Trigger voltage: 64, 133, 230 V
... ’s own three-phase supply and for the output relay to energise, all phases (and neutral) must be present, the phase sequence correct and the phase ...
... Control relay to monitor 3-wire, 3-phase systems for the failure of one or more phase, a phase asymmetry shift exceeding 10% and the correct phase rotation ...
HIQUEL
Trigger voltage: 80, 150, 350, 600 V
... consequences of reverse running. • Normal/emergency power supply switching. • Protection against the risk of a driving load(phase failure).
Tripping current: 4 A
... apparent power and power factor per each phase • +active energy, -active energy, inductive energy, capacitive energy per each phase and per 3 phase • frequency, phase ...
Trigger voltage: 200 V - 500 V
The SLU-0200 Monitor transmissions (3 phase) offer an affordable safety from premature tool errors, downtime due to voltage errors or abrupt outages on 3-Phase systems (Wye or Delta). It consists ...
Marsh Bellofram
Chordn’s three-phase monitoring relays HMPB7 series are mainly used to monitor the phase sequence, phase loss and over-undervoltage ...
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 ...
ELKO
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, ...
Trigger voltage: 120 V - 480 V
... 2002Y 3-Phase Voltage Unbalance Monitor is designed to continuously monitor a three-phase line with a neutral connection for unbalanced voltage conditions. This device will only energize ...
Time Mark
Monitoring relay for monitoring asymmetry, phase failure, phase sequence errors, overvoltage and undervoltage of a three-phase ...
... monitor in three-phase mains (each phase against neutral) with fixed threshold value, fixed hysteresis and integrated testing key. It has been developed especially for emergency lighting ...
3-Phase Delta Monitoring Relay, Sequence and Phase Loss, 2 SPDT Relay Outputs, IP20, DIN-rail mounting, Measuring Range 177 to 550Vac, 22.5x83.5x99.5mm ...
... 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 ...
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