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Mean Well LDC-55DA Linear LED Driver 55W 500~1600mA Adjustable Output - DALI
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Mean Well LDC-55DA Linear LED Driver 55W 500~1600mA Adjustable Outp...
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 Current0.5 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-55DA to drive LED downlights that need a constant current driver?
Yes, if the downlight is designed for constant current operation and its LED load falls within the 27-56V constant current output range. This model is a 55W constant current driver with a nominal 500mA output, so it is intended for LED engines that require current regulation rather than constant voltage.
Is the LDC-55DA suitable for slim linear fixtures or narrow LED light boxes?
It can be a good fit where a constant current LED array is used and the load stays within 27-56V at up to 55W. Its 320.0 × 30.0 × 21.0 mm housing and 30mm width make it suited to narrow fixture spaces where a linear driver format is preferred.
Can this driver power signage modules or small LED arrays?
It can power signage modules or small LED arrays only when they are constant current assemblies that operate within the 27-56V CC range. It is not a constant voltage driver, so it should not be used as a substitute for 12V or 24V constant voltage signage power supplies.
How do I know if my LED load is compatible with the LDC-55DA?
Match the LED module to a constant current driver with a 27-56V output range and 500mA nominal output. The number of LEDs depends on the forward voltage of each LED in the array, so compatibility should be checked by total forward voltage rather than by a fixed LED count.
How does the LDC-55DA compare with other Mean Well LDC series linear drivers?
Within this family, LDC-35, LDC-35B, and LDC-35DA are 35W models at 300mA with a 27-56V CC range, and LDC-35DA2 is 35W at 700mA with the same 27-56V range. LDC-55, LDC-55B, and LDC-55DA are 55W models at 500mA, while LDC-55DA2 is 55W at 1050mA; LDC-80, LDC-80B, and LDC-80DA are 80W models at 700mA, and LDC-80DA2 is 80W at 1400mA, all with the same 27-56V constant current range.
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