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Mean Well PWM-120-48 Power Supply 120W 48V - Dimmable 2.5A

PWM style outputfully isolated plastic caseIP67Class II design without FGbuilt-in 3 in 1 dimming

SKU PWM-120-48

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The PWM-120 is a 120W Mean Well AC-DC constant voltage LED driver (input: 90~305VAC, output: 48V, operating temperature: -40~+90°C).

Key Features

✓ Input voltage: 90~305VAC
✓ Output voltage: 48V
✓ Rated output current: 2.5A
✓ 3-in-1 dimming (0–10V / PWM / resistance)
✓ Class II design — no earth connection required
✓ Ingress protection: IP67
✓ Operating temperature: -40~+90°C
✓ Safety certifications: CB, CCC, CE, EAC, ENEC, UL
✓ 5 year warranty

Frequently Asked Questions

Can I use the PWM-120-48 to power 48V LED strips outdoors?

Yes. The IP67 waterproof rating allows the PWM-120-48 to be installed in outdoor or exposed locations, and its operating temperature range of -40°C to +90°C accommodates most climate conditions. The Class II isolated design also reduces safety concerns in wet environments.

How many meters of 48V LED strip can the PWM-120-48 drive?

The PWM-120-48 delivers up to 120W at 48V. Divide 120W by your strip's watt-per-meter rating to find the maximum length — for example, a 20 W/m strip allows up to 6 m. Always verify the strip's rated power consumption per meter before sizing.

Is the PWM-120-48 suitable for 48V LED signage with dimming capability?

Yes. The built-in 3-in-1 dimming supports PWM signal, 0–10V, and resistance control, making the PWM-120-48 compatible with most external dimmer controllers used in illuminated signage. Its 120W capacity supports medium-format 48V sign cabinets.

Can the PWM-120-48 be used for long-run linear architectural lighting at 48V?

Yes. 48V systems allow longer cable runs with lower voltage drop compared to 12V or 24V, and the PWM-120-48 provides up to 120W to take advantage of that. It is a good match for linear architectural lighting fixtures or LED channels using 48V strip.

Is the PWM-120-48 appropriate for outdoor landscape uplighting at 48V?

Yes. The IP67 rating and -40°C cold-start performance make the PWM-120-48 reliable in ground-level or buried-enclosure landscape installations. At 2.5A output current it can supply multiple 48V uplights up to a combined 120W load.

How does the PWM-120-48 compare to other PWM-series drivers at 48V?

The PWM series at 48V includes: PWM-40-48 (40W, 0.84A), PWM-60-48 (60W, 1.25A), PWM-90-48 (90W, 1.88A), PWM-120-48 (120W, 2.5A), and PWM-200-48 (200W, 4.17A). DALI versions (PWM-120-48DA, PWM-200-48DA2) are available if DALI control is needed.

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Model	Power	Voltage	Current	IP Rating
Mean Well PWM-120-24DA2 Power Supply 120W 24V DALI2 5A	120W	24V	5A	IP67	View
Mean Well PWM-120-24DA Power Supply 120W 24V - DALI 5A	120W	24V	5A	IP67	View
Mean Well PWM-120-12DA2 Power Supply 120W 12V DALI2 10A	12W	12V	10A	IP67	View
Mean Well PWM-120-48DA Power Supply 120W 48V - DALI 2.5A	120W	48V	2.5A	IP67	View
Mean Well PWM-120-36DA Power Supply 120W 36V - DALI 3.4A	120W	36V	3.4A	IP67	View
Mean Well PWM-120-36 Power Supply 120W 36V - Dimmable 3.4A	120W	36V	3.4A	IP67	View
Mean Well PWM-120-24KN AC-DC Single output LED driver Constant Voltage (CV) 5A	120W	24V	5A	IP67	View
Mean Well PWM-120-24BLE AC-DC Single output LED driver Constant Voltage (CV)	120W	24V	5A	—	View
Mean Well PWM-120-24 Power Supply 120W 24V - Dimmable 5A	120W	24V	5A	IP67	View
Mean Well PWM-120-12KN AC-DC Single output LED driver Constant Voltage (CV) 10A	120W	12V	10A	IP67	View

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Key Features

✓ Input voltage: 90~305VAC

✓ Output voltage: 48V

✓ Rated output current: 2.5A

✓ 3-in-1 dimming (0–10V / PWM / resistance)

✓ Class II design — no earth connection required

✓ Ingress protection: IP67

✓ Operating temperature: -40~+90°C

✓ Safety certifications: CB, CCC, CE, EAC, ENEC, UL

✓ 5 year warranty

Mean Well PWM-120-48 Power Supply 120W 48V - Dimmable 2.5A

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Mean Well PWM-120-48 Power Supply 120W 48V - Dimmable 2.5A

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