Product Description

Overview

The GE IS420ESWAH3A is an industrial-grade Ethernet switch designed for the Mark VIe/VIeS turbine control systems. It ensures deterministic, real-time communication across IONet networks, enabling reliable coordination between controllers, I/O modules, and operator interfaces. Moreover, its rugged construction allows it to operate in harsh industrial environments, including high-temperature, high-humidity, and corrosive conditions.

This switch supports precise timing and network redundancy, making it ideal for applications requiring millisecond-level interlocks and protection functions. In addition, its dual-media fiber and copper ports provide flexible connectivity for complex automation architectures.

Technical Specifications

• Model Number: IS420ESWAH3A

• Series: GE Mark VIe / VIeS Control Systems

• Type: Industrial Ethernet Switch (IONet)

• Ports:

• 8 × 10/100Base-TX copper (RJ45)

• 2 × 100Base-FX multimode fiber (LC)

• Protocols Supported: IEEE 802.3, 802.3u, 802.3x; GE IONet real-time protocol

• Timing Synchronization: IEEE 1588 PTP, 1 µs accuracy

• MAC Address Table: 4,000 entries

• Buffer Memory: 256 KB

• Duplex Mode: Full/Half duplex auto-negotiation

• Flow Control: IEEE 802.3x Pause Frame

• Input Voltage: 24 V DC (18–36 V), redundant dual terminal

• Power Consumption: 5 W typical, 8 W max

• Operating Temperature: –40 °C to +70 °C

• Storage Temperature: –40 °C to +85 °C

• Environmental Protection: G3 anti-corrosion coating, 1000 h salt spray tested

• MTBF: >250,000 hours

• Dimensions (H × W × D): 137 × 94 × 56 mm

• Weight: 0.5 kg

• Mounting: DIN-rail 35 mm or panel screw mount

• Certifications: CE, UL 508, IEC 61508 SIL 2, ATEX

FAQ

Q1: Is the IS420ESWAH3A suitable for harsh environments?
Yes, it features a G3 anti-corrosion coating and operates from –40 °C to +70 °C.

Q2: What communication protocol does it support?
It supports GE IONet for real-time control and IEEE 802.3 standards for Ethernet connectivity.

Q3: How is network timing maintained?
The switch uses IEEE 1588 PTP, providing 1 microsecond synchronization accuracy.

Q4: Can it be mounted on DIN-rails?
Yes, it supports DIN-rail 35 mm and panel screw mount installations.

Q5: Is this switch compliant with industrial safety standards?
Yes, it meets CE, UL 508, IEC 61508 SIL 2, and ATEX standards for non-hazardous areas.