PS 1280 mA T KNX – Power supply with basic KNX system monitoring
€251,55 Incl. tax €437,46 Incl. tax. Out of stock, but available
Specifications
Information
PS 1280 mA T KNX – Power Supply and Basic Monitoring for KNX
Item No.: 9070959
Application
The PS 1280 mA T KNX is a high-performance power supply unit for KNX installations. It provides system voltage for one KNX line and includes basic voltage monitoring. With a rated output of 1280 mA, it is ideal for larger installations. The device includes an integrated choke, permanent short-circuit protection, and a manual bus reset button. It mounts easily on a DIN rail.
Features
- Supplies the KNX bus with 1280 mA nominal current
- Output voltage: 30 V DC (SELV)
- Additional auxiliary voltage: 30 V DC
- Reset button for manual 20-second bus reset
- Integrated choke for one KNX line
- Permanently short-circuit-proof up to 3 A
- Status indication via LED
- Compact design: 4 DIN modules wide
Technical Data
- KNX operating voltage: Bus voltage, ≤ 12 mA
- Mains voltage: 220–240 V AC, 50–60 Hz
- Frequency: 50 – 60 Hz
- Standby consumption: ≤ 0.8 W
- Width: 4 modules (DIN rail, 72 mm)
- Mounting: DIN rail (TH35 according to EN 60715)
- Connection type: KNX bus terminal
- KNX output: 1 line with integrated choke
- KNX nominal voltage: 30 V DC, ±2 V, SELV
- KNX nominal current: 1280 mA
- Max. short-circuit current: 3 A (continuous)
- Mains failure bridging time: ≥ 130 ms
- Ambient temperature: -5 °C to +45 °C
- Protection class: II according to EN 60730-1
- Degree of protection: IP 20 (for dry indoor spaces)
Important Note
The PS 1280 mA T KNX is designed for use with one single KNX line and must not be operated in parallel with other power supplies without galvanic isolation. Ensure proper installation and adequate ventilation in the control cabinet to avoid overheating or system malfunctions.
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