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Product Name: Industrial Ethernet IONet Switch
Brand Name: GE
Model Number:IS420ESWBH3A
Country of Origin:USA
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
General Electric |
Model Number: |
IS420ESWBH3A |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
Delivery time in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Parameter |
Specification |
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Part Number |
IS420ESWBH3A |
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Manufacturer |
General Electric (GE) / GE Grid Solutions |
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Series |
Mark VIe / Mark VIeS Speedtronic |
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Product Type |
Industrial Unmanaged Ethernet IONet Switch |
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Copper Ports |
16 × 10/100Base-TX RJ45 ports (Auto-MDIX) |
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Fiber Ports |
None (copper-only “H3” configuration) |
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Data Rate |
10/100 Mbps with auto-negotiation |
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MAC Address Table |
4,000 entries |
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Data Buffer |
Minimum 256 KB |
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Switching Architecture |
Store-and-forward, level-one Ethernet switch |
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Operating Temperature |
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Storage Temperature |
–40°C to +85°C |
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Input Power |
24/28 V DC (operating range 18–32 V DC) |
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Power Redundancy |
Dual redundant diode-OR’d inputs |
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Power Consumption |
~15 W typical |
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Cooling Method |
Convection cooled (fanless) |
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Dimensions (H × W × D) |
20x18.8x5.7cm |
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Weight |
0.66kg |
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Mounting |
DIN rail (parallel or perpendicular); panel mount optional |
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DIN Rail Clips |
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Indicators |
Power, Link, Activity, Speed, Duplex (bi-color LEDs) |
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Protocols Supported |
IONet (proprietary), TCP/IP, UDP, ARP, ICMP, IEEE 1588 PTP |
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IEEE Compliance |
802.3, 802.3u, 802.3x |
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Certifications |
UL, CE, Class I Div 2, RoHS |
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Country of Origin |
United States (USA) |
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Availability |
In Stock |
The IS420ESWBH3A is an unmanaged industrial Ethernet IONet switch developed by GE for the Mark VIe and Mark VIeS Speedtronic turbine control systems. The IS420ESWBH3A functions as a level‑one network switch, providing 16 10/100Base‑TX copper RJ45 ports without fiber uplinks. Designed to meet the demanding real‑time communication requirements of distributed control architectures, the IS420ESWBH3A delivers deterministic packet switching, multicast and broadcast buffering, and dual redundant power inputs. With a wide –40°C to +70°C operating range and fanless convection cooling, the IS420ESWBH3A ensures reliable, low‑latency data exchange between controllers, I/O packs, and HMIs in harsh industrial environments.
Gas turbine distributed control systems (IONet backbone)
Steam turbine monitoring and control networks
Mark VIe/VIeS Safety control system communication
Wind turbine control assemblies and automation
Power generation plants requiring real‑time controller‑to‑I/O data exchange
Offshore platforms and petrochemical facilities
Industrial manufacturing networks with high‑availability requirements
Redundant ring topologies (HSRN) for turbine control cabinets
6 high‑density copper ports: Provides 16 × 10/100Base‑TX RJ45 ports with Auto‑MDIX for flexible cable management, eliminating the need for crossover cables and reducing installation errors.
Zero‑configuration deployment: Fully unmanaged plug‑and‑play operation — no IP addresses, spanning‑tree protocols, or complex setup required, significantly reducing commissioning time.
Dual redundant power inputs: Diode‑OR’d 24/28 V DC inputs prevent single power supply failure from collapsing the IONet, ensuring continuous operation in critical turbine control loops.
Wide environmental tolerance: Operates reliably from –40°C to +70°C with fanless convection cooling, G3 conformal coating for corrosion resistance, and industrial shock/vibration immunity — suitable for turbine halls and outdoor cabinets.
Deterministic low‑latency switching: Store‑and‑forward architecture with 256 KB buffer and 4K MAC address table ensures predictable frame forwarding, critical for real‑time Speedtronic control loops.
Comprehensive LED diagnostics: Bi‑color LEDs per port indicate link presence (yellow = 10 Mbps / green = 100 Mbps), activity status (flashing green = full duplex / flashing yellow = half duplex), and overall power status.
Redundant network ring support: Capable of forming HSRN redundant ring topologies with failover recovery <50 ms, maintaining network continuity during link or device failures.
Precision time synchronization: Supports IEEE 1588 Precision Time Protocol (PTP) for sub‑microsecond clock alignment across Mark VIe components, eliminating dedicated IRIG‑B wiring requirements.
IEEE 802.1Q VLAN isolation: Enables secure data separation between control, monitoring, and safety networks within the same physical infrastructure.
Flexible mounting options: DIN rail mountable in parallel or perpendicular orientation using GE‑qualified clips (259B2451BVP1/BVP4), plus optional panel mounting capability.
Full IEEE compliance: Conforms to 802.3 (Ethernet), 802.3u (Fast Ethernet), and 802.3x (Flow Control) standards for broad interoperability.
Acts as a level‑one Ethernet switch that buffers multicast and broadcast packets, ensuring deterministic frame forwarding within the Mark VIe IONet.
Provides physical layer connectivity between Mark VIe controllers (UCSB, VCMI), I/O packs (IS220 series, EPDM, EPBP, VSVO, VPRO), and local HMIs, enabling high‑speed data acquisition and real‑time control loops.
Performs store‑and‑forward switching with a 256 KB data buffer that can hold one packet per port, accepting multiple incoming streams and buffering the remainder for later transmission.
Automatically negotiates 10/100 Mbps data rates and full/half duplex modes per port, adapting to the capabilities of connected field devices without manual intervention.
Provides electrical isolation between network segments via transformer‑coupled Ethernet ports, protecting sensitive controller electronics from field‑side surges.
Enables redundant ring network architectures (HSRN) with failover recovery times under 50 ms, automatically rerouting traffic when a link or switch fails.
Delivers real‑time port status and network health information via bi‑color LED indicators, simplifying on‑site troubleshooting without external diagnostic tools.
Synchronizes distributed I/O packs and controllers using IEEE 1588 PTP, maintaining sub‑microsecond time alignment for coordinated event time‑stamping and sequence‑of‑event recording.
Supports VLAN isolation (IEEE 802.1Q) to segregate control, monitoring, and safety traffic, improving network security without additional hardware.
Operates continuously in extreme environments (–40°C to +70°C) with fanless convection cooling, eliminating moving parts that can fail in dusty or vibration‑prone turbine enclosures.
Q1: What is the IS420ESWBH3A used for?
A1: The IS420ESWBH3A is an industrial unmanaged Ethernet IONet switch that provides reliable, high‑speed network connectivity between controllers, I/O packs, and HMIs within GE Mark VIe and Mark VIeS turbine control systems.
Q2: How many ports does the IS420ESWBH3A have, and are fiber ports available?
A2: The IS420ESWBH3A has 16 10/100Base‑TX copper RJ45 ports. This “H3” configuration does not include any fiber ports — it is a copper‑only switch.
Q3: Does the IS420ESWBH3A support redundant power inputs?
A3: Yes, the IS420ESWBH3A features dual redundant 24/28 V DC power inputs with diode‑OR’d architecture. If one power supply fails, the switch continues operating without interruption.
Q4: What is the operating temperature range of the IS420ESWBH3A ?
A4: The IS420ESWBH3A operates reliably from –40°C to +70°C, making it suitable for harsh industrial environments including turbine halls, offshore platforms, and outdoor cabinets.
Q5: Can the IS420ESWBH3A be used in redundant ring network topologies?
A5: Yes. The IS420ESWBH3A supports HSRN redundant ring configurations with failover recovery times under 50 ms, ensuring continuous communication even during link or switch failures.
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