R. STAHL 9494/A1-B0 IS1+ Remote I/O BusRail Beginning

Genuine R. STAHL 9494/A1-B0 IS1+ Remote I/O BusRail Beginning/Termination Unit, engineered for reliable integration within hazardous-area industrial automation and process-control systems. This high-quality R. STAHL IS1+ BusRail component (Article No. 261933) provides the essential backplane interface for compatible IS1+ Remote I/O assemblies, featuring redundant intrinsically safe data communication and high-availability PowerBus functionality. Clearly marked for demanding hazardous-location applications, the unit carries ATEX, IECEx and FM certification markings, including Ex ia IIC T4 Gb, with an operating ambient temperature range of -40°C to +75°C. A valuable choice for industrial automation, process instrumentation, oil & gas, chemical, petrochemical and other classified-area installations requiring genuine R. STAHL components. Please review the photographs carefully for exact condition, markings and configuration, and verify compatibility with your existing IS1+ system before purchase.

Specifications:

• Brand: R. STAHL
• Series: IS1+
• Model: 9494/A1-B0
• Article / Part No: 261933
• System: R. STAHL IS1+ Remote I/O
• Protection Type: Ex ia
• Gas Group: IIC
• Temperature Class: T4
• Ambient Temperature: -40°C to +75°C
• Hazardous Area Rating: Class I, II, III Division 1; Zone 1 applications
• Mounting: DIN Rail / compatible IS1+ system installation
• Function: BusRail beginning/termination and backplane interconnection

Applications:

• Industrial Automation & Process Control
• Hazardous Area Remote I/O Systems
• Oil & Gas Facilities
• Petrochemical & Chemical Plants
• Refineries & Processing Facilities
• Power Generation & Utilities
• Tank Farms & Terminals
• Instrumentation & Control Systems
• Classified Zone 1 / Zone 2 Installations
• Intrinsically Safe IS1+ Remote I/O Networks
• Replacement or expansion of existing R. STAHL IS1+ installations