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Mean Well HLG-320H-C1750A Power Supply 320.25W 1750mA - Adjustable
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Mean Well HLG-320H-C1750A Power Supply 320.25W 1750mA - Adjustable
Description
Description
Features
| Universal AC input (up to 305VAC) / Full range |
| High efficiency up to 95% |
| Built-in active PFC function, PF> 0.9 for 60% of load or higher |
| Protections: Short circuit / Over current / Over voltage / Over temperature |
| IP67 / IP65 design for indoor or outdoor installations |
| Cooling by free air convection |
| Output current adjustable |
| Suitable for LED lighting and street lighting applications |
| Meet 4kV surge immunity level (IEC61000-4-5) |
| Multiple models for choice: A-Type: IP65 rated. Output voltage and constant current level can be adjusted through internal potentiometer B-Type: IP67 rated and built-in 3 in 1 dimming function (1~10VDC, PWM signal, or resistance) C-Type: Terminal block for I/O connection Blank-Type: IP67 rated. Cable for I/O connection D-Type(option): IP67 rated. Timer dimming function, contact MEAN WELL for details (safety pending for 150~240W) |
| 7 years warranty |
General Specification
| AC input voltage range | 90~305VAC ; 127~431VDC |
| AC inrush current (max.) | Cold start, 70A at 230VAC |
| DC adjustment range | ±6% rated output voltage |
| Current adjustment range | 50%~100% |
| Over current protection | 95%~108% constant current limiting, auto-recovery |
| Over voltage protection | 110%~140% rated output voltage |
| Setup, rise, hold up time | 2500ms, 80ms, 15ms at full load and 230VAC |
| Withstand voltage | I/P-O/P: 3.75kVAC, I/P-FG: 2kVAC, O/P-FG: 0.5kVAC |
| Working temperature | -40~+70ºC (refer to output derating curve) |
| Safety standards | UL8750, TUV EN61347-1, EN61347-2-13, PSE J61347-1, J61347-2-13 (except for C-Type) approved; UL1012, UL60950-1 |
| EMC standards | EN55015, EN55022 class B, EN61000-3-2 class C, EN61000-3-3, EN61000-4-2,3,4,5,6,8,11, EN61547 |
| Connection Input | UL rated, SJTW 18AWGx3C (30cm); |
| Connection Output | A/D/Blank-Type: SJTW 14AWGx2C (30cm) ; B-Type: SJTW 14AWGx2C (30cm)+SJTW 18AWGx2C (30cm); C-Type: Terminal block |
| Dimension (LxWxH) (mm) | 252x 90x 43.8 |
Specifications
Specifications
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BrandMean Well
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SeriesHLG-C Series
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Power Rating320.25 Watt
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Output Voltage187 Volt
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Rated Current1.75 Ampere
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Input Voltage90V~305V
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No of Output1
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Dimming ControlBuilt-in Potentiometer
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Standards MetCB,CCC,CE,EAC,ENEC,UL
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Operation ModeConstant Current
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Operating Temperature-40°C~85°C
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Warranty7 Year
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Length9.92 in
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Width3.54 in
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Height1.72 in
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Weight4.14 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-320H-C1750A to power high-output LED grow light modules?
Yes, provided the LED modules operate at 1750mA and their total string voltage falls within the 91-183V constant-current range. The 320.25W output is well suited for high-intensity horticulture fixtures. The built-in potentiometer on the -A variant lets you fine-tune the output current to match specific LED bin characteristics.
Is the HLG-320H-C1750A a good fit for driving LED high-bay fixtures in an industrial facility?
Yes. At 1750mA and up to 320.25W, it can power high-bay LED modules with string voltages in the 91-183V range. The adjustable output lets you reduce current to extend LED lifespan or match specific fixture requirements. Its -40°C to +85°C operating range and IP65 protection handle typical factory conditions.
Can the HLG-320H-C1750A drive LED modules in outdoor area lighting?
Yes, in sheltered outdoor locations. The HLG-320H-C1750A has an IP65 rating that protects against dust and low-pressure water jets, suitable for installation under canopies, inside poles, or in ventilated enclosures. For fully exposed outdoor mounting, the IP67-rated HLG-320H-C1750DA offers better weather protection.
What does the adjustable output on the HLG-320H-C1750A allow me to do?
The built-in potentiometer lets you adjust the output current from the factory-set 1750mA down to a lower value within the design range. This is useful for derating the LED drive current to reduce heat, extend LED life, or match a specific LED module's optimal operating current without needing an external dimmer or controller.
How many series LEDs can the HLG-320H-C1750A support?
The number depends on each LED's forward voltage at 1750mA. The driver's constant-current output range is 91-183V, so you divide that range by the individual LED forward voltage to determine the allowable series count. Ensure the total string voltage under operating conditions stays within 91-183V.
Can the HLG-320H-C1750A operate in freezing environments like a cold storage facility?
Yes. The HLG-320H-C1750A has an operating temperature range of -40°C to +85°C, so it can handle cold storage and freezer environments without issue. The aluminium casing provides effective heat dissipation even in environments with minimal airflow. Ensure any condensation risk is managed by the enclosure design.
