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KNX-Power Supply 40E-1280mA

KNX-Power Supply 40E-1280mA

SKU : 3253205

Brand : Meanwell

Key Features

  • High-Capacity KNX Power Supply: Purpose-built for KNX installations, delivering stable power to extensive KNX bus networks and connected devices.

  • Powerful Output Performance: Provides a regulated 30 V DC output rated at 1.28 A (38.4 W), ensuring reliable operation of multiple KNX components simultaneously.

  • Integrated Bus Choke: Includes a built-in KNX-standard choke, allowing direct connection to the KNX bus line while maintaining signal integrity and reducing interference.

  • Wide Input Voltage Range: Supports 180–264 V AC input, providing flexibility for use in residential, commercial, and industrial environments worldwide.

  • Compact DIN-Rail Mounting: Designed for DIN-rail (MDRC) installation with a slim profile, optimising space in electrical distribution panels.

  • Certified Quality and Safety: Fully compliant with KNX and ITE standards, featuring high efficiency, low standby power, and integrated protection against overload, short circuit, and over voltage.


Product Description

The Mean Well KNX AC/DC DIN Rail Power Supply (1.28 A) is a high-performance and reliable power solution designed for large KNX automation systems. With a 30 V DC output rated at 1.28 A (38.4 W), it provides ample capacity to power multiple KNX bus devices, sensors, and controllers within a single installation.

Equipped with an integrated KNX choke, this PSU connects directly to the KNX bus line, ensuring clean communication signals and stable voltage delivery across all connected devices. Its universal AC input range (180–264 V AC) guarantees compatibility with global electrical standards and consistent performance under varying conditions.

Built with a compact DIN-rail housing (MDRC), the power supply fits easily into automation enclosures or distribution boards. Certified to KNX and ITE safety standards, the Mean Well 1.28 A KNX Power Supply offers exceptional reliability, high efficiency, and robust protection features—making it the ideal choice for demanding KNX installations requiring superior power stability and long-term performance.

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