Uninterruptible 640mA KNX Power supply
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  • G107900
  • 107900
GIRA 107900

Uninterruptible 640mA KNX Power supply

Product code: 1079 00
The uninterruptible power supply 640 mA provides the KNX system voltage. With integrated choke for de-coupling the bus line from the power supply.
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With connections for a lead-gel rechargeable battery 1130 00 for buffering KNX voltage in case of a power failure. Up to two lead-gel accumulators can be connected and charged via the uninterruptible power supply. The charging voltage is controlled depending on the temperature using a temperature sensor.

The uninterruptible power supply has a zero-voltage 2-way switch for reporting a fault (e.g. mains failure, battery failure, overload or short circuit). Connection is made via KNX bus connection or branch terminals (no data rail required).

  • Lead-gel rechargeable battery 12 Ah: 1130 00 
  • Basic cable set: 1128 00
  • Expansion cable set: 1129 00

Technical Details


  • Primary rated voltage: 230 VAC, 50/60 Hz
  • Secondary rated voltage: SELV 28 V to 31 V DC
  • Secondary rated current: 640 mA, short-circuit-proof
  • 2-way switch: AC 230 V, 6 A DC 12/24 V, 4 A
  • Load via screw terminals: 0.2 to 4 mm2 single-wire, 0.2 to 2.5 mm2 fine-wire



Technology KNX
Brand GIRA
Mounting DIN Rail
Operating voltage 230VAC
Output Rating 640mA
IP rating IP20
Mounting Width 8MW
EAN 4010337009115

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