CURRENT MONITORING RELAY MOUNTABLE ON CONT. 3RT2, SZ. S0, APPARENT/ACTIVE CURR. MONIT. 4 - 40A, 20-400 HZ, 3-PH., SUPPLY 24 V DC, 1 CO CONTACT, MONITORING F. CURRENT OVER-/UNDERSHOOT, CURRENT ASYMMETRY, PHASE FAILURE / WIRE BREAK, PHASE SEQUENCE, FAULT CURRENT, BLOCKING CURRENT, SWITCHING CYCLE/OP. HOURS COUNTER, WARNING/ALARM THRESHOLDS, AUTO OR MANUAL RESET ON-DELAY 0-999.9 S OFF-DELAY 0-999.9 S RECLOSING DELAY 0-999.9MIN SCREW CONNECTION