CPM 311 Overcurrent Protection Relay

DEMA proudly presents the users and modern networks a solid alternative for overcurrent protection with CPM 311; with the state-of-art electronic, physical and functional technology for use with (X/5) A or (X/1) A conventional type current transformers. As a DSP based digital multi-function protection & control relay with 3 phase & earth overcurrent protection, DEMA CPM 311 is tested to fulfill international standards' requirements; and provides the users numerous assembly, commissioning and service advantages.

CPM 311 comprises a main unit, a control unit and an interconnection cable. The unique design of the product eliminates the need to extend the CT secondary, command and control cabling to the panel door - instead, the product utilizes a communications cable with RJ45 termination to provide communication between the main unit and control unit for the first time in the world; enabling easy and fast relay cabling.