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Mean Well HLG-185H-54B Power Supply 185W 54V- Dimmable
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Mean Well HLG-185H-54B Power Supply 185W 54V- Dimmable
Description
Description
The HLG-185H is a 185W Mean Well power converter (input range: 90~305VAC, operating temperature: -40~+90℃).
Key Features
- ✓ Input voltage range: 90~305VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Wide operating temperature: -40~+90℃
- ✓ Protections: Short circuit / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: EN/AS/NZS
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesHLG Series
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Power Rating185 Watt
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Output Voltage54 Volt
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Rated Current3.45 Ampere
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Input Voltage90V~305V
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No of Output1
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Dimming Control10V PWM,1-10V,Resistance
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Standards MetCB,CCC,CE,EAC,PSE,RCM,TUV,UL
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Operation ModeConstant Current,Constant Voltage
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Operating Temperature-40°C~90°C
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Warranty7 Year
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Length8.98 in
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Width2.68 in
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Height1.53 in
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Weight2.54 lb
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the HLG-185H-54B to power 54V LED grow lights?
Yes. The HLG-185H-54B delivers 185W at 54V with up to 3.45A of constant current, which suits many 54V LED grow light boards. Its IP67 waterproof rating also allows placement in humid greenhouse environments without additional enclosure protection.
Is the HLG-185H-54B a good driver for high-bay 54V LED fixtures?
Yes. At 185W and 54V output, this driver can power 54V high-bay LED fixtures used in warehouses, factories, or gymnasiums. The wide 90-305VAC input handles varying commercial mains voltages, and the dimmable B-type output accepts external 1-10V or PWM dimming signals for light-level control.
Can the HLG-185H-54B drive 54V COB LED modules for architectural lighting?
Yes. The constant-current output with a CC voltage range of 27-54V accommodates 54V COB LED modules commonly used in architectural downlights and wash fixtures. The 3.45A maximum current is sufficient for single or series-connected COB arrays that stay within the 185W total.
How does dimming work on the HLG-185H-54B compared to the HLG-185H-54 and HLG-185H-54A?
The base HLG-185H-54 has no dimming or adjustment and is IP67 waterproof. The -54A adds a built-in potentiometer for output voltage and current adjustment and is IP65 water-resistant. The -54B (this model) adds an external dimming input (1-10V, PWM, or resistance) while retaining IP67 waterproof rating but without the built-in adjustment potentiometer.
Can the HLG-185H-54B be mounted outdoors in direct rain?
Yes. Its IP67 rating means the unit is sealed against dust ingress and can withstand temporary immersion in water up to 1 meter. It is fully suitable for outdoor installations exposed to rain, snow, or high-humidity conditions without an additional enclosure.
What operating temperature range does the HLG-185H-54B support for extreme climate installations?
The HLG-185H-54B operates from -40°C to +90°C, making it suitable for cold-weather installations such as outdoor parking lot lighting in northern climates as well as hot enclosed environments. The aluminium casing helps dissipate heat in high-ambient-temperature settings.
Other HLG-185H Models
1 other model| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well HLG-185H-24A Power Supply 185W 24V - Adjustable | 185W | 24V | 7.8A | IP65 | $58.71 | View |
