The Norcontrol NN-847.1 is an AC Voltage and Frequency Input PCB Card, identified by board number HE220333A. It is designed for Norcontrol marine automation and control installations to receive AC electrical measurement signals for monitoring and control functions. The exact NN-847.1 / HE220333A combination is also listed in marine automation inventories.

Key Features

• Dedicated AC voltage and frequency input card.
• Designed for compatible Norcontrol marine automation systems.
• Provides electrical measurement signals to associated control equipment.
• Suitable for monitoring AC power-system parameters.
• Plug-in PCB construction for modular control systems.
• Supports electrical monitoring and automation functions.
• Identified by NN-847.1 / HE220333A for replacement matching.
• Suitable for maintenance of legacy Norcontrol installations.

Typical Applications

• Marine electrical power monitoring
• AC voltage monitoring
• Frequency monitoring
• Generator monitoring systems
• Shipboard power-management systems
• Engine-room automation
• Electrical control and monitoring panels
• Marine automation systems
• Legacy Norcontrol system maintenance