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Mean Well

Mean Well PWM-120-24DA2 Power Supply 120W 24V DALI2

PWM style output, fully isolated plastic case, IP67, Class II design without FG, DALI2
SKU:
PWM-120-24DA2
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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
    120 Watt
  • Output Voltage
    24 Volt
  • Rated Current
    5 Ampere
  • Input Voltage
    24V~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

File Downloads

::specification::

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Frequently Asked Questions

Can the PWM-120-24DA2 be used in a DALI2 smart lighting system controlling 24V LED strips?

Yes. The PWM-120-24DA2 implements the DALI2 standard, offering bidirectional communication and enhanced device-type features for integration into modern DALI2 smart lighting systems. It outputs 24V at 5A (120W) with a PWM-style output suited to 24V LED strips.

Is the PWM-120-24DA2 suitable for outdoor LED lighting applications?

Yes. The IP67 rating provides full dust ingress protection and resistance to temporary water immersion, making it suitable for outdoor enclosures and covered wet-area installations. The operating range of -40°C to +90°C covers a wide range of outdoor climates.

How many meters of 24V LED strip can the PWM-120-24DA2 power?

With a 120W output at 24V, the achievable strip length depends on the strip's power per meter. A 24W/m strip supports up to 5 meters (120 ÷ 24); a 14.4W/m strip supports approximately 8.3 meters (120 ÷ 14.4). Confirm your strip's rated power and apply a 20% derating buffer for reliable operation.

Can the PWM-120-24DA2 be used for 24V LED cove or indirect lighting in a commercial office under DALI2 control?

Yes. The DALI2 interface provides precise, addressable dimming control appropriate for commercial office lighting. The 120W, 24V PWM-style output is compatible with 24V LED strips used in cove and indirect lighting installations.

What advantage does DALI2 provide over DALI in the PWM-120-24DA2 for lighting control projects?

DALI2 introduces standardized device types, backward compatibility with DALI, and bidirectional communication that allows the controller to query device status. In the PWM-120-24DA2, this means more reliable commissioning, better interoperability with DALI2 controllers, and the ability to report operating status back to the lighting management system.

Can the PWM-120-24DA2 be installed in a sealed outdoor enclosure for landscape lighting?

Yes. The Class II design requires no functional ground connection, and the IP67 rating allows installation in sealed outdoor enclosures exposed to rain and temporary submersion. The wide operating temperature range of -40°C to +90°C ensures reliable performance in outdoor landscape conditions.

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Mean Well PWM-120-24DA2 Power Supply 120W 24V DALI2
Mean Well

Mean Well PWM-120-24DA2 Power Supply 120W 24V 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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