Mean Well ELG-150-42DA 150W 42V Power Supply - DALI | Auckland Distributor

The ELG-150 is a 150W Mean Well power converter.

Key Features

✓ 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: UL8750 (type”HL”), EN61347-1, EN61347-2-13 independent, EN62384, IP65 or IP67
✓ 3 years warranty

Frequently Asked Questions

Can the ELG-150-42DA be used in a DALI-controlled architectural lighting system?

Yes. The DA suffix indicates this unit includes a DALI (Digital Addressable Lighting Interface) dimming input, allowing it to be addressed and dimmed individually within a DALI bus network. At 150W and 42V, it suits commercial or architectural luminaires that require centralized digital dimming control.

Is the ELG-150-42DA appropriate for outdoor LED signage that requires smart building integration?

Yes. The IP67 rating makes the ELG-150-42DA resistant to dust and temporary water immersion, suitable for outdoor installations. The DALI interface enables integration with building management systems or smart lighting controllers, making it a good fit for connected outdoor signage.

How many meters of 42V LED strip can the ELG-150-42DA power?

The ELG-150-42DA delivers up to 150W at 42V. For a strip rated at 10W/m, that supports approximately 15 m (150 ÷ 10 = 15); for a 20W/m strip, about 7.5 m (150 ÷ 20 = 7.5). Always check the actual rated power per meter of your specific strip before finalizing the design.

Can the ELG-150-42DA handle outdoor installations in humid or rainy climates?

Yes. The ELG-150-42DA carries an IP67 rating, providing complete dust protection and protection against temporary water immersion up to 1 m. This makes it suitable for outdoor use in humid, tropical, or rainy environments when properly mounted.

What distinguishes the ELG-150-42DA from the ELG-150-42D2 in terms of dimming?

The ELG-150-42DA uses DALI (IEC 62386) protocol dimming, which is a two-wire digital bus supporting individual addressing and broadcast commands in a lighting network. The ELG-150-42D2 uses a 3-in-1 analogue interface (0–10V, PWM, resistance). Both share the same 150W, 42V, 3.57A output and IP67 rating; the choice depends on whether the project uses DALI or analogue dimming infrastructure.

Can the ELG-150-42DA power LED modules in horticultural grow-light fixtures?

The ELG-150-42DA outputs 42V at up to 3.57A (150W), which is compatible with many 42V-rated horticulture LED modules. The DALI dimming interface also allows photoperiod and intensity control via a compatible DALI controller. Confirm that your LED modules are rated for 42V CC operation.

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Model	Power	Voltage	Current	IP Rating
Mean Well S-ELG-150-24-3Y Power Supply 150W 24V 6.25A — 3-Wire Input (with Earth)	150W	24V	6.25A	IP67	View
Mean Well ELG-150-12-3Y Power Supply 120W 12V 10A — 3-Wire Input (with Earth)	150W	12V	10A	IP67	View
Mean Well ELG-150-24DA Power Supply 150W 24V - DALI 6.25A	150W	24V	6.25A	IP67	View
Mean Well ELG-150-24A-3Y Power Supply 150W 24V - Adjustable 6.25A — 3-Wire Input (with Earth)	150W	24V	6.25A	IP65	View
Mean Well S-ELG-150-12-3Y Power Supply 120W 12V 10A — 3-Wire Input (with Earth)	120W	12V	10A	IP67	View
Mean Well ELG-150-48DA Power Supply 150W 48V -DALI 3.13A	150.2W	48V	3.13A	IP67	View
Mean Well ELG-150-48A-3Y Power Supply 150W 48V - Adjustable 3.13A — 3-Wire Input (with Earth)	150W	48V	3.13A	IP65	View
Mean Well ELG-150-24DA-3Y Power Supply 150W 24V - DALI 6.25A — 3-Wire Input (with Earth)	150W	24V	6.25A	IP67	View
Mean Well ELG-150-24-3Y Power Supply 150W 24V 6.25A — 3-Wire Input (with Earth)	150W	24V	6.25A	IP67	View
Mean Well ELG-150-12B-3Y Power Supply 120W 12V - Dimmable 10A — 3-Wire Input (with Earth)	120W	12V	10A	IP67	View

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Key Features

✓ 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: UL8750 (type”HL”), EN61347-1, EN61347-2-13 independent, EN62384, IP65 or IP67

✓ 3 years warranty

Mean Well ELG-150-42DA Power Supply 150W 42V - DALI 3.57A

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Mean Well ELG-150-42DA Power Supply 150W 42V - DALI 3.57A

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