The Lewmar blue box system is the new design of ICU in our next-generation thruster system. The main electronic components of the system have been completely re-designed to increase reliability and functionality. 

The system fits with the new controllers and incorporates new features to surpass high-end systems currently on the market. The configuration has been designed to be as simple and reliable as possible while incorporating up with today’s technological trends. 

• Heath LED and on-board fuse on new blue box 
• Powers and provide logic for panel controller 
• Phoenix contact for power and neutral 
• One I.C.U. per thruster