Description
LUTRON Hi-lume 3D Dimming Ballast, 120V/240V/277V, Two F21T5 3 ft. Linear Tubes, 100% to 1% Dimming, Programmed Start Ballast, Custom Ballast factor of 0.9
Discontinued by Manufacturer. Retrofit to Lutron C-FLEX LED Lamp + Driver:
Step 1: Check wiring to identify the control type
Step 2: Select appropriate LED replacement to purchase – Click Below
| EcoSystem | 3-Wire |
For help retrofitting other Lutron fluorescent ballasts and lamps to LED, here is a cross reference tool provided by Lutron: Click Here to Download Lutron Ballast Cross Reference Tool
Lutron F21T5 Linear Dimming Ballast
2 lamp
100%-1% dimming
0.9 ballast factor
21W (33.4 in. long T5)
120/240/277V
Spec Sheets
Lutron H3DT521CU2C90 Data Sheet






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