The Norcontrol NA-1117.1 (HA220853B/B) is a Motherboard II used within legacy Norcontrol marine automation and safety-control systems. It serves as a central board for mounting and interconnecting compatible processor, I/O, operator-panel, and other system modules; documented installations show it as part of the Norcontrol SSU 8810 Safety System Unit.
Key Features
- Dedicated Motherboard II for Norcontrol systems
- Designed for marine automation and safety-control equipment
- Provides a common platform for compatible system boards
- Supports integration of processor and I/O modules
- PCB construction for control-system chassis installation
- Identified by NA-1117.1 / HA220853B/B
- Documented in Norcontrol SSU 8810 configurations
- Suitable for replacement and refurbishment of legacy Norcontrol equipment
Typical Applications
- Marine safety systems
- SSU 8810 Safety System Unit
- Engine-room automation
- Machinery safety and monitoring systems
- Shipboard automation cabinets
- Marine control-system chassis
- Legacy Norcontrol automation installations
- Replacement of existing NA-1117.1 Motherboard II assemblies




