JUNG 400081SE KNX Push-button Interface, 4-fold, DIN Rail

The KNX push-button interface connects up to four conventional push-buttons or potential-free contacts to the KNX bus, enabling switching, dimming, blind control, and scene recall. Its compact 1 TE (17.5 mm) DIN rail housing fits standard distribution boards and is powered directly from the KNX bus.

Advantages

Each of the four inputs can be configured independently for edge triggering, cyclic sending, or counter functions. The device supports a maximum cable length of 10 m to each input and is programmed with ETS software.

Suitable for

• Integrating existing push-buttons into KNX installations
• Controlling lighting, blinds, and shutters
• Sending values and recalling scenes
• DIN rail mounting in electrical cabinets

Key specifications

• Bus system: KNX
• Number of inputs: 4
• Mounting: DIN rail (REG), 1 TE (17.5 mm)
• Power supply: via KNX bus, approx. 5 mA
• Protection class: IP20
• Operating temperature: -5 to +45 °C
• Relative humidity: 5 to 93 % (non-condensing)
• Housing material: plastic
• Housing colour: light grey / white
• Configuration software: ETS

Recommendations

For reliable operation, ensure the KNX bus voltage is present and use twisted pair cable for the inputs, keeping cable lengths within 10 m.