| Technical Data | Value |
|---|---|
| Auxiliary power supply terminal | Screw terminal 12–30 VDC / GND |
| Power consumption KNX bus (typ.) | < 16 mA @ 29 VDC |
| Operating temperature | +5 °C to +45 °C |
| Enclosure dimensions | 2 SU |
| Mounting | DIN rail |
| KNX terminal | Pluggable micro terminal, Red/Black, 4-pole PUSH WIRE for solid conductor wire 0.6–0.8 mm² |
| KNX bus voltage | 29 VDC |
| Ethernet | RJ45 connector |
| Communication protocol (events) | SIA over local Ethernet |
| Communication protocol (commands) | Encrypted AJAX cloud protocol (internet required) |
| Maximum zones | 96 per gateway |
| Maximum areas | 4 per gateway |
| Galvanic isolation | Yes (KNX bus) |
KNX Gateways for Alarm Systems / AJAX-KNX User Manual
Technical data
Electrical ratings, mounting, connections, operating limits and supported system capacity.
elausys · 19 September 2026Frequently Asked Questions
What are the supply and operating temperature limits?
The auxiliary supply is 12-30 VDC. The operating temperature range is +5 °C to +45 °C.
How is the gateway mounted?
The gateway mounts on a DIN rail and occupies two space units.
Keep exploring
Find the other guides for this product in the documentation.
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