Tele three-phase monitoring relays

REC615 is a remote monitoring and control relay, RER615 is a recloser protection and control relay These grid automation relays are designed for remote control and ...

• Undervoltage, overvoltage and frequency monitoring in 3(N)AC systems 0…500 V • Various monitoring functions selectable U, f • Asymmetry, phase failure and phase ...

Power relay, single-phase network 2 Module Non-priority load tripping management Relay output for load tripping or external sound signaling (selectable) Inner alarm Buzzer Measuring ...

Trigger voltage: 208 V - 600 V

Voltage monitoring realy for three-phase system, without neutral, phase loss and incorrect phase sequence, 208...480VAC 50/60Hz • ype of product: Voltage monitoring ...

... Protection Relay Protect and monitor most transformer applications with the powerful SEL-487E Transformer Protection Relay. Apply up to 5 three-phase restraint inputs, three ...

Trigger voltage: 64, 133, 230 V

• Under voltage monitoring • Monitors own three phase, 4-wire supply • Detects incorrect phase sequence, phase and neutral loss • Fixed Trip level ...

Tripping current: 16 A

Monitoring voltage relay, 3-phase HRN-43, HRN-43N galvanically separated supply AC 230V, AC 400 or AC/DC 24V, memory, adjustable hysteresis and delay, 2 x independent output monitoring ...

The Electrical Variable Analyzer Relay (EVAR) has been designed to continuous monitoring of a single or three-phase system. It provides metering for current, voltage, real power, reactive ...

Trigger voltage: 100 V - 500 V

KRM72x - PHASE FAILURE / SEQUENCE RELAY Phase failure Phase Imbalance Incorrect Phase Sequence Description KRM72x monitors three phase ...

... reverse phase rotation. – overvoltages and under voltages. – the voltage differences between phases due to loss of neutral or asymmetry. (Over / under voltage protection usable in single-phase) It ...