JUNG
21280REG
KNX Power supply 1280 mA
Product code:
21280REG
Supplying KNX devices with bus voltage
Description
Intended use
- Supplying KNX devices with bus voltage
- Supplying devices with DC voltage
- Mounting on DIN rail according to EN 60715 in distribution boxes
Product Characteristics
- Output with integrated choke for supplying KNX bus lines
- Output DC 30 V for supplying additional devices
- Nominal current can be subdivided to outputs as desired
- Reset button
- Short-circuit proof
- Overvoltage proof
- No-load protection
- Suitable for operation in systems with emergency power supply
- Floating signal contact for operating and diagnostic message
Technical Details
Specification
Rated voltage: AC 200 ... 240 V ~
Mains frequency: 50/60 Hz
Power loss (max. load on all outputs): max. 1.5 W
Efficiency: approx. 76 %
Rated voltage: DC 240 ... 250 V
KNX
KNX medium: TP 256
Bus output voltage: DC 28 ... 31 V SELV
Output current: 1280 mA (all outputs)
Short-circuit current: max. 1 A
Parallel operation with identical power supply: yes
Signal 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)
Mounting width: 108 mm (6 rail units)
Connection mode: screw terminals
Stranded with ferrule: 1 x 0.5 ... 2.5 mm_
Properties
Properties
| Technology | KNX |
| Brand | JUNG |
| Mounting | DIN Rail |
| Output Rating | 1280mA |
| Mounting Width | 6MW |
