Bus supply unit 640 mA with 30 Vdc auxiliary output

DIN-Rail mount modules



The Ekinex® 640 mA KNX bus power supply supplies and monitors the 30 Vdc voltage required by the KNX bus for operation. An integrated choke provides for decoupling power supply and bus line. On a bus line powered by a 640 mA power supply unit may be connected a maximum of 64 bus devices. Output is protected from overload and short-circuit. The EK-AG1-TP version is provided with an additional 30 Vdc output can be used as auxiliary power supply for other devices requiring SELV voltage (Safety Extra Low Voltage). The total current provided by the two outputs (KNX bus line and auxiliary power supply) cannot exceed 640 mA. The device supports short network voltage interruptions (max. 200 ms).

Technical data
  • Input voltage: 230 Vac, 50/60 Hz
  • Power absorption 22 W
  • Loss < 3 W
  • Output voltage (KNX bus): 30 Vdc
  • Output voltage (auxiliary output): 30 Vdc
  • Nominal current (output total): 640 mA
  • Buffer time: 200 ms

Delivery includes one terminal blocks for connection to the bus and is delivered with a second terminal block for connection to the auxiliary output.

Functions / Features
  • Plastic casing
  • Connection to bus line with KNX terminal block
  • Connection of auxiliary output with dedicated terminal block
  • Connection of 230 Vac power supply with screw terminals
  • Classification climatic 3K5 and mechanical 3M2 (according to EN 50491-2)
  • Pollution degree 2 (according to IEC 60664-1)
  • Safety class II
  • Installation on 35 mm rail (according to EN 60715)
  • 4 modular units (1 MU = 18 mm)
  • IP20 protection grade (installed device)
  • Weight 165 g
Configurationa and commissioning

The device does not need any configuration. ETS application program: APEKAG1TP##.knxprod (## = release).

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