3RR2243-3FA30

Monitoring relay, mountable on contactor 3RT2, size S2 Standard, digitally adjustable apparent/active current monitoring 8...80 A, 20...400 Hz, 3-phase; supply 24 V AC/DC; 1 changeover contact, 1 semiconductor output for alarm and warning. Monitoring for overcurrent and undercurrent, phase failure, wire break, phase sequence, residual current and blocking current. Warning and alarm thresholds with or without fault memory. Starting delay 0...99 s, transient suppression 0...30 s, pause after fault 0...300 min, spring-loaded terminal technology