Description
Product Model: GE IS420UCSBH4A
Product Brand: GE
Product Series: Mark VIe / UCSB Controller Series
Product Features:
• High‑performance UCSB (Universal Control Station Board) controller module with Intel EP80579 1066 MHz processor.
• Designed for use in GE Speedtronic® Mark VIe and Mark VIeS turbine control systems; supports real‑time operation, IONet communication and high reliability.
• Certified for hazardous locations (UL E207685, ATEX Zone 2) and rugged ambient temperature range (–30 °C to +65 °C).
• Single‑module form‑factor, built‑in power supply, fan‑less design (for revision “H4A” variant) and flash update capability, making it a streamlined solution for turbine control racks.
- IS420UCSBH4A
- IS420UCSBH4A
| Specification | Description |
|---|---|
| Model | GE IS420UCSBH4A |
| Brand | GE |
| Series | Mark VIe UCSB Controller Series |
| Module Type | UCSB Controller Module (stand‑alone processor board) |
| Processor | Intel EP80579 at ~1066 MHz (depending on revision) |
| Operating System | Real‑time OS (e.g., QNX Neutrino) |
| I/O Network | IONet (dedicated Mark control I/O Ethernet network) |
| Ambient Temperature Range | –30 °C to +65 °C (some specs –40 °C to +70 °C) |
| Certifications | UL E207685 (Class I Division 2), ATEX Zone 2 (depending on revision) |
| Power Supply | Integrated; typical voltage 28 V DC control logic input (check manual) |
| Communications Ports | Multiple Ethernets, serial interfaces (depends on cabinet configuration) |
| Revision Variant | “H4A” denotes specific variant; match revision for compatibility |
| Weight | ~2 lb (approx. 0.9 kg) per supplier listing |




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