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Ltech MT-300-450-D2D1 18.9W 9-42VDC CC DALI-2 LED Driver 0.3-0.45A
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MT-300-450-D2D1 is the 9-42Vdc output model of this series.
DALI Constant Current Driver Special for magnetic & linear lamp
Features
- No input polarity.
- DC to DCconstant current output.
- DALI 2.0 protocol.
- Ultra-small size , suitable for STUCCHI standard housings.
- Magnetic installation is quiet without high-frequency sound.
- Smooth dimming curves without kicker.
- Short circuit, overload and anti-reverse protection.
Specifications
OUTPUT
- Output Voltage
- 9-42Vdc
- Output Current Range
- 300-450mA
- Output Power
- 2.7W-18.9W
- Current Accuracy
- +15mA/-25mA
- Dimming Range
- 0-100%，down to 0.1%
- Channel
- 2
INPUT
- Dimming Interface
- DALI-2 DT8
- Input Voltage
- 48Vdc±5% (No polarity)
- Input Current
- <0.57A
- Efficiency(Typ)
- ≥87%
- Standby Power
- ≤0.5W
ENVIRONMENT
- Working Temperature
- ta: -30~55°C, tc: 87°C
- Working Humidity
- 20~95%RH, non-condensing
- Storage Temperature
- -40~80°C, 10~95%RH
PROTECTION
- Overload Protection
- The load voltage is out of range, the current drops until the power is turned on again.
- Short Circuit Protection
- Close output and automatically recover once the fault is removed.
- No-load Protection
- The product is not damaged.
- Hot Plug
- Support electric plug.
- Input Anti -reverse Protection
- No input polarity, able to output normally.
OTHERS
- Dimensions
- 125×14×9.5mm（L×W×H）
- Weight(G.W.)
- 12.5g±2g
- Carton Size
- 370×290×190mm (L×W×H), 240pcs/ctn, 4.4kg±5%
- Warranty periods
- 5 years
Certifications & ratings
- Marked features
- DIM/CT
- Certification marks
- CE, RoHS
Technical drawings
Downloads
Datasheet1
FAQ
What is this LED driver used for?
It is a constant current LED driver designed for DALI-2 DT8 dimmable lighting systems, supporting two channels.
What are the input and output specifications?
It accepts a 48Vdc ±5% input (no polarity required) and provides a constant current output of 300-450mA at 9-42Vdc, with a maximum power of 18.9W.
How does the dimming work?
It supports DALI-2 DT8 digital dimming with a range of 0-100%, capable of dimming down to 0.1%.
What are the physical dimensions and mounting details?
The unit measures 125×14×9.5mm (L×W×H) and weighs approximately 12.5g. It supports hot-plug connections.
What is the operating temperature range?
The ambient operating temperature (ta) is -30°C to 55°C, with a case temperature (tc) limit of 87°C.
What protection features are included?
It includes overload, short circuit, and no-load protection. The short circuit protection automatically recovers once the fault is removed.
Is this product certified?
Yes, it carries CE and RoHS certification marks.
Payment & Security
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