Monitoring relay attachable to contactor 3rt2. size s00 basic, analog adjustable apparent current monitoring 1.6 - 16a, 50-60 HZ, 2-phase supply 24 V AC/DC 1 co contact monitoring for current overshoot/undershoot phase failure, wire break with or w/o error log on-delay 0-60 s spurious peak suppr.0-30 s switching hysteresis 6% screw connection