Monitoring Relays (1.055 artikelen)

Monitoring of 2 frequency levels (e.g. underspeed / standstill and overspeed) Separate relay outputs for under- and overfrequency (1 or 2 c/o contacts each) As alternative window operating mode (mo...

IEC/EN 60 255, DIN VDE 0435-303. CE. MK 9056N - Phase sequence relay. Detects phase sequence errors Output contact 2 changeovers Overall width: 22.5 mm. The MK 9056N monitors compliance with the ph...

Monitoring of local generator sets and voltage supplies For precise frequency measuring with fast response time High disturbance immunity Separately adjustable trip points and separate outputs for ...

Monitoring of local generator sets and voltage supplies For precise frequency measuring with fast response time High disturbance immunity Separately adjustable trip points and separate outputs for ...

Monitoring Application = Temperature Supply Voltage = 24 V ac/dc Contact Configuration = DPDT Temperature Sensitivity = Overtemperature Height = 90mm

Monitoring Application = Temperature Supply Voltage = 230 V ac Contact Configuration = DPDT Temperature Sensitivity = Overtemperature Width = 22.5mm

Monitoring Application = Temperature Supply Voltage = 24 V ac/dc Contact Configuration = DPDT Temperature Sensitivity = Overtemperature Width = 22.5mm

EN 60947-8, EN 60079-14. PTB 03 ATEX 3117. II (2) GD. CE. MK 9163N - thermistor motor protection relay. 1 input for 1 → 6 thermistors Closed circuit current principle (output relay not activated in...

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 app...

Detection of over- or under frequency of alternating voltage (adjustable function) Fast reaction time by measuring duration of cycle of input frequency Universal measuring input for AC-voltages of ...

Detection of over- or under frequency of alternating voltage (adjustable function) Fast reaction time by measuring duration of cycle of input frequency Universal measuring input for AC-voltages of ...

Detection of undervoltage in 3-phase systems Without separately auxiliary voltage (internal supply from all 3 phases) LED indication for operation voltage and contact position De-energised on trip ...

Detection of undervoltage in 3-phase systems Without separately auxiliary voltage (internal supply from all 3 phases) LED indication for operation voltage and contact position De-energised on trip ...

For AC and DC systems Type B To detect earth faults in grounded voltage systems 4 setting ranges from 10 mA to 3 A Manual reset, with alarm and pre-warning With adjustable switching delay Energized...

For AC and DC systems Type B To detect earth faults in grounded voltage systems 4 setting ranges from 10 mA to 3 A Manual reset, with alarm and pre-warning With adjustable switching delay Energized...