Over 15 years experience of providing support of MEAN WELL Power Supplies
The PWM-120 is a 120W Mean Well DIN rail power converter with a 191mm profile (input range: 90~305VAC, operating temperature: -40~+80℃).
Key Features
- ✓ 191mm width — DIN rail TS-35 compatible
- ✓ Input voltage range: 90~305VAC
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Wide operating temperature: -40~+80℃
- ✓ Protections: Short circuit / Overload / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: Note.5 UL8750( type ”HL” )(except for 12DA type), CSA C22.2 No. 250.13-12; ENEC EN61347-1, EN61347-2-13,EN62384 independent, IP67,BIS IS15885( for PWM-120-12,24 only), EAC TP TC 004,GB19510.1,GB19510.14
- ✓ 3 years warranty
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BrandMean Well
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SeriesPWM Series
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Power Rating120 Watt
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Output Voltage48 Volt
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Rated Current2.5 Ampere
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Input Voltage90V~305V
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Standards MetCB,CCC,CE,EAC,ENEC,UL
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Operation ModeConstant Voltage
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Operating Temperature-40°C~90°C
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Warranty5 Year
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Length19.1 cm
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Width6.3 cm
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Height3.75 cm
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Weight0.97 kg
::specification::
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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Other PWM-120 Models
10 other models| 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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