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Mean Well ELG-100-C1050A-3Y Power Supply 100W 1050mA - Adjustable — 3-Wire Input (with Earth)

constant currentmetal caseIP655 years warranty

SKU ELG-100-C1050A-3Y

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The ELG-100-C1050A is a 99.75W Mean Well AC-DC constant current LED driver (input: 100~305VAC, output: 105V, operating temperature: -40~+90°C). This is the 3Y variant, supplied with a 3-wire input cable (live, neutral and protective earth).

Key Features

✓ 3-wire input with protective earth (L, N + PE)
✓ Input voltage: 100~305VAC
✓ Output voltage (max): 105V
✓ Rated output current: 1050mA
✓ Ingress protection: IP65
✓ Operating temperature: -40~+90°C
✓ Safety certifications: BSI, CB, CCC, CE, EAC, ENEC, RCM, UL
✓ 5 year warranty

Frequently Asked Questions

Can the ELG-100-C1050A-3Y power a series string of high-voltage LED modules in architectural lighting?

Yes. The ELG-100-C1050A-3Y operates as a constant current driver and accepts a broad AC input range. Its IP65 rating makes it appropriate for semi-exposed architectural fixtures. Verify that the series string's combined forward voltage falls within the driver's CC output range.

Is the ELG-100-C1050A-3Y suitable for outdoor LED sign cabinets?

The driver carries an IP65 water-resistant rating, which protects against dust and directed water spray. It is suitable for enclosed sign cabinets in outdoor settings, provided the cabinet itself offers additional protection against heavy rain exposure.

What does the '3Y' suffix mean for the ELG-100-C1050A-3Y, and does it affect compatibility?

The '3Y' designation refers to a three-wire input configuration or regional variant as classified by Mean Well. The driver's output specifications and LED compatibility are otherwise governed by its constant current mode at 1050mA (listed as 1.05mA in some datasheets) and the applicable CC voltage range.

Can I use this driver for LED downlights in a commercial building on 277V mains?

Yes. The ELG-100-C1050A-3Y accepts 100–305VAC, which includes the 277V single-phase circuits commonly used in North American commercial electrical systems.

What LED string forward voltages are compatible with the ELG-100-C1050A-3Y?

The driver is a constant current type; LED series strings with a combined forward voltage within the CC output range are compatible. The number of LEDs that can be strung in series depends on each individual LED's forward voltage.

Is the ELG-100-C1050A-3Y a good fit for museum or gallery accent lighting requiring fine current control?

Yes. The 'A' adjustment feature allows output current to be trimmed after installation, making it practical for gallery or museum accent fixtures where precise lumen output is required. The 100W power class supports mid-power LED arrays typical in track or recessed accent applications.

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Model	Power	Voltage	Current	IP Rating
Mean Well ELG-100-C700A Power Supply 100W 700mA - Adjustable	100.1W	149V	0.7A	IP65	View

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Key Features

✓ 3-wire input with protective earth (L, N + PE)

✓ Input voltage: 100~305VAC

✓ Output voltage (max): 105V

✓ Rated output current: 1050mA

✓ Ingress protection: IP65

✓ Operating temperature: -40~+90°C

✓ Safety certifications: BSI, CB, CCC, CE, EAC, ENEC, RCM, UL

✓ 5 year warranty

Mean Well ELG-100-C1050A-3Y Power Supply 100W 1050mA - Adjustable — 3-Wire Input (with Earth)

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Mean Well ELG-100-C1050A-3Y Power Supply 100W 1050mA - Adjustable — 3-Wire Input (with Earth)

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