Mean Well LED power supply PWM-120-24KN KNX 120W 24V IP67

The MEAN WELL Brand – Experts in Sealed and Waterproof Power Supplies

MEAN WELL is a global leader in the production of sealed and waterproof switching power supplies. This brand's products are valued for their reliability, high efficiency, and safe operation. MEAN WELL power supplies are widely used in LED lighting, automation, industry, and telecommunications, wherever protection against moisture, dust, and harsh environmental conditions is required.

General Description of the PWM-120-24KNX Power Supply

The PWM-120-24KNX is a professional, sealed switching LED power supply with a power output of 120W and an output voltage of 24V DC. Equipped with a sealed plastic housing with an IP67 rating, it provides full waterproofness and dustproofness. The power supply supports a wide input voltage range of 90–305VAC or 127–431VDC, has an active PFC function and an integrated KNX interface enabling direct integration with building automation systems. PWM technology ensures precise light intensity regulation and energy saving, while the constant output voltage guarantees stable operation of LED devices.

Main features of the PWM-120-24KNX power supply

• Hermetic, waterproof IP67 housing - full protection against moisture and dust
• Compact dimensions: 191 x 63 x 37.5 mm
• Constant output voltage 24V DC, current up to 5A
• Output power: 120W
• Universal input voltage: 90–305VAC / 127–431VDC
• High efficiency: up to 91%
• Active PFC function (Power Factor Correction) Correction)
• Integrated KNX interface for building automation
• PWM output with adjustable frequency up to 4kHz
• PWM and 3-in-1 dimming function (0–10VDC, PWM, resistor)
• Surge resistance up to 4kV
• Protections: short circuit, overload (hiccup), overvoltage (hold & restart), thermal
• No-load power consumption <0.5W
• Passive cooling – no fan
• Class II insulation
• 5-year manufacturer's warranty
• Compliance with international standards: ENEC, CE, UL, EAC, EN61347-1, EN61347-2-13

PWM-120-24KNX Power Supply Applications

The PWM-120-24KNX power supply is ideal for powering LED lighting systems (stripes, modules, panels), architectural, garden, industrial, and luminous advertising lighting. Its hermetic IP67 housing makes it suitable for locations exposed to moisture, dust, and splashes: facades, gardens, production halls, shop windows, and outdoor installations. Integration with KNX enables centralized lighting control in intelligent buildings, offices, hotels, and commercial facilities. The power supply is also used in home automation, monitoring systems, HVAC, robotics, and anywhere that requires a stable, reliable 24V DC power supply and remote brightness control.

PWM-120-24KNX Technical Specifications

Frequently asked questions (FAQ) about the PWM-120-24KNX

• Is the PWM-120-24KNX suitable for outdoor use? Yes, the IP67 rating provides full protection against water and dust – the power supply is intended for outdoor installation and damp locations.
• What protection does this power supply have? Does it protect against short circuits, overloads, overvoltage, and overheating.
• What are typical applications? Power supply for LED strips, modules, panels, advertising, architectural, garden, and industrial lighting, automation and monitoring systems.
• Does the power supply support dimming? Yes, the KNX model supports PWM and 3-in-1 dimming: 0–10VDC, PWM, resistor.