NOTE: Imtra is in the process of converting to a new computer system. We are unable to ship orders until September 8, 2026. Our team remains available to assist you. Please contact us by phone at 508-995-7000 for assistance.
ESI-1 is an External Signal Interface to the S-link bus. It has two 4-20mA analogue inputs that control the bow and stern thrusters proportionally. It can operate all E, SEP, SH and SAC series thrusters, including retractable thrusters and Automatic Main Switch (AMS). The ESI-1 is typically used with autopilots with 4-20mA outputs and 3rd party control systems.
Replaces old item number SM903807
