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Mean Well

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

Features

Universal AC input (up to 305VAC) / Full range
Constant voltage PWM style output
Built-in active PFC function
High efficiency up to 90.5%
No load power consumption <0.5W
Protections: Short circuit / Overload / Over voltage / Over temperature
Fully isolated plastic case
Fully encapsulated with IP67 level
Class 2 power unit
Isolation class II, no F.G.
Built-in 3 in 1 dimming (dim-to-off);DALI
Suitable for dry, damp and wet location
Suitable for LED strip lighting
5 years warranty

General Specification 

AC input voltage range 90~305VAC ; 127~431VDC
AC inrush current (max.) Cold start, 60A at 230VAC
Overload protection 108%~120% hiccup mode, auto-recovery
Over voltage protection Shut down o/p voltage, re-power on to recover
Over temp. protection Shut down output voltage, re-power on to recover
Setup, rise, hold up time 500ms, 80ms, 16ms at full load and 230VAC
Withstand voltage I/P-O/P: 3.75kVAC
Working temperature -40~+90ºC (refer to output derating curve)
Safety standards UL8750, CSA C22.2 No.250.13-12,ENEC EN61347-1, EN61347-2-13 independent, EN62384 approved ; Design refer to EN60335-1
EMC standards EN55015, 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 SJTW 14AWG x2C (30cm)+UL24645 18AWG x2C (30cm)
Dimension (LxWxH) (mm) 191x63x 37.5
Packing 15pcs / 15.6kg

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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::specification::

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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.

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

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

Please for Pricing

Features

Universal AC input (up to 305VAC) / Full range
Constant voltage PWM style output
Built-in active PFC function
High efficiency up to 90.5%
No load power consumption <0.5W
Protections: Short circuit / Overload / Over voltage / Over temperature
Fully isolated plastic case
Fully encapsulated with IP67 level
Class 2 power unit
Isolation class II, no F.G.
Built-in 3 in 1 dimming (dim-to-off);DALI
Suitable for dry, damp and wet location
Suitable for LED strip lighting
5 years warranty

General Specification 

AC input voltage range 90~305VAC ; 127~431VDC
AC inrush current (max.) Cold start, 60A at 230VAC
Overload protection 108%~120% hiccup mode, auto-recovery
Over voltage protection Shut down o/p voltage, re-power on to recover
Over temp. protection Shut down output voltage, re-power on to recover
Setup, rise, hold up time 500ms, 80ms, 16ms at full load and 230VAC
Withstand voltage I/P-O/P: 3.75kVAC
Working temperature -40~+90ºC (refer to output derating curve)
Safety standards UL8750, CSA C22.2 No.250.13-12,ENEC EN61347-1, EN61347-2-13 independent, EN62384 approved ; Design refer to EN60335-1
EMC standards EN55015, 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 SJTW 14AWG x2C (30cm)+UL24645 18AWG x2C (30cm)
Dimension (LxWxH) (mm) 191x63x 37.5
Packing 15pcs / 15.6kg
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