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Mean Well PWM-120-12DA2 Power Supply 120W 12V DALI2

PWM style output, fully isolated plastic case, IP67, Class II design without FG, DALI2

SKU:

PWM-120-12DA2

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Description

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

Specifications

Brand

Mean Well
Series

PWM Series
Power Rating

12 Watt
Output Voltage

12 Volt
Rated Current

10 Ampere
Input Voltage

12V~305V
Standards Met

CB,CCC,CE,EAC,ENEC,UL
Operation Mode

Constant Voltage
Operating Temperature

-40°C~90°C
Warranty

5 Year
Length

19.1 cm
Width

6.3 cm
Height

3.75 cm
Weight

0.97 kg

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Frequently Asked Questions

What is DALI2 and how does it improve on DALI in the PWM-120-12DA2?

DALI2 is the second generation of the DALI lighting control standard, offering enhanced device commissioning, bidirectional communication, and standardized device types compared to original DALI. The PWM-120-12DA2 implements this DALI2 interface, making it compatible with DALI2 controllers and backward-compatible with DALI systems.

Can the PWM-120-12DA2 be used to power 12V LED strips in a DALI2-controlled smart building?

Yes. The PWM-120-12DA2 is designed specifically for integration into DALI2 lighting networks and outputs 12V at 10A with a PWM-style waveform compatible with 12V LED strips and modules. It supports the bidirectional feedback and device-type features defined by the DALI2 standard.

Is the PWM-120-12DA2 suitable for wet or outdoor locations?

Yes. Its IP67 rating provides full dust protection and protection against temporary water immersion, suitable for outdoor enclosures and wet indoor environments. The operating range of -40°C to +90°C covers typical outdoor temperature extremes.

How much 12V LED strip can the PWM-120-12DA2 support?

The driver has a 10A output current at 12V. For a strip rated at 10W/m, that supports up to 12 meters (120W ÷ 10W/m); for a 14.4W/m strip, approximately 8.3 meters. Always verify your strip's rated wattage per meter and leave a 20% headroom margin.

Can the PWM-120-12DA2 be installed in an outdoor junction box for landscape LED lighting?

Yes. The IP67 enclosure rating allows installation in outdoor junction boxes subject to rain and temporary water exposure. The Class II design (no functional ground required) also simplifies installation in plastic enclosures.

How does the PWM-120-12DA2 compare to the PWM-120-12DA?

Both models output 12V at 10A (120W) with IP67 protection and a PWM-style output. The PWM-120-12DA uses the original DALI interface, while the PWM-120-12DA2 uses DALI2, which adds bidirectional communication, enhanced device-type support, and improved commissioning capabilities required for newer smart lighting systems.

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

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Mean Well PWM-120-12DA2 Power Supply 120W 12V DALI2

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Mean Well PWM-120-12DA2 Power Supply 120W 12V DALI2

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