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Meanwell Switching power supply 30V/1280mA 40W

From 141.37€ *
Net price: 118.80€
Content: 1

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Diagnose function:

  • KNX-40E-1280-O
  • KNX-40E-1280
  • 0.328 kg
  • MEAN WELL
Meanwell Schaltnetzteil 30V/1280mA 40W Meanwell, the leading manufacturer of standard power... more

Meanwell Schaltnetzteil 30V/1280mA 40W

Meanwell, the leading manufacturer of standard power supplies, continues to drive the development of building automation technology to create a green and sustainable society. After the introduction of the KNX-20E-640, the new KNX power supply KNX-40E-1280 will be introduced.
The KNX power supply KNX-40E-1280 is a 1280mA power supply with high efficiency and a small footprint of only 72mm. The device has a KNX bus throttle output and an additional output for the auxiliary power. The wide temperature range of -30 ~ + 70 ° C can cover all types of applications. For troubleshooting, monitoring purposes, output voltage, output current, bus traffic, device temperature and other current readings can be sent. KNX LED displays are used in normal operation, overload conditions and RESET operation. It is perfectly suited to operate all products marked with the KNX trademark.

Features of the power supply:

  • EIB / KNX power supply with integrated throttle
  • Safety extra low voltage (SELV)
  • Suitable for TP1-256
  • 180~264VAC input
  • Protections: Short circuit / overload (short-circuit-proof)/ over voltage
  • Cooling by free air convection
  • Isolation class 1
  • LED indicator for normal operation, bus reset and bus overload
  • Monitoring of output voltage, output current, bus traffic load and device temperature
  • Provide wide variety of diagnostic and logic funstion.
  • Over voltage category 3

Technical data:

Input voltage range 180...264V AC (47...63Hz)
  176...280V DC
Inrush current, typ. 60A
Leakage, max. 1mA
Overload protection 205...235%
Isolation voltage  
I/P-O/P 4200V AC
I/P-FG 2000V AC
Operating temperature range -30...+70°C
Weight 328g


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Features of the product family. Details on variants can be found in the description.
Constant Voltage: 30V
Application: Indoor
Constant Current: 1,2A
Power: 40W
Data sheet Switching power suppl
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