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Mean Well ELG-240-C2100A Power Supply 240W 2100mA - Adjustable
Description
Description
Features
| 100~305VAC wide input range |
| Built-in active PFC |
| Protections: Short circuit / Over voltage/Over temperature |
| No load power consumption <0.5W |
| High efficiency up to 93% |
| Suitable for LED lighting and street lighting applications |
| Cooling by free air convection |
| 100% full load burn-in test |
| 5 years warranty |
General Specification
| AC input voltage range | 100~305VAC;142~431VDC |
| AC inrush current | Cold start, 75 at 230VAC |
| DC adjustment range | ±10% rated output voltage |
| Over voltage protection | 110%~140% rated output voltage |
| Setup, rise, hold up time | 500ms |
| Withstand voltage | I/P-O/P: 3.75kVAC, I/P-FG: 2kVAC, O/P-FG: 1.5kVAC |
| Working temperature | -40~+80°C (refer to output derating curve) |
| Safety standards | UL8750 approved |
| EMC standards | EN55015, EN61000-3-2 class C,EN61000-3-3, EN61000-4-2,3,4,5,6,8,11, GB17743,GB17625.1 |
| Dimension (LxWxH) | 244x71x37.5 |
| Packing | 12pcs / 15.2kg |
Specifications
Specifications
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BrandMean Well
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SeriesELG-C Series
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Power Rating241.5 Watt
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Output Voltage120 Volt
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Rated Current2.1 Ampere
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Input Voltage100V~305V
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No of Output1
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Dimming ControlBuilt-in Potentiometer
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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~85°C
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Warranty5 Year
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Length9.61 in
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Width2.8 in
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Height1.48 in
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Weight2.69 lb
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the ELG-240-C2100A to drive LED downlights in a commercial lighting retrofit?
Yes. The ELG-240-C2100A delivers 2100mA constant current across a 57–115V output range, making it well-suited for strings of LED downlight modules with forward voltages that fall within that range. At 241.5W total output, it can support a substantial downlight array. The IP65 rating allows installation in damp or dusty commercial environments such as parking garages or covered walkways.
Is the ELG-240-C2100A suitable for outdoor LED signage applications?
The ELG-240-C2100A carries an IP65 water-resistant rating, so it is protected against low-pressure water jets and dust ingress, making it appropriate for enclosed or sheltered outdoor signage cabinets. It accepts a wide input range of 100–305VAC and operates down to -40°C, which suits most outdoor temperature extremes. For fully exposed installations subject to direct immersion, the IP67-rated ELG-240-C2100B would be the better choice.
How many LEDs can the ELG-240-C2100A drive in a series string?
The driver operates in constant current mode at 2100mA, with an output voltage range of 57–115V. The number of LEDs it can drive in series depends on the forward voltage of each LED — there is no fixed LED count. You need the sum of the forward voltages of all series LEDs to fall within the 57–115V window.
Can the output current on the ELG-240-C2100A be trimmed or adjusted?
Yes, the 'A' suffix on this model indicates it includes an adjustable output function, allowing the constant current output to be trimmed via an external resistor or potentiometer. This is useful when the nominal 2100mA exceeds the rated current of your LED load and you need to reduce drive current without changing the driver.
What distinguishes the ELG-240-C2100A from the ELG-240-C2100B and ELG-240-C2100DA in the same wattage family?
All three are 241.5W constant current drivers at 2100mA with a 57–115V output range. The ELG-240-C2100A (this unit) adds output adjustability only and is rated IP65. The ELG-240-C2100B adds analog dimming (0–10V / PWM / resistance) and is rated IP67. The ELG-240-C2100DA adds DALI digital dimming and is also rated IP67. Choose based on your dimming protocol and required IP rating.
Can the ELG-240-C2100A be used in cold-storage or outdoor enclosures that reach -40°C?
Yes. The driver is specified for an operating temperature range of -40°C to +85°C, so it will start and operate reliably in cold-storage facilities and outdoor enclosures in cold climates. The metal case construction also assists with heat dissipation at the high end of that range.
