GE IS420ESWBH3A Industrial Ethernet Switch

GE IS420ESWBH3A

Basic Information

• Manufacturer: GE Vernova / General Electric
• Model: IS420ESWBH3A
• Type: Unmanaged industrial Ethernet switch (IONet)
• Platform: GE Speedtronic Mark VIe / VIeS turbine control systems
• Application: Real-time control networks for power generation, oil & gas, and industrial automation

Specifications

• Ports: 16 × 10/100Base‑TX RJ45 (copper only, no fiber)
• Standards: IEEE 802.3, 802.3u, 802.3x; auto‑negotiation, auto MDI‑X
• Buffer: 256 KB; 4K MAC address table
• Power: 24/28 VDC, redundant input, ~15 W
• Operating Temp: −40 °C to +70 °C (fanless convection cooling)
• Protection: IP30/IP40; vibration/shock/EMI resistant
• Mounting: DIN rail or panel mount (GE clips)
• Safety: IEC 61508 SIL3 (as part of Mark VIeS)
• Certifications: CE, UL, RoHS; Class 2, Zone 2 hazardous area rated

Key Features

• Unmanaged plug‑and‑play: no configuration required
• High reliability for real‑time IONet traffic: multicast/broadcast buffering
• Harsh environment design: wide temperature, fanless, rugged metal case
• LED indicators: power, link/activity, duplex, speed per port
• Hot‑swap capable (system‑dependent)

The structure and details of the product：