Description
The Lutron EC3DT4MWKU1S is a digital dimming ballast designed for 26W and 32W compact fluorescent lamps (CFLs). It enables flicker-free dimming from 100% to 5% and supports single T4 quad-pin or triple-tube configurations. Ideal for energy-efficient commercial lighting systems, it provides quiet operation and broad voltage compatibility.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Lutron |
| Category |
|
| Part Number |
EC3DT4MWKU1S |
| Subcategory |
Electronic Dimming Ballasts |
| Voltage Rating |
120/220/240/277 VAC |
| Frequency Rating |
50/60 Hz |
| Lamp Type |
T4 Quad, Triple Tube CFL |
| Lamp Wattage |
26W or 32W |
| Start Type |
Programmed / Rapid Start |
| Dimming Range |
100% to 5% |
| Power Factor |
0.95 minimum |
| Ballast Factor |
0.95 |
| THD |
<20% |
| Mounting Type |
Stud, bottom exit |
| Temperature Range |
Up to 167°F (75°C) |
| Certifications |
UL, CSA, FCC Part 18, ANSI C82.11, ISO 9001 |
| Enclosure Type |
NEMA 1, Type 1 Outdoor (damp rated) |
| Dimensions |
4.9 in L x 3 in W x 1 in H |
| Lamp Base Type |
4-pin |
| Number of Lamps |
1 |
| Inrush Current |
3A @ 277V / 7A @ 120V |
| Sound Rating |
Inaudible in 27 dBA ambient |
| Weight |
1 lb (approx. 0.45 kg) |
Information About EC3DT4MWKU1S
The EC3DT4MWKU1S is part of Lutron’s EcoSystem® Type K digital dimming ballast series, built for high-performance CFL lighting control. It operates on universal voltage (120/220/240/277 VAC) and supports a single 4-pin compact fluorescent lamp. Designed for bottom exit stud mounting, the unit features programmed/rapid start technology and is compatible with EcoSystem Digital Bus, GRAFIK Eye QS, and Quantum systems. Its 0.95 ballast factor ensures consistent light output with reduced harmonic distortion.
Key Features:
- Universal Voltage Compatibility: Operates with 120, 220, 240, or 277 VAC at 50/60 Hz.
- Dimming Range: Provides continuous flicker-free dimming from 100% to 5%.
- Control System Integration: Fully compatible with EcoSystem Digital Bus, GRAFIK Eye QS, and Quantum.
- Start Type: Programmed rapid start preserves lamp life and enables instant-on to any dimmed level.
- Low Harmonics: Maintains total harmonic distortion below 20% for cleaner power usage.
- Quiet Operation: Inaudible in 27 dBA ambient, suitable for noise-sensitive environments.
- Thermal Protection: Class P rated with max case temperature of 167°F (75°C).
- Compliance & Safety: UL Listed, CSA certified, FCC compliant, and meets ANSI/ESD standards.
The EC3DT4MWKU1S delivers the reliability and precision required for efficient and flexible fluorescent dimming applications.
