24/240V ELECTRICAL POWER PROTECTION RELAY BASIC NAME RELAY NAME MODIFIER OF ELECTRICAL POWER PROTECTION DIGITAL TYPE CURRENT 1 TO 5 A NUMBER OF PHASES THREE-PHASE POWER SUPPLY 24 TO 250 VDC/48 TO 240 VCA FREQUENCY 50/60 HZ PROTECTION DEGREE IP-52 PANEL MOUNT ADDITIONAL REQUIREMENTS SEE NOTE COMMERCIAL REFERENCE SCHNEIDER-P521B0GZ112DG0 NOTE: – FUNCTIONS: 87, 50/51N, 49, 46, 46BC, 37, 50BF; – HAS OSCILLOGRAPHY, FAULT AND EVENT LOG, MEASUREMENTS; – ADDITIONAL FUNCTIONS FOR TRIP CIRCUIT SUPERVISION, PERMISSIVE AND DIRECT INTERTRIP, COMMUNICATION CHANNEL SUPERVISION, INTERNAL RELAY SUPERVISION, VECTOR GROUP COMPENSATION AND RATIO CORRECTION, INRUSH CURRENT RESTRICTION; – CIRCUIT-BREAKER CONTROL AND MONITORING, COLD-START PROTECTION, BLOCKING LOGIC AND LOGIC SELECTIVITY 300NM SINGLE-MODE / SINGLE CHANNEL, MAXIMUM DISTANCE BETWEEN 2 TERMINALS 100 KM; – SERIAL COMMUNICATION RS-232 FRONT AND RS-485 REAR; – MODBUS COMMUNICATION PROTOCOLS; – 5 DIGITAL INPUTS AND 8 PROGRAMMABLE OUTPUTS + 1 WATCHDOG OUTPUT.