Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well ELG-240-C1750DA Power Supply 240W 1750mA - DALI
The ELG-240 is a 240W 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: (type”HL”), CSA C22.2 No. 250.13-12;IEC/EN/AS/NZS 61347-1, IEC/EN/AS/NZS 61347-2-13 UL8750 EAC TP TC 004;BIS IS15885(for 24/24B/36/36A/42/42A/48/48A/54/54A only) GB19510.14,GB19510.1; IP65 or IP67; KC61347 1 KC61347 2 13
- ✓ 3 years warranty
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BrandMean Well
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SeriesELG-C Series
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Power Rating239.75 Watt
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Output Voltage144 Volt
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Rated Current1.75 Ampere
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Input Voltage100V~305V
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No of Output1
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Dimming ControlDALI
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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
::specification::
Frequently Asked Questions
Is the ELG-240-C1750DA compatible with DALI building automation systems?
Yes. The DA suffix indicates a built-in DALI (Digital Addressable Lighting Interface) dimming input. The driver can be addressed and dimmed directly from a DALI controller on a shared two-wire bus, enabling integration with building management systems and scene-based lighting control in commercial or institutional LED downlight installations.
Can the ELG-240-C1750DA be used in outdoor LED signage where rain exposure is a concern?
Yes. The IP67 waterproof rating means the driver is sealed against dust and can withstand temporary water immersion, making it suitable for outdoor sign enclosures exposed to rain or high-pressure cleaning. The -40°C to +85°C operating range also supports outdoor deployment in most climates.
What LED load voltage range works with this driver?
The ELG-240-C1750DA is a constant current driver delivering 1750mA; its output voltage self-adjusts between 69V and 137V to maintain that current. The number of LEDs that can be connected in series depends on each LED's forward voltage, provided the total string voltage falls within 69–137V.
Is this driver suitable for powering high-power LED arrays in a sports or industrial facility?
Yes. At 239.75W and 1750mA with IP67 sealing and a broad operating temperature range, the ELG-240-C1750DA can drive the high-power LED arrays found in sports hall floodlights or industrial high-bay luminaires, particularly where DALI dimming is required for energy management or occupancy-based control.
How does the DALI variant compare to the standard ELG-240-C1750 without a dimming interface?
Both the ELG-240-C1750 and ELG-240-C1750DA share the same power (239.75W), current (1750mA), CC voltage range (69–137V), IP67 rating, and certifications. The key difference is that the DA variant includes a DALI-2 compatible dimming input for digital bus control, whereas the base model has no dimming capability.
Can I install the ELG-240-C1750DA in a humid or tropical outdoor environment?
Yes. The IP67 rating protects against moisture ingress and the driver is rated to operate at temperatures up to +85°C, which accommodates the high ambient temperatures found in tropical regions. The metal enclosure and wide certification portfolio (CB, CE, UL, and others) further support deployment in international markets with challenging climates.
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