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      General Electric IS420ESWBH3A
      General Electric IS420ESWBH3A
      General Electric IS420ESWBH3A
      General Electric IS420ESWBH3A
      General Electric IS420ESWBH3A
      General Electric IS420ESWBH3A

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      Ethernet IONet Switch

      IS420ESWBH3A

      Spare Part Number

      PNIS420ESWBH3A

      Product Information:

      IS420ESWBH3A is an Ethernet IONet Switch manufactured 
      and designed by General Electric as part of the Mark Vle Series 
      used in GE Distributed Gas Turbine Control Systems. 
      It is available in 8 ports, 10/100BASE-TX.The ESWB Ethernet 
      10/100 switches are specially designed to meet the needs 
      of real-time industrial control solutions and are required for all 
      IONet switches used in Mark Vle & VleS safety control systems.
      It is a DIN - Rail mounting module.To meet the requirements for 
      speed and functionality the following features are provided


      Product image is representative; revision or series may vary. Contact us to request a specific version.
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      Technical specifications for

      IS420ESWBH3A

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        General Electric
      • Product Category:
        Gas Turbine Control
      • Spare Part Number:
        IS420ESWBH3A
      • Estimated shipping dimensions:
        20x9.5x5.7cm
      • Weight:
        0.72 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Software:
        ControlST V04.03.18C
      • Relative humidity:
        5% to 95%, no-condensing
      • Power Requirements:
        +32 V dc to 18 V dc
      • Memory:
        256MB DDR SDRAM
      • Weight:
        2Ibs
      • Series:
        GE Mark VIe
      • Stock Availability:
        40
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      PRODUCT & ORDER FAQS

      Questions buyers ask about IS420ESWBH3A

      • What intrinsic networking function does the IS420ESWBH3A serve within a Mark VIe distributed control and automation topology?

        The IS420ESWBH3A is an industrial‑grade Ethernet IONet switch designed to establish a fault‑tolerant communications backbone within GE’s Mark VIe/Mark VIeS Speedtronic control systems, enabling deterministic data exchange between controllers, I/O modules, and supervisory devices.

      • How does the IS420ESWBH3A achieve real‑time Ethernet communication in industrial control environments?

        By implementing 16 10/100 Mbps copper RJ‑45 ports with auto‑negotiation and high buffer capacity, the IS420ESWBH3A facilitates low‑latency packet forwarding optimized for real‑time operational data and diagnostics crucial to turbine control and process automation networks.

      • In what ways is the IS420ESWBH3A engineered to endure harsh industrial environments and maintain operational continuity?

        The IS420ESWBH3A is designed with convection cooling, fanless thermal management, and a wide operating range — typically from −40 °C to +70 °C — alongside industrial certifications (e.g., Class 1 Div 2/Zone 2, ATEX) to ensure rugged reliability under temperature extremes, vibration, humidity and hazardous conditions.

      • What redundancy mechanisms are supported by the IS420ESWBH3A to minimize network downtime and single points of failure?

        The IS420ESWBH3A supports redundant dual DC power inputs, often diode‑OR’d, which ensures continuous operation even if one supply fails, thereby enhancing system availability and resilience in mission‑critical networks.

      • How do the diagnostic indicators on the IS420ESWBH3A facilitate maintenance and network health monitoring?

        The IS420ESWBH3A integrates multi‑color LED indicators on each Ethernet port and power feeds, providing immediate visual feedback on link presence, activity, speed, duplex mode and overall power state — a key aid in on‑site troubleshooting and rapid fault isolation.

      • What cabling standards and auto‑sense capabilities are integrated into the IS420ESWBH3A to support flexible network topologies?

        The IS420ESWBH3A supports Cat 5e UTP cabling with HP‑MDIX auto‑sensing and full/half duplex auto‑negotiation, enabling it to adapt to diverse field devices and reduce manual crossover or port configuration complexities during deployment.

      • How does the IS420ESWBH3A integrate with higher‑level industrial protocols and control software suites?

        While the IS420ESWBH3A primarily functions as a Layer 2 IONet Ethernet switch, it is engineered to coexist seamlessly within GE Mark VIe networks that utilize protocols such as Modbus TCP/IP and to integrate with system configuration tools like GE ControlST/ToolboxST where required for network diagnostics.
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          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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