Gira KNX ONE 503000 Switching and Blind Actuator 24x/12x 16 A Standard

24 switching channels and 12 blind channels, each rated at 16 A, make the Gira KNX ONE 503000 a powerhouse for large KNX installations. This DIN-rail mounted actuator handles both lighting and shutter control with a single device, reducing wiring and installation time.

Overview

The Gira KNX ONE 503000 is a KNX switching and blind actuator designed for professional building automation. It connects to the KNX bus via twisted pair and offers 24 independent switching outputs and 12 blind/shutter outputs, each capable of switching up to 16 A resistive load (230 V AC). The device is intended for mounting on a DIN rail (EN 60715) and occupies 12 TE (216 mm) of space.

What stands out

• 24 switching channels and 12 blind channels in one compact unit
• High switching capacity: 16 A per channel, 3680 W ohmic load
• Integrated manual operation with push buttons for each channel
• Supports scene management, time functions, staircase lighting, and logic functions
• Built-in thermal and short-circuit protection

Technical details

• Bus system: KNX TP (Twisted Pair)
• Rated voltage: 230 V AC, 50/60 Hz
• Switching capacity (LED load): 400 W per channel (max. 10 A capacitive)
• Mounting type: DIN rail (EN 60715)
• Module width: 12 TE (216 mm)
• Protection class: IP20
• Operating temperature range: -5 °C to +45 °C
• Connection type: Screw terminals
• Power consumption (KNX bus): Max. 10 mA
• Number of logic gates: 6 (AND/OR)
• Configuration software: ETS (Engineering Tool Software)

Our verdict

With its high channel count and robust 16 A switching capacity, the Gira KNX ONE 503000 is an excellent choice for large residential or commercial KNX projects requiring both lighting and blind control.