✔ Product Name: GE IS420UCSBH4A Controller Module
✔ Brand: General Electric (GE)
✔ Series: Mark VIe Control System
✔ Type: UCSB (Utility Controller Single-Board) Stand-alone Controller
✔ Official Positioning: Extended-temperature UCSB controller for extreme ambient environments
✔ CPU: Intel EP80579 1.066 GHz (slightly lower than H3A)
✔ Memory: 256 MB DDR2 SDRAM + 2 GB NAND Flash
✔ Operating System: QNX Neutrino real-time multi-tasking OS
✔ Interfaces: 3×10/100 Mbps RJ45 (IONet) + 1×RS-232
✔ Construction: Fan-less, battery-free, DIN-rail mounting, SIL3/TMR architecture support
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Difference
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IS420UCSBH3A
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IS420UCSBH4A
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Impact on site
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CPU speed
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1.2 GHz
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1.066 GHz
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Negligible for standard Mark-VIe tasks
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Operating temp
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0 °C – +70 °C
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–40 °C – +85 °C
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Use “4” for cold or hot environments
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Part number
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3A
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4A
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Must be exact when ordering or stocking
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Everything else—QNX image, IONet ports, 256 MB RAM, 2 GB Flash, SIL3/TMR capability—is identical, so they are drop-in replacements as long as the temperature rating fits.
About Us:
Xiamen PLC Autocontroller has specialized in automation supplies for 20 years, committed to providing efficient and reliable industrial-control solutions.
We deliver not only premium products but also exceptional service experiences that help your projects succeed.
Quality Commitment:
✔ Quality Assurance: Only brand-new, original parts—no refurbishments or counterfeits
✔ Inventory Advantage: Huge stock supporting urgent orders and small-batch purchases
✔ Efficient Delivery: Optimized logistics guaranteeing on-time shipments and minimized downtime
Contact Us:
Sales Representative: May
WeChat ID: dcsfcs
E-mail: ab@mooreplc.com
☎ Phone/WhatsApp: +86 18106909650
What happens next?
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Your quote
You’ll get a fully customized quote to fit your unique needs.
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