Mean Well ELG-150-42 Power Supply | Reliable 150W 42V LED Driver

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 I use the ELG-150-42 to power 42V LED strips in an outdoor sign cabinet?

Yes. The ELG-150-42 carries an IP67 waterproof rating and supports a -40°C to +90°C operating temperature, making it suitable for outdoor sign cabinets exposed to weather. Its 150W output at 42V can drive a substantial run of 42V LED strip or modules within the cabinet.

How long a run of 42V LED strip can the ELG-150-42 power?

The ELG-150-42 delivers 150W at 42V. To estimate maximum strip length, divide 150W by your strip's watt-per-meter rating. For a 10 W/m strip, that is approximately 15 meters; for a 14.4 W/m strip, approximately 10.4 meters. Always verify your strip's specific power per meter and limit continuous load to 80%, giving roughly 12 m and 8.3 m respectively in those examples.

Is the ELG-150-42 suitable for wet-location or rain-exposed LED luminaire applications?

Yes. With an IP67 rating, the ELG-150-42 is dust-tight and protected against temporary water immersion up to 1 meter for 30 minutes. This qualifies it for wet-location luminaires, outdoor wall washers, or facade-mounted fixtures where direct moisture exposure is expected.

Does the ELG-150-42 include dimming capability or output adjustment?

No. The ELG-150-42 base model (no letter suffix) does not include external dimming inputs or a built-in adjustment potentiometer. For external 0–10V dimming, choose the ELG-150-42A or ELG-150-42AB; for built-in trimming only, choose the ELG-150-42B; for DALI dimming, choose the ELG-150-42DA or ELG-150-42D2.

Can the ELG-150-42 drive 42V high-bay LED retrofit modules in industrial facilities?

Yes. The ELG-150-42's wide input range (100–305VAC), 150W constant-current output, and IP67 protection make it a capable driver for 42V high-bay LED retrofit modules in industrial or warehouse environments. The metal case and robust operating temperature range support the thermal demands of high-ambient industrial spaces.

Is the ELG-150-42 appropriate for powering 42V LED strips in a cold-storage or freezer room?

Yes. The ELG-150-42 is rated down to -40°C, which covers the operating temperature of most commercial freezer and cold-storage environments. Its IP67 rating also provides protection against condensation and cleaning moisture typical in food-storage facilities.

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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-150-42 Power Supply 150W 42V 3.57A

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

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