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Mean Well

Mean Well PWM-120-12KN AC-DC Single output LED driver Constant Voltage (CV)

constant voltage PWM style output, built-in active PFC function, standby power consuption
SKU:
PWM-120-12KN
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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
    12 Volt
  • Rated Current
    10 Ampere
  • Standards Met
    BSMI,CB,CE,EAC,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
    0.8 kg

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::specification::

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Frequently Asked Questions

Can I use the PWM-120-12KN to control 12V LED lighting directly from a KNX building automation system?

Yes. The PWM-120-12KN has a built-in KNX interface, allowing direct integration into KNX building automation networks without requiring a separate KNX-DALI gateway. It outputs 12V at 10A (120W) with a constant voltage PWM-style output compatible with 12V LED strips.

Is the PWM-120-12KN suitable for outdoor or covered wet-area LED lighting installations?

Yes. The IP67 rating makes the PWM-120-12KN suitable for outdoor enclosures and covered locations exposed to rain or moisture. Its -40°C to +90°C operating temperature range also covers demanding outdoor climates.

How many meters of 12V LED strip can the PWM-120-12KN drive?

The PWM-120-12KN supplies up to 120W at 12V. For a 10W/m LED strip that is approximately 12 meters (120 ÷ 10); for a 14.4W/m strip, approximately 8.3 meters (120 ÷ 14.4). Confirm your strip's rated power per meter and apply a 20% derating buffer.

Does the PWM-120-12KN require an external gateway to work on a KNX network?

No. The KNX interface is built into the driver, so no external KNX-DALI gateway is needed. This simplifies panel wiring and reduces the number of components in KNX lighting control installations.

Can the PWM-120-12KN be used for 12V LED strip lighting in a hotel corridor managed by a KNX system?

Yes. The PWM-120-12KN is designed for this type of application, providing 120W of 12V constant voltage output with direct KNX control. Smooth PWM-style dimming is compatible with 12V LED strip lighting commonly used in hospitality corridor and accent lighting.

How does the PWM-120-12KN's standby power compare to the standard PWM-120-12?

The PWM-120-12KN specifies a standby power consumption of less than 0.5W, which is beneficial in large building installations where many drivers may be in standby. The standard PWM-120-12 does not publish this standby figure; it uses a 3-in-1 dimming interface rather than KNX.

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Mean Well PWM-120-12KN AC-DC Single output LED driver Constant Voltage (CV)
Mean Well

Mean Well PWM-120-12KN AC-DC Single output LED driver Constant Voltage (CV)

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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