Monitoring Relays (1.055 artikelen)

For single and 3-phase AC-systems up to 0 .. 500 V and 10 .. 1000 Hz Monitors also disconnected voltage systems Adjustable tripping value RALof 5 .. 100 kΩ De-energized on trip Auxiliary voltage, m...

Monitoring Application = Speed Contact Configuration = SPDT

Monitoring Application = Current Contact Configuration = DPDT

The Carlo Gavazzi voltage and frequency monitoring relay can operate on both 3P and 3P+N systems, monitoring phase loss and phase sequence, overvoltage and undervoltage, voltage asymmetry and toler...

Monitoring Application = Speed Contact Configuration = SPDT

Siemens 5TT3195

Complies with IEC 255, EN 61 557 and VDE 0413. Insulation monitor for AC networks IL 5880. For AC and DC network currents with 0 → 500 V and 10 → 1000 Hz Also monitors non-powered networks Adjustab...

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 ...

SCK measuring module for monitoring photovoltaic systems, 4 x current measurement up to 20 A, 1 x digital input, interface to SCK communication module

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 ...

IL9071 — undervoltage relay, 3 phase. Single phase connection also an option Fixed fall-back value Closed circuit current principle LED display of switch state Adjustable phase sequence 2 changeove...

Siemens 5SV8001-6KK

The Siemens 3RR2243-1FA30 is a Monitoring relay, can be mounted to Contactor 3RT2.2-phase Supply 24 V AC/DC 1 change-over contact Monitoring for Current overshoot and undershoot Phase failure.Cable...

Detection of high or low-rpm / stand still (adjustable function) Large setting range 1 .. 120.000 IPM or 0.15 .. 20.000 Hz (10 ranges each) As option with input for NAMUR-sensors with sensor and wi...