Over 15 years experience of providing support of MEAN WELL Power Supplies
LTECH SE-20-300-650-G1T 12W 350mA ~ 650mA CC Triac LED Driver
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Description
Description
Intelligent LED Driver
| The housing is made from V0 flame retardant PC materials from SAMSUNG/COVESTRO. |
| Small size and light weight. The clamshell design and screwless type for strain-relief. |
| Support Leading edge(Triac), Trailing edge(ELV). |
| With soft-on and fade-in dimming function, enhancing your visualcomfort. |
| T-PWM™ dimming technology allows continuous and flicker-freeimages under high-speed photography. |
| Dimming from 0~100%, down to 0.01%. |
| The whole dimming process is flicker-free with high frequency exemption level. |
| Multiple current levels and wide voltage range. Suitable for differentpower of LEDs. |
| Class 2 LED driver, Safety Extra Low Voltage (SELV). |
| Innovative thermal management technology intelligently protects thelife of the LED driver. |
| Overheat, overload, short circuit protection and automatic recovery. |
| Suitable for indoor light applications of I/II/III type. |
| Up to 50000-hour lifetime. |
| 5-year warranty (Rubycon capacitor) |
Specifications
Specifications
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BrandLtech
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SeriesLtech Triac Series
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Power Rating20 Watt
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Output Voltage55 Volt
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Rated Current0.3 Ampere
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Input Voltage220V~240V
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Standards MetBIS,CE,ROHS
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Operation ModeConstant Current
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Operating Temperature-20°C~45°C
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Warranty5 Year
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Length12.7 cm
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Width4 cm
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Height2.3 cm
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Weight0.11 kg
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Frequently Asked Questions
What type of LED application is the LTECH SE-20-300-650-G1T designed for?
This model is a constant-current Triac LED driver intended for LED fixtures that need phase-cut dimming rather than a fixed-voltage power supply. It is best suited to applications where the fixture specification calls for a constant-current driver in the 350mA to 650mA range. Buyers should match it to the LED load's required current range and voltage requirement.
Is the SE-20-300-650-G1T compatible with both leading-edge and trailing-edge dimming systems?
Yes. The product description states support for both leading-edge (Triac) and trailing-edge (ELV) dimming control. That makes it a fit for projects where the dimming method is AC phase-cut rather than 0-10V or DALI.
What output range should I check before choosing this LED driver?
This model is listed with a maximum output voltage of 55V and a constant-current operating range shown in the product name as 350mA to 650mA. It is intended for LED loads that are specified for constant-current operation within that range. It should not be treated as a general-purpose fixed-voltage LED power supply.
How does this model compare with a non-dimmable constant-current LED driver?
The main difference is dimming capability. The SE-20-300-650-G1T is built for AC phase-cut dimming and also includes soft-on, fade-in, and T-PWM dimming features aimed at smoother low-level dimming and reduced flicker in high-speed photography conditions. A non-dimmable driver would not provide those control features.
What operating environment is this driver rated for?
The specified operating temperature range is -20°C to 45°C. It also carries a 5-year warranty and uses a V0 flame-retardant PC housing. Those details make it more suitable for commercial buyers who need a compact driver with defined environmental and durability parameters.
Why would a buyer choose this LTECH model for dimming-sensitive LED projects?
This driver stands out for phase-cut dimming support plus features such as soft-on, fade-in, and T-PWM dimming technology. The product description specifically highlights continuous dimming from 0 to 100%, down to 0.01%, and flicker-free performance under high-speed photography conditions. That makes it relevant for projects where dimming quality matters as much as basic power delivery.
