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