Mean Well HLG-240H-48A Power Supply 240W 48V - Adjustable

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)

Optional CQC models available (A/Blank-Type)

7 years warranty

General Specification

AC input voltage range	90~305VAC ; 127~431VDC
AC inrush current (max.)	Cold start, 75A 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, TUV EN60950-1
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)	A/B/D/Blank-Type: 244.2x 68x 38.8 C-Type: 251x 68x 38.8

Specifications

Brand

Mean Well
Series

HLG Series
Power Rating

240 Watt
Output Voltage

48 Volt
Rated Current

5 Ampere
Input Voltage

90V~305V
No of Output

1
Dimming Control

Built-in Potentiometer
Standards Met

CB,CCC,CE,EAC,PSE,RCM,TUV,UL
Operation Mode

Constant Current,Constant Voltage
Operating Temperature

-40°C~90°C
Warranty

7 Year
Length

9.61 in
Width

2.68 in
Height

1.53 in
Weight

2.87 lb

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Frequently Asked Questions

Can I use the HLG-240H-48A to adjust output voltage for a 48V LED grow light array?

Yes. The A suffix indicates a built-in potentiometer for output voltage and current adjustment. This lets you fine-tune the drive level to match the exact forward voltage of your 48V quantum boards or COB LEDs, optimizing light output and thermal performance within the CC range of 24-48V.

Is the HLG-240H-48A suitable for 48V LED strip lighting in a covered parking structure?

Yes. The IP65 water-resistant rating protects against dust and low-pressure water jets, which is sufficient for covered parking garages, carports, and similar sheltered structures. At 240W and 48V, it can power long runs of 48V strip with minimal voltage drop. For fully exposed locations, consider the IP67-rated HLG-240H-48.

Can I use the HLG-240H-48A for 48V LED modules in semi-enclosed signage cabinets?

Yes. With 240W at 48V and 5A output, it handles substantial 48V sign module arrays. The adjustable output lets you dial the voltage to precisely match your module string, reducing wasted power. The IP65 rating is well suited for sign cabinets that have drainage but are not fully waterproof.

Can I lower the HLG-240H-48A output to drive a smaller 48V LED load efficiently?

Yes. The potentiometer allows you to reduce the output voltage within the CC range of 24-48V and proportionally adjust the current. This is useful when your 48V LED fixture or strip installation draws well under 240W, letting you set a more appropriate drive point.

How many meters of 48V LED strip can the HLG-240H-48A support?

Divide 240W by your strip's wattage per meter. For example, a strip rated at 12W/m allows 20 meters (240W / 12W per meter = 20m). A denser strip at 24W/m allows 10 meters. Always check your strip's rated power per meter and keep the total load at or below 240W for stable operation.

Is the IP65 rating on the HLG-240H-48A sufficient for an outdoor electrical enclosure?

Yes. IP65 means the unit is dust-tight and protected against low-pressure water jets from all directions. It is well suited for weatherproof outdoor enclosures, junction boxes, and control cabinets. For direct exposure to heavy rain without an enclosure, or for locations with flooding risk, the IP67-rated HLG-240H-48 provides stronger water protection.

Model	Power	Voltage	Current	IP Rating	Price
Mean Well HLG-240H-24 Power Supply 240W 24V	240W	24V	10A	IP67	$72.97	View
Mean Well HLG-240H-12A Power Supply 192W 12V - Adjustable	192W	12V	16A	IP65	$59.00	View
Mean Well HLG-240H-12 Power Supply 192W 12V	192W	12V	16A	IP67	$61.40	View
Mean Well HLG-240H-42B Power Supply 240W 42V- Dimmable	240W	42V	5.72A	IP67	$74.91	View
Mean Well HLG-240H-42A Power Supply 240W 42V - Adjustable	240W	42V	5.72A	IP65	$72.97	View
Mean Well HLG-240H-24A Power Supply 240W 24V - Adjustable	240W	24V	10A	IP65	$50.74	View
Mean Well HLG-240H-42 Power Supply 240W 42V	240W	42V	5.72A	IP67	$70.79	View