Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well ELG-100-C350B Power Supply 100W 350mA - Dimmable
The ELG-100 is a 100W Mean Well power converter (input range: 100~305VAC).
Key Features
- ✓ Input voltage range: 100~305VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Protections: Short circuit / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: IEC62386-101, 102, 207 for DA-Type only
- ✓ 3 years warranty
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BrandMean Well
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SeriesELG-C Series
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Power Rating100.1 Watt
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Output Voltage297 Volt
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Rated Current0.35 Ampere
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Input Voltage100V~305V
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No of Output1
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Dimming Control0-10V,10V PWM,Resistance
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Standards MetBSI,CB,CCC,CE,EAC,ENEC,RCM,UL
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Operation ModeConstant Current
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Operating Temperature-40°C~90°C
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Warranty5 Year
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Length7.83 in
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Width2.48 in
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Height1.4 in
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Weight1.87 lb
::specification::
Frequently Asked Questions
Can I use the ELG-100-C350B to drive LED modules in outdoor signage applications?
Yes. The ELG-100-C350B carries an IP67 waterproof rating, so it can withstand rain and dust ingress in exposed outdoor signage installations. It delivers a constant 350mA across a CC voltage range of 143–286V, making it suitable for series strings of high-voltage LED modules used in channel letters and illuminated signs.
Is the ELG-100-C350B suitable for powering LED downlights in a recessed ceiling fixture?
Yes. The driver operates over a wide input range of 100–305VAC and maintains a constant 350mA output, which is appropriate for mid-power LED downlight engines designed for that current. Its metal case and IP67 rating also support installation inside tight fixture enclosures where heat and moisture can accumulate.
Can I use this driver for an LED array installed in a cold-storage or refrigerated environment?
Yes. The ELG-100-C350B is rated for operation down to -40°C, making it compatible with cold-storage rooms, freezer corridors, and similar low-temperature environments. The IP67 enclosure also protects against condensation.
How many LEDs can the ELG-100-C350B drive in series?
The driver supports a CC voltage range of 143–286V. The number of LEDs that can be connected in series depends on the forward voltage of each individual LED — divide the usable voltage range by the forward voltage of your LED to determine the compatible string length. The driver will regulate at a constant 350mA regardless of the exact string voltage within that range.
Does the ELG-100-C350B support dimming?
Yes. The B-suffix variant indicates built-in dimming capability. It supports three-in-one dimming (1–10V, PWM signal, and resistance), allowing integration with standard lighting control systems without additional dimming hardware.
What is the difference between constant current ELG-100-C350B and the constant voltage variants in the ELG-100 series?
The ELG-100-C350B is a constant current driver that outputs a fixed 350mA and allows the voltage to vary between 143–286V depending on the LED load. The constant voltage siblings (e.g., ELG-100-24B at 24V/4A, ELG-100-48B at 48V/2A) maintain a fixed voltage and vary current. Constant current drivers are preferred for direct LED string driving where precise current control is needed to prevent overcurrent.
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