DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19″, 21BI, 24BO, 1 WATCHDOG CONTACT, 11I, IEE, 4 VOLTAGE INPUTS (1 X 3-PHASE + 1 X 1-PHASE) WITH HIGH SPEED RELAYS, SURFACE MOUNTING CASE, TERMINALS ON TOP AND BOTTOM
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