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Mean Well LDC-55DA2 Linear LED Driver 55W 500~1600mA Adjustable Output - DALI2
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Mean Well LDC-55DA2 Linear LED Driver 55W 500~1600mA Adjustable Out...
COLD START 30A(twidth=250μs measured at 50% Ipeak) at 230VAC; Per NEMA 410
Key Features
- ✓Constant Power mode output
- ✓Metal housing design
- ✓Full power at 70~100% max current
- ✓Built-in active PFC function
- ✓Flicker-free design
- ✓No load/standby power consumption<0.5W
- ✓Output current level pre-settable
- ✓Function options: 3 in 1 dimming(dim-to-off); DALI interface, push dimming
- ✓Typical lifetime>50000 hours
- ✓SELV and isolated
- ✓Class 2 power supply
- ✓5 years warranty
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BrandMean Well
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SeriesLDC Series
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Power Rating55 Watt
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Output Voltage60 Volt
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Rated Current1.05 Ampere
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Input Voltage180V~295V
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No of Output1
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Dimming ControlDALI,Push Dimming
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Standards MetBIS,CB,CCC,CE,EAC,ENEC,RCM,UL
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Operation ModeConstant Current
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Operating Temperature-40°C~80°C
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Warranty5 Year
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Length12.6 in
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Width1.18 in
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Height0.83 in
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Weight0.56 lb
::specification::
Frequently Asked Questions
Can I use the LDC-55DA2 for higher-current LED downlight modules?
Yes, when the downlight uses a constant current LED engine that operates within the 27-56V range and is suited to this model's 1050mA nominal output. With 55W capacity, it is aimed at higher-current constant current loads rather than low-current constant voltage lighting products.
Is the LDC-55DA2 a good choice for small high-brightness LED arrays?
It can be, provided the array is a constant current load and its total forward voltage stays inside the 27-56V CC range. Because this version is rated at 1050mA nominal output, it fits higher-current LED arrays better than the 500mA LDC-55DA version.
Can this model be used in signage lighting that uses constant current LED modules?
Yes, if the signage module is a constant current design within the 27-56V range and up to 55W. It is not intended for constant voltage signage systems, so it should only be used where the LED module is specified for constant current operation.
How should I size an LED load for the LDC-55DA2?
Use LED modules that require a constant current source and whose combined forward voltage falls within 27-56V. The number of LEDs depends on each LED's forward voltage, so the correct check is total LED forward voltage at the required current, not a preset LED quantity.
Is the LDC-55DA2 suitable for cold or hot operating environments?
This driver is rated for operation from -40°C to +80°C, which supports a wide ambient temperature range. No IP rating is listed in the provided specs, so environmental suitability still depends on the final enclosure or fixture design.
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