Uninterruptible KNX power supply 640 mA

Uninterruptible KNX power supply 640 mA
with integrated choke

Rail mounting device, 8 rail units
ETS product family: System components
Product type: Power supply

Intended use

Supplying KNX devices with bus voltage
Interruption-free operation of the bus line in the event of power failure with rechargeable battery
Mounting on DIN rail according to EN 60715 in distribution boxes

Product characteristics

Generation and monitoring of the KNX bus voltage
With lead gel battery (ref.-no. BGA 12 AH) and cable set (ref.-no. KSB 4, KSE 2): buffering of the KNX bus voltage in the event of mains failure
Up to 2 batteries can be connected
Short-circuit proof
Overvoltage proof
Integrated choke
Alarm contact for fault message

Technical data
Power supply
	Rated voltage:	AC 195 ... 255 V ~
	Rated frequency:	45 ... 65 Hz
	Power consumption:	max. 50 VA
	Power loss:	max. 10 W
Ambient temperature:		–5 ... +45 °C
Storage/transport temperature:		–25 ... +70 °C
		(Storage above +45 °C reduces the lifetime)
KNX
	Bus output voltage:	DC 28 ... 31 V SELV
	Output current:	640 mA (short-circuit proof)
	Short-circuit current:	max. 1.4 A
	Connection:	terminal
Connection of fault indicator
	Switching voltage AC:	AC 12 ... 230 V ~
	Switching voltage DC:	DC 12 ... 24 V
	Switching current AC:	max. 6 A
	Switching current DC:	max. 4 A
Battery connection
	Cable length:	approx. 2 m
	Fine-wire fuse:	T 6.3 A H 250 V
	Rated voltage:	DC 12 V
	Rated charging current:	650 mA, at battery capacity > 5 Ah 150 mA, at battery capacity < 5 Ah
Mains failure bridging time (battery like new)
	1 battery 12 V / 12 Ah:	approx. 5.5 h
	2 batteries 12 V / 12 Ah:	approx. 11 h
Mounting width:		144 mm (8 rail units)
Terminals:		screw terminals
	single wire:	0.5 ... 4 mm²
	stranded with ferrule:	0.2 ... 2.5 mm²

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