The Siemens Monitoring relay can be mounted to contactor 3RT2, Size S2 standard, digitally adjustable Apparent/active current monitoring 8 to 80 A at 20 to 400 Hz, 3-phase current monitoring, 24-240 V AC/DC Supply voltage and 1 change-over contact, 1 semiconductor output for alarm and warning monitoring for current overshoot and undershoot with phase failure, cable break phase sequence residual current, blocking current warning and alarm thresholds with or without fault buffer ON delay 0 to 99 seconds, noise pulse suppression 0 to 30 seconds, pause after fault 0-300 min also spring-type connection system with any mounting position, IP20 protection class.

Degree of pollution 3
AC type of current for monitoring
Height 99 mm
Width 55 mm
Depth 112 mm