Lutron LED Ballast Retrofit Kit T8 4000K, Case of 24 (3LD4T8-1M40-24)

Product Overview

The Lutron 3LD4T8-1M40-24 is an LED ballast retrofit kit for a single 4 ft T8 lamp at 4000K. It replaces the fluorescent ballast to provide LED driver functionality while reusing the existing fixture housing and lamp sockets where applicable.

This listing is for a case quantity of 24 identical kits. Each kit uses 3‑wire wiring intended to pair with compatible Lutron 3‑wire dimmers and controls.

Key Features

• For 4 ft T8, single‑lamp (1) fluorescent fixture retrofits
• 3‑wire LED driver that pairs with compatible Lutron 3‑wire dimmers/controls
• 4000K color temperature
• Dimmable to 1% with a compatible Lutron control
• Reuses existing fixture housing and lamp sockets when compatible

What this kit does

Direct answer: the 3LD4T8-1M40-24 replaces the fluorescent ballast in a single‑lamp 4 ft T8 fixture with a 3‑wire LED driver to enable LED operation while reusing the fixture housing and lamp sockets when those are compatible.

• Single‑lamp (1) configuration for 4 ft T8 lamps
• Provides LED driver functionality in place of the fluorescent ballast

Suitable applications

Direct answer: intended for retrofitting existing 4 ft T8 fluorescent fixtures in commercial and institutional settings where a 4000K LED output and dimming capability are desired.

• Typical uses include offices, schools, retail, and warehouses
• Appropriate for projects targeting energy and maintenance reduction

Controls and dimming compatibility

Direct answer: the kit uses a 3‑wire driver that pairs with compatible Lutron 3‑wire dimmers and controls and supports dimming to 1% when used with those controls.

• 3‑wire wiring intended for use with compatible Lutron 3‑wire dimmers/controls
• Dimming: down to 1% with a compatible Lutron control

Installation and compatibility notes

Direct answer: confirm the kit matches the existing lamp type, length, and lamp count before installation and follow applicable electrical codes and the manufacturer's installation instructions.

• Designed for fixtures that use a single 4 ft T8 lamp
• Reuses existing fixture housing and lamp sockets when those are compatible
• Verify socket type and fixture condition prior to ordering

Key specifications

Direct answer: the following technical attributes describe SKU 3LD4T8-1M40-24.

• Brand: Lutron
• Model / SKU: 3LD4T8-1M40-24
• Product type: Ballast & LED Driver (LED retrofit kit)
• Wiring: 3‑Wire (Ballast / LED‑Driver)
• Lamp type: T8
• Lamp length: 4 ft
• Lamp count: 1
• Color temperature: 4000K
• Dimming range: 1% (with compatible Lutron control)
• UPC: 784276306867
• Package quantity: Case of 24

Before You Order

Confirm the existing fixture uses a single 4 ft T8 lamp and that you have the required quantity before ordering.

• Match kit to existing lamp type, length, and lamp count
• Ensure compatibility with intended Lutron 3‑wire dimmer/control
• Follow applicable electrical codes and the manufacturer's installation instructions

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Lutron LED Ballast Retrofit Kit T8 4000K, Case of 24 (3LD4T8-1M40-24). For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.