lumens at 4000K with a power consumption of 39 watts. The kit includes an EZ1 adapter for installation and is suitable for commercial and industrial applications such as offices, warehouses, and retail spaces
LED center-basket troffer retrofit kit for upgrading existing fluorescent fixtures. Operates on 120-277V AC, delivers 6072 lumens at 4000K, consumes 48 watts. Accommodates two T8 lamps. Suitable for commercial and industrial retrofit applications
LITHONIA LIGHTING LED
LED center-basket troffer retrofit kit for upgrading existing fluorescent fixtures. Operates on 120-277V AC, delivers 6072 lumens at 4000K, consumes 48 watts. Accommodates two T8 lamps. Suitable for commercial and industrial retrofit applications
LED retrofit kit for upgrading existing 4 ft troffer housings. Delivers 4839 lumens at 3500K color temperature, consumes 39 W, and operates on 120-277V AC. Suitable for commercial and industrial spaces such as offices, schools, and retail environments
LITHONIA LIGHTING LED
LED retrofit kit for upgrading existing 4 ft troffer housings. Delivers 4839 lumens at 3500K color temperature, consumes 39 W, and operates on 120-277V AC. Suitable for commercial and industrial spaces such as offices, schools, and retail environments
This LED center-basket troffer retrofit kit is designed to upgrade existing fluorescent troffer fixtures to LED lighting. It delivers 4073 lumens at 3500K color temperature, consumes 32 watts, and operates on 120 to 277V AC. The kit accommodates two T8 lamps and is suitable for commercial and industrial applications such as offices and warehouses
LITHONIA LIGHTING LED
This LED center-basket troffer retrofit kit is designed to upgrade existing fluorescent troffer fixtures to LED lighting. It delivers 4073 lumens at 3500K color temperature, consumes 32 watts, and operates on 120 to 277V AC. The kit accommodates two T8 lamps and is suitable for commercial and industrial applications such as offices and warehouses
This LED center-basket troffer retrofit kit is designed to upgrade existing 2 ft by 4 ft fluorescent troffer fixtures. It delivers 4,989 lumens at 4000K color temperature, consumes 38 watts, and operates on 120 to 277V AC. Suitable for commercial and industrial spaces with grid ceilings, such as offices, warehouses, and retail environments
LITHONIA LIGHTING LED
This LED center-basket troffer retrofit kit is designed to upgrade existing 2 ft by 4 ft fluorescent troffer fixtures. It delivers 4,989 lumens at 4000K color temperature, consumes 38 watts, and operates on 120 to 277V AC. Suitable for commercial and industrial spaces with grid ceilings, such as offices, warehouses, and retail environments
This LED center-basket troffer retrofit kit is designed to upgrade existing fluorescent troffer fixtures. It operates on 120 to 277V AC, delivering 2889 lumens at 3500K with a power consumption of 23 W. The kit includes two T8 lamps and is suitable for commercial and industrial spaces such as offices, warehouses, and retail environments
LITHONIA LIGHTING LED
This LED center-basket troffer retrofit kit is designed to upgrade existing fluorescent troffer fixtures. It operates on 120 to 277V AC, delivering 2889 lumens at 3500K with a power consumption of 23 W. The kit includes two T8 lamps and is suitable for commercial and industrial spaces such as offices, warehouses, and retail environments

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This LED flat panel retrofit kit replaces existing (2) lamp T8 troffer fixtures. It delivers 2935 lumens at 4000K color temperature, consumes 23 watts, and operates on 120 to 277V AC. The unit is dimmable and suitable for commercial lighting applications such as offices, warehouses, and retail spaces
LITHONIA LIGHTING
This LED flat panel retrofit kit replaces existing (2) lamp T8 troffer fixtures. It delivers 2935 lumens at 4000K color temperature, consumes 23 watts, and operates on 120 to 277V AC. The unit is dimmable and suitable for commercial lighting applications such as offices, warehouses, and retail spaces