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US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX

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    Buy cheap US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX from wholesalers
     
    Buy cheap US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX from wholesalers
    • Buy cheap US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX from wholesalers
    • Buy cheap US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX from wholesalers
    • Buy cheap US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX from wholesalers

    US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX

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    Model Number : US/U 4.2
    Payment Terms : T/T,Western Union
    Delivery Time : 7 Days
    Certification : CE
    Brand Name : ABB
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    US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX

    US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX
    Product Overview

    The US/U 4.2 is a professional-grade component of the ABB i-bus® KNX smart building ecosystem, engineered to deliver exceptional reliability, energy efficiency, and operational scalability for modern intelligent infrastructure.

    As part of the globally recognized Binary Input series, this device represents the convergence of high-performance hardware design and flexible software logic, ensuring seamless coordination across diverse building services including lighting, HVAC, or system maintenance.

    Designed for DIN-rail or decentralized installation, the US/U 4.2 facilitates modular system architecture, allowing building operators to optimize environmental parameters and reduce energy overhead. Built with sustainable materials and future-ready technology, this device is a critical building block for achieving high-performance infrastructure standards such as LEED, BREEAM, and Green Premium.

    Technical Specifications
    Product ModelUS/U 4.2
    Product RangeABB i-bus® KNX System
    Communication ProtocolStandard KNX TP1 (S-Mode / PL-Link compatible)
    Interface Configuration & Channels4 independent channels for binary input monitoring
    Rated Operating VoltageInternal scanning voltage provided by the bus
    Power SupplyBus-powered via KNX line (DC 24-30 V SELV) or external auxiliary supply
    Functional Sensing & Diagnostic ElementsSupport for short/long push-button actions, Toggle, dimming, and blind control logic
    Network Topology SupportSupports star, daisy-chain, and branch-based bus architectures
    Wiring InterfaceMaintenance-free PUSH-IN or industrial screw terminals for secure field connectivity
    Operating Temperature-5°C to +45°C (typical indoor operational range)
    Housing MaterialHalogen-free, Flame-retardant industrial grade polycarbonate
    Ingress ProtectionIP20 (Indoor installation environments)
    CertificationsCE Marked, RoHS, REACH, KNX Certified, BTL Listed, Green Premium
    Application Scenarios
    The US/U 4.2 is specified for mid-density interface requirements in residential and light commercial zones. It typically manages a combination of window contacts and manual control buttons in a single room, ensuring that HVAC systems automatically setback when windows are opened, thus maximizing energy savings in climate-controlled environments.
    Quality US/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage Floating Contacts KNX for sale
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