Further information for JUNG 21280REG
Intended use
Supply of KNX devices with bus voltage
Supply of devices with direct current
Installation on top hat rail in accordance with DIN EN 60715 in sub-distribution boards
Product properties
Output with integrated choke for supplying KNX bus lines
DC 30 V output for supplying additional devices Nominal
current can be divided between outputs as required
Reset button Short-
circuit proof
Overvoltage proof
Idle-run proof
Suitable for operation in systems with emergency power supply
Potential-free signaling contact for operating and diagnostic messages
Nominal voltage: AC 200 ... 240 V ~
Mains frequency: 50/60 Hz
Power loss (max. load of all outputs): max. 6.4 W
Efficiency: approx. 86%
Nominal voltage: DC 240 ... 250 V
KNX
KNX medium: TP 256
Output voltage bus: DC 28 ... 31 V SELV
Output current: 1,280 mA (all outputs)
Short-circuit current: max. 3 A
Parallel operation with identical power supply: no
Signaling output
switching voltage AC: AC 12 ... 230 V ~
Switching voltage DC: DC 2 ... 30 V
Switching current: 5 mA ... 2 A
Ambient temperature: ?5 ... +45 °C
Storage/transport temperature: ?25 ... +75 °C
Relative humidity: max. 93 % (no condensation)
Installation width: 108 mm (6 HP)