ABB REL 356

ABB REL 356 Current Differential Protection
1-3
Product Overview and Specifications
Optional Features
· Two zone distance back-up, phase and ground
· Directional ground back-up
· Loss of potential block
· Loss of current supervision
· Power swing block or trip
· Extended contact output with selectable transfer trip contacts
· Dual power supplies
· RS232C series communication port with IRIG-B input port
· Modbus PONI
Platform Overview
The REL 356 relay assembly consists of an outer-chassis and an inner-chassis which slides into the outer-chassis.
The REL 356 conforms to the following dimensions and weight:
· Height 7” (requires 4 rack units @ 1.75” each); 177 mm
· Width 19”; 483 mm
· Depth 13.6”; 345 mm
· Weight 38 lbs; 17.5 kg