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Mean Well HLG-320H-C1750B Power Supply 320.25W 1750mA - Dimmable
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Mean Well HLG-320H-C1750B Power Supply 320.25W 1750mA - Dimmable
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 Control10V PWM,1-10V,Resistance
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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-C1750B to drive dimmable LED high-bay lights in a sports facility?
Yes. The HLG-320H-C1750B delivers 1750mA constant current at 320.25W and includes a 1-10V/PWM dimming input. This allows you to reduce light levels during practice sessions and ramp up to full brightness for competitions. The LED modules must have a string voltage within the 91-183V range.
Is the HLG-320H-C1750B suitable for LED retail display lighting with brightness control?
Yes, provided your LED fixtures require 1750mA and the string voltage falls within 91-183V. The dimming input accepts 1-10V or PWM signals, letting you adjust ambiance for product displays. At 320.25W, it can handle substantial LED loads across multiple fixture strings wired in series.
Can the HLG-320H-C1750B power LED luminaires in a workshop or factory floor?
Yes. The 320.25W capacity and 1750mA drive current suit industrial LED luminaires with string voltages in the 91-183V range. The dimming function via 1-10V/PWM allows task-based lighting control. The driver's -40°C to +85°C operating range and IP65 rating handle typical industrial conditions.
Can I use the HLG-320H-C1750B for outdoor architectural LED accent lighting?
It can work in sheltered outdoor locations. The IP65 rating protects against dust and low-pressure water jets, making it suitable for installation inside weatherproof junction boxes or under eaves. For fully exposed outdoor positions, the IP67-rated HLG-320H-C1750DA with DALI control is better suited.
How do I size the LED string for the HLG-320H-C1750B?
The driver outputs a constant 1750mA and adjusts its voltage automatically within the 91-183V range to maintain that current. Add up the forward voltages of all LEDs in your series string at 1750mA and confirm the total falls within this range. The exact number of LEDs depends on each LED's individual forward voltage.
What dimming methods does the HLG-320H-C1750B support?
The HLG-320H-C1750B accepts 1-10V analog and PWM dimming signals. It does not include output current adjustment via potentiometer — for that feature combined with dimming, you would need the HLG-320H-C1750AB. The -B variant is designed for systems where a fixed base current with external dimming control is sufficient.
