Dold Multifunction Monitoring Relay, 3 Phase, SPDT, 24 → 400V ac, DIN Rail

Multifunction measuring relay Voltage monitoring (1- and 3-phase) Current monitoring Frequency monitoring Power factor cos phi Phase sequence, phase failure, asymmetry Effective-, reactive- and apparent power Start up delay, on delay Adjustable hysteresis 0.2 .. 50 % of response value Manual reset LCD for indication of the measuring values Relay output MK 9300N: 1 changeover contact MH 9300: 2 x 1 changeover contacts Relay function selectable (energized/de-energized on trip) As option with plug able terminal blocks for easy exchange of devices - with screw terminals - or with cage clamp terminals MK 9300N: Width 22,5 mm Advantages / Customer benefit Min-, Max. value or window monitoring Simultaneous monitoring of up to 9 different parameters Simple configuration and fault diagnostic Different fault indications Early detection of irregular states