Gira Push-button Interface 4-fold KNX Secure 518400

KNX push-button interface with four potential-free inputs for connecting conventional push-buttons, switches, or window contacts. Supports KNX Secure for encrypted communication and integrates seamlessly into KNX bus systems.

Advantages

Enables integration of standard push-buttons into KNX installations. Four independent inputs can be configured for switching, dimming, blind control, scene recall, or value transmission. KNX Secure ensures protected data transmission. Compact flush-mounted design fits standard boxes.

Suitable for

• KNX installations requiring binary inputs
• Connecting conventional push-buttons or switches
• Applications needing secure KNX communication

Key specifications

• Number of inputs: 4
• Bus system: KNX
• KNX Secure: Yes
• Power supply: via KNX bus (21–32 V DC)
• Mounting type: flush-mounted
• Protection class: IP20
• Ambient temperature: -5 °C to +45 °C
• Installation depth: approx. 28 mm

Recommendations

Ideal for retrofitting existing push-buttons into KNX smart home systems with secure communication.