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Mean Well ELG-150-42B Power Supply 150W 42V - Dimmable
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
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BrandMean Well
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SeriesELG Series
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Power Rating150 Watt
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Output Voltage42 Volt
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Rated Current3.57 Ampere
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Input Voltage100V~305V
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No of Output1
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Dimming Control0-10V,10V PWM,Resistance
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Standards MetBSI,CB,CCC,CE,EAC,ENEC,KC,RCM,UL
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Operation ModeConstant Current,Constant Voltage
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Operating Temperature-40°C~90°C
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Warranty5 Year
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Length8.62 in
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Width2.48 in
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Height1.4 in
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Weight2.09 lb
::specification::
Frequently Asked Questions
Is the ELG-150-42B waterproof enough for open outdoor LED installations?
Yes. The ELG-150-42B carries an IP67 rating, making it dust-tight and protected against water immersion up to 1 meter for 30 minutes. This qualifies it for open outdoor fixtures, facade-mounted luminaires, or exterior sign cabinets where direct rainfall or washdown is possible.
Can I use the ELG-150-42B to power 42V LED strips in outdoor architectural facade lighting?
Yes. The IP67 waterproof rating and 150W output at 42V make the ELG-150-42B well suited for outdoor facade LED strip installations. Its -40°C to +90°C operating range handles the thermal extremes found in building exterior environments, and the metal case supports heat dissipation in enclosed mounting positions.
Does the ELG-150-42B include external dimming capability?
No. The 'B' suffix indicates a built-in output-level trimming potentiometer only — there is no external 0–10V, PWM, or DALI dimming input. The potentiometer allows manual output adjustment within the 21–42V constant-current range during installation. For external dimming control, the ELG-150-42AB (0–10V) or ELG-150-42D2 (DALI) would be the appropriate variants.
How much 42V LED strip can the ELG-150-42B drive?
The ELG-150-42B outputs 150W at 42V. Divide 150W by your strip's rated power per meter to find the maximum run length. For a 10 W/m strip, that is approximately 15 meters; for a 15 W/m strip, approximately 10 meters. Check your strip's rated power per meter and limit continuous load to 80%, giving roughly 12 m and 8 m respectively in those examples.
Can the ELG-150-42B be used for 42V LED strips on a pier or marine dock lighting installation?
Yes. The IP67 rating provides robust protection in high-humidity, salt-air, and splash-zone environments typical of pier or dock installations. The 150W capacity can power significant lengths of 42V strip lighting along walkways or handrails, and the wide input range (100–305VAC) accommodates shore power supplies.
Is the ELG-150-42B appropriate for powering 42V LED strips in outdoor parking structure wayfinding lighting?
Yes. Parking structures expose LED drivers to dust, vehicle exhaust, and water from rain and washing. The IP67 waterproof and dust-tight rating of the ELG-150-42B makes it a durable choice for 42V strip-based wayfinding or overhead lighting in these environments, and its 5-year warranty reduces long-term maintenance concerns.
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Other ELG-150 Models
7 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well ELG-150-48 Power Supply 150W 48V | 150.2W | 48V | 3.13A | IP67 | $40.43 | View |
| Mean Well ELG-150-48DA Power Supply 150W 48V -DALI | 150.2W | 48V | 3.13A | IP67 | $46.89 | View |
| Mean Well ELG-150-48B Power Supply 150W 48V - Dimmable | 150.2W | 48V | 3.13A | IP67 | $43.79 | View |
| Mean Well ELG-150-24DA Power Supply 150W 24V - DALI | 150W | 24V | 6.25A | IP67 | $46.89 | View |
| Mean Well ELG-150-48A-3Y AC-DC Single output LED Driver Mix Mode (CV+CC) with PFC | — | — | — | IP65 | $39.82 | View |
| Mean Well ELG-150-12B Power Supply 120W 12V 3-wire Input - Dimmable | 120W | 12V | 10A | IP67 | $43.79 | View |
| Mean Well ELG-150-12-3Y AC-DC Single output LED Driver Mix Mode (CV+CC) with PFC | 150W | 12V | 10A | IP67 | $68.60 | View |
