US/U4.3 KNX Universal Interface 4-fold
€74,00
In stock
US/U4.3 KNX Universal Interface 4-fold: Flush Mount, Data Secure and 4-Point Flexibility
Engineered for modern security requirements, the interface supports the KNX Data Secure standard, ensuring communication encryption and enhanced system integrity. Its small dimensions make it ideal for discreet installation directly behind switches or in flush-mounted boxes.
The US/U4.3 is also capable of handling analog signals (0–10 V / 4–20 mA) across all 4 channels, expanding its versatility beyond simple switching applications while maintaining a very low power loss of just 0.25 W.
1. US/U4.3 KNX Universal Interface 4-fold: Flexibility, Security, and Integration
Designed for easy integration and robust communication within the KNX system.
Functionality and Configuration:
- Channels: 4 independent channels that can be configured as inputs (push-buttons, contacts) or outputs (LEDs).
- Conventional Integration: Perfect for connecting standard push-buttons, switches, and pilot LEDs to the KNX bus.
- Analog Capability: Handles analog input signals such as 0–10 V or 4–20 mA from various sensors.
- Security: Supports the KNX Data Secure standard for secure telegram transmission.
Installation and Consumption:
- Mounting Type: Designed for Flush Mounted (FM) installation, ensuring discretion.
- Dimensions: Extremely compact (39 mm H x 40 mm D x 12 mm W).
- Low Power: Very low power loss of just 0.25 W.
2. Technical Details and Actuator Pairing
This interface serves as a vital bridge between physical controls and the KNX automation system.
- Input Voltage: Pulsed 20 V.
- Output Voltage (LED): 3.3 V DC (max 5 mA).
- Pairing: Push-buttons connected to this interface typically control a KNX Switch Actuator or a KNX Dimmer Actuator (Internal Links).
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