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Mean Well LDC-55B Linear LED Driver 55W 500~1600mA Adjustable Output - Dimmable
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Mean Well LDC-55B Linear LED Driver 55W 500~1600mA Adjustable Outpu...
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 Control0-10V,10V PWM,Resistance
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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 the LDC-55B be used for dimmable higher-power LED downlights?
Yes, if the fixture is built for constant current operation at 500mA and the LED load is within the 27-56V constant current range. This is a 55W constant current driver, so it is meant for LED loads that need regulated current instead of constant voltage input.
Is the LDC-55B suitable for dimmable signage modules?
It can be suitable for signage modules designed as a constant current load at 500mA within 27-56V. It should not be selected for signage products that expect a constant voltage source, because this model regulates output current.
Can I use the LDC-55B on a small LED array where dimming is needed?
Yes, if the array is specified for 500mA constant current drive and its combined forward voltage stays within the 27-56V CC range. The 55W rating gives more output capacity than the 35W family members while keeping the same voltage window.
How do I check LED compatibility with the LDC-55B?
The LED load needs to be a constant current design rated for 500mA, with a total forward voltage inside the 27-56V range. The number of LEDs depends on the forward voltage of each LED, so compatibility should be evaluated from the full LED load voltage rather than a fixed LED count.
What operating conditions is the LDC-55B rated for?
The listed operating temperature range is -40°C to +80°C, which is broader on the low end than the 35W models. No IP rating is shown in the provided specs, so wet-location or exposed-environment use should be evaluated at the fixture or enclosure level.
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