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KNX-40E-1280 KNX switching power supply, 38.4W, 1280mA, MEAN WELL

Quantity Unit price
To 49
€94.58*
To 99
€91.43*
From 100
€86.83*

Currently not available (delivery time on request)

Product number: 104799
Manufacturer number: KNX-40E-1280
EAN 4021087052429

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Meanwell KNX-40E Series Description:

The KNX Power Supply KNX-40E-1280(D) is a 1280mA power supply with high efficiency and a small footprint of only 4SU (72 mm). The device has a KNX bus choke output and an additional output for ancillary power. The -30~+70°C wide temperature operating range can meet all kinds of applications. The LED indicators are used to indicate normal operation, overload conditions and RESET operation. It is perfectly suitable to power up any products labeled with the KNX trademark. With over 30 years of industrial power supply experience, MeanWell engineered the KNX-400E-1280(D) to be a reliable and safe solution for a KNX bus environment.

Meanwell KNX-40E Series Features:

  • KNX switching power supply with integrated choke.
  • Compact size with 4SU(72mm) width   
  • Cooling by free air convection 
  • Insulation class I 
  • LED indication for normal operation, bus reset and
  • Bus overload
  • Overvoltage category III 
  • Direct DIN-rail mountable (TS-35/7.5 or 15)
  • Closed design, touch-protected screw terminals
  • Universal input 180~264VAC
  • Overload protection by current limiting, auto-recovery
  • Protected against short circuit, overload, overvoltage
  • SELV
  • KNX-40E-1280D: with diagnostic function

Meanwell KNX-40E Series Application examples:

  • Building automation
  • Lighting control
  • HVAC system
  • Security system
  • Blinds and shutters
  • Energy management
  • Monitoring systems
  • Alarm monitoring
For detailed technical specifications, please check the data sheet in the "downloads" section.
Technical data
Product number: 104799
Size: 72mm x 90mm x 57mm
Protection: Short circuit protection SCP, overcharge OPP, overvoltage OVP
Weight: 0kg
Installation: DIN
Efficiency: 86%
Sealing Class: IP20
Output Current: 1280mA
Output Voltage: 30V DC
Power: 38.4W
Power Supply Characteristics: KNX / EIB
Series: KNX-40E
Size: 72mm x 90mm x 57mm