{"product_id":"general-electric-is420eswbh3a-mark-vie-industrial-ethernet-switch","title":"General Electric IS420ESWBH3A Mark VIe Industrial Ethernet Switch","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe GE IS420ESWBH3A is an industrial unmanaged Ethernet switch designed for real-time control applications within the Mark VIe and Mark VIeS Safety control systems. As a core component of the \u003cstrong\u003eIONet infrastructure\u003c\/strong\u003e, this device provides the deterministic, high-speed connectivity required for critical turbine control networks. Operating with a dual independent 24\/28 V dc input structure that is \u003cstrong\u003eDiode-OR'd for hardware-level power redundancy\u003c\/strong\u003e, the module ensures high system availability. Unlike variants equipped with fiber-optic uplinks, this specific model features a high-density \u003cstrong\u003e16-port copper configuration\u003c\/strong\u003e using standard RJ-45 interfaces, delivering seamless physical system compatibility without the complexity of optical transceivers in localized control panels.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n\u003cli\u003eFull operational compatibility with IEEE 802.3, 802.3u, and 802.3x automation networking standards.\u003c\/li\u003e\n\u003cli\u003eProvides 16 auto-negotiating 10\/100Base-TX copper ports equipped with robust RJ-45 connectors.\u003c\/li\u003e\n\u003cli\u003eIntegrated HP-MDIX auto-sensing across all ports to eliminate internal crossover cabling dependencies.\u003c\/li\u003e\n\u003cli\u003eDual-color port LEDs providing real-time local diagnostics for Link Presence, Activity, Duplex, and Channel Speed.\u003c\/li\u003e\n\u003cli\u003eDedicated power diagnostic LED verifying operational voltage across the internal logic circuitry.\u003c\/li\u003e\n\u003cli\u003eHigh-capacity memory architecture including a minimum 256 KB packet buffer and a 4 K MAC address table.\u003c\/li\u003e\n\u003cli\u003eG3 conformal coating as standard for advanced environmental protection against airborne contaminants.\u003c\/li\u003e\n\u003cli\u003eNon-interfering safety rating allowing mixed deployment across standard and safety-instrumented system layers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n\u003cli\u003eReal-time deterministic IONet switches inside Mark VIe gas, steam, or hydro turbine control frameworks.\u003c\/li\u003e\n\u003cli\u003eSafety network distribution layers within Mark VIeS Functional Safety control enclosures.\u003c\/li\u003e\n\u003cli\u003eHigh-density distribution blocks for power generation balance-of-plant (BOP) unmanaged sub-networks.\u003c\/li\u003e\n\u003cli\u003eCorrosive industrial environments requiring certified Class 1, Div 2 or ATEX Zone 2 protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #1a365d; text-align: left;\"\u003e\n\u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eModel Number\u003c\/th\u003e\n\u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eCopper Ports\u003c\/th\u003e\n\u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eFiber Ports \/ Interface Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eIS420ESWBH1A\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e16 Ports (10\/100Base-TX)\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e1 Port 100Base-FX, Multi-Mode Fiber (LC-Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eIS420ESWBH2A\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e16 Ports (10\/100Base-TX)\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e2 Ports 100Base-FX, Multi-Mode Fiber (LC-Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eIS420ESWBH3A\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e16 Ports (10\/100Base-TX)\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eNo Fiber Ports (All-Copper Option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eIS420ESWBH4A\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e16 Ports (10\/100Base-TX)\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e1 Port 100Base-LX10, Single-Mode Fiber (LC-Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eIS420ESWBH5A\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e16 Ports (10\/100Base-TX)\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e2 Ports 100Base-LX10, Single-Mode Fiber (LC-Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTechnical Specifications Table\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #1a365d; text-align: left;\"\u003e\n\u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eGeneral Electric (GE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eMark VIe IONet Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eLife-cycle Status\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eActive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCopper Ports\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e16 ports, 10\/100Base-TX copper, RJ-45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eFiber Ports\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eNo fiber ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePower Requirements\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e24\/28 V dc, 1 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePower Hardware Configuration\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eTB1 and TB2 inputs for independent power sources, Diode-OR'd for hardware redundancy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePower Supply Connector\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003ePhoenix contact (MC 1.5\/S-STF-3.81) (qty 2, Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCopper Cables\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eCat 5e UTP cable with RJ-45 connectors (8P8C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCooling\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eConvection cooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSafety Rated Capability\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eNon-interferring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eG3 Compliant\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eHazardous Locations\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eClass 1, Div 2\/ Class 2, Zone 2 \/ ATEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eAmbient Operational Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e-40 to 70 degC (-40 to 158 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e-40 to 85 degC (-40 to 185 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e18.8 x 8.6 x 5.6 cm (7.40 x 3.40 x 2.20 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMounting Method\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eDIN-rail mounted with separately purchased mounting clip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #1a365d; text-align: left;\"\u003e\n\u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eConnector Pin \/ Terminal\u003c\/th\u003e\n\u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eFunction \/ Circuit Assignment\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRJ-45 Ports 1 to 16\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003e10\/100Base-TX unmanaged Ethernet lines for processing node communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eTB1 Terminal Connection\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003ePrimary 24\/28 V dc control system power input feed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eTB2 Terminal Connection\u003c\/td\u003e\n\u003ctd style=\"padding: 0.75rem;\"\u003eSecondary 24\/28 V dc hot-standby power input feed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen updating network assets within the Mark VIe topology, engineers must cross-reference the fiber requirements of the downstream I\/O racks. The \u003cstrong\u003eIS420ESWBH3A\u003c\/strong\u003e contains zero fiber interfaces and cannot directly replace an \u003ca href=\"https:\/\/www.plcprotech.com\/products\/general-electric-mark-vie-is420eswbh1a-ethernet-ionet-switch-10-100base-tx\"\u003e\u003cstrong\u003eIS420ESWBH1A\u003c\/strong\u003e\u003c\/a\u003e if the existing infrastructure utilizes the 100Base-FX multi-mode LC uplink port to span long structural distances. However, if the fiber interface on an existing H1A module is unused, the H3A serves as a direct drop-in replacement with identical power layouts and physical envelope. For fields migrating from the compact 8-port ESWA form factor to the 16-port ESWB layout, ensure control cabinet layouts can support the increased height clearance (18.8 cm vs 13.8 cm).\u003c\/p\u003e\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eA common operational mistake involves combining multi-mode fiber runs with single-mode variations (H4A\/H5A models) when trying to scale out copper lines with alternative ESWB units. Because the H3A completely omits optical elements, it is immune to optical signal attenuation pitfalls but remains limited to the 100-meter copper transmission ceiling defined by Cat 5e specifications. In unventilated control boxes experiencing high ambient thermal loads near the 70 degC maximum operating limit, the switch must be spaced away from adjacent high-dissipation power modules to prevent localized thermal clustering, as it relies strictly on convection passive cooling mechanisms.\u003c\/p\u003e\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDuring the commissioning phase, verify that both separate terminal paths (TB1 and TB2) originate from isolated power distribution points to achieve genuine dual-source infrastructure redundancy. When attaching network cables, ensure the shield of the Cat 5e cable makes continuous low-resistance contact with the metal shroud of the RJ-45 ports. This configuration routes high-frequency electrical noise out of the signal lines and into the DIN rail ground path, preventing network packet loss caused by nearby turbine ignition systems or variable frequency drives.\u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n\u003cp style=\"color: #9b2c2c; margin: 0; font-weight: bold;\"\u003eCRITICAL WARNING:\u003c\/p\u003e\n\u003cp style=\"color: #9b2c2c; margin: 0.25rem 0 0 0;\"\u003eIsolate and lock out all live industrial DC voltage feeds connected to terminal headers TB1 and TB2 before executing mounting or physical terminal block modifications. Working on energized components poses a risk of bridging networks or causing arc flash events that can damage internal logic components or cause personal injury. Confirm that field power sources match the 24\/28 V dc system parameters prior to wire insertion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; color: #2d3748; margin-bottom: 1.5rem;\"\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 0.75rem;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; justify-content: center; min-width: 1.75rem; height: 1.75rem; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; font-weight: bold; font-size: 0.9rem;\"\u003e1\u003c\/div\u003e\n\u003cdiv style=\"padding-top: 0.15rem;\"\u003eIdentify the intended structural orientation. Secure the separate mounting hardware component to the rear of the device frame using the factory screws. Utilize clip \u003cstrong\u003e259B2451BVP1\u003c\/strong\u003e to orient the long edge parallel to the rail, or clip \u003cstrong\u003e259B2451BVP4\u003c\/strong\u003e to secure it perpendicular to the rail layout.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 0.75rem;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; justify-content: center; min-width: 1.75rem; height: 1.75rem; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; font-weight: bold; font-size: 0.9rem;\"\u003e2\u003c\/div\u003e\n\u003cdiv style=\"padding-top: 0.15rem;\"\u003eSnap the structural base bracket onto a clean, grounded 35 mm DIN rail structure. Verify the assembly locks securely into position and maintains solid metal-to-metal bonding connection for proper EMI\/RFI shielding dispersion.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 0.75rem;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; justify-content: center; min-width: 1.75rem; height: 1.75rem; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; font-weight: bold; font-size: 0.9rem;\"\u003e3\u003c\/div\u003e\n\u003cdiv style=\"padding-top: 0.15rem;\"\u003eTerminate the DC power supply lines into the provided 5-pin Phoenix Contact plugs (MC 1.5\/S-STF-3.81). Connect the separate feeds to TB1 and TB2 to instantiate hardware-level power path redundancy, then tighten the integrated retaining fasteners.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; gap: 0.75rem;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; justify-content: center; min-width: 1.75rem; height: 1.75rem; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; font-weight: bold; font-size: 0.9rem;\"\u003e4\u003c\/div\u003e\n\u003cdiv style=\"padding-top: 0.15rem;\"\u003ePlug the Category 5e UTP control cables into the standard RJ-45 copper sockets (Ports 1 through 16). Ensure the locking mechanisms engage completely and map port assignments in accordance with the site's network configuration records.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52695412343147,"sku":"IS420ESWBH3A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/general-electric-is420eswbh3a-ionet-switch-board-wbdrlvsembe_7eb278ee-9048-4640-ad45-dfad948008a8.jpg?v=1766135108","url":"https:\/\/www.plcprotech.com\/products\/general-electric-is420eswbh3a-mark-vie-industrial-ethernet-switch","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}