Eaton 77MIP-9 is a nine-pole electrical multiplexing relay system. It is a reliable, cost effective and versatile switching system which can be used to multiplex medium-voltage power. The 77MIP-9 multiplexing relay offers power management of up to nine medium-voltage pieces of equipment. It consists of an electronic controller, nine 3-phase contactors, relay cards, power supply, signal/interface boards, communication interface, and a status/control monitor. The 77MIP-9 also offers comprehensive protection functions, such as overcurrent, reverse polarity, and undervoltage, to protect your medium-voltage equipment. Additionally, the 77MIP-9 can be used with a variety of communication networks, including SCADA and IEC61850, facilitating remote control and monitoring. With Eaton 77MIP-9 multiplexing relay, you can minimize downtime, increase safety and reliability and save overall cost.