Gira RF Multi Actuator KNX Secure 511500 – 8-Channel Heating Actuator

Control up to eight thermal actuators with the Gira RF Multi Actuator KNX Secure 511500, a multi-channel heating actuator that communicates wirelessly via KNX RF Secure at 868.3 MHz. It offers individual room temperature control, valve protection, frost protection, error detection, and status feedback, all configurable via ETS.

Overview

The Gira RF Multi Actuator is a DIN rail mountable device (4 TE) that provides switching outputs for thermal actuators. Each of its 8 channels can be configured for 230 V AC or 24 V AC/DC, with a maximum switching current of 0.5 A per channel. The actuator is powered by 230 V AC and consumes a maximum of 2 W.

What stands out

• 8 independent channels for thermal actuators
• Wireless KNX RF Secure communication
• Selectable output voltage: 230 V AC or 24 V AC/DC
• Integrated valve protection and frost protection
• Compact DIN rail mounting (4 TE)

Technical details

• System: KNX RF Secure
• Frequency band: 868.3 MHz
• Number of channels: 8
• Output type: Switching outputs for thermal actuators
• Max. switching current per channel: 0.5 A (resistive load)
• Power supply: 230 V AC, 50/60 Hz
• Power consumption: max. 2 W
• Mounting: DIN rail (4 TE) or surface mounting
• Protection class: IP20
• Operating temperature: -5 °C to +45 °C
• Connection type: Screw terminals
• Programming: ETS

Our verdict

A reliable and secure solution for multi-zone heating control, ideal for KNX RF installations where wired bus connections are impractical.