The Kongsberg C4 AUTO (8100226) is a Distributed Processing Unit (DPU) used in Kongsberg marine automation systems. It is specifically designed for control of marine generators and bus-tie breakers, with specialized I/O for voltage/current transformers and switchboard equipment.
Key Features
- Distributed processing unit for marine generator control and bus-tie breaker control.
- Specialized inputs and outputs interface with voltage transformers (VTs), current transformers (CTs), and switchboard equipment.
- RIO-C4 platform for distributed automation/control applications.
- Available in different hardware revisions, including C1 and C2, so revision compatibility should be checked before replacement.
Typical Applications
- Marine Power Management Systems (PMS)
- Generator control and monitoring
- Generator synchronization/interface functions
- Bus-tie breaker control
- Main switchboard automation
- Electrical power distribution monitoring
- Kongsberg marine automation cabinets




