... The MS2SY212 synchronism check relay is designed to measure the phase angle between the monitored single phase voltages on the line & bus sides of a circuit breaker & verify that this angle is ...
... The phase protection relays are designed to protect the three- phase loads from damage caused by mains voltage. High Voltage : 300V Low Voltage : 140V Asymmetry : 5% - 25% (Adjustable) ...
Tense Electronic
... The Electrical Variable Analyzer Relay (EVAR) relay has been designed for the continuous monitoring of electrical parameters in medium or low-voltage 1- phase or 3- phase ...
Tripping current: 5 A
... Voltage monitoring in 3- phase mains Meassuring circuit data Functions OVER, OVER+LATCH, UNDER, UNDER+LATCH, WIN, WIN+LATCH timing adjustment for tripping delay Time intervals (timing adjustment) tripping ...
Tripping current: 0.2, 4 A
Trigger voltage: 195 V - 253 V
... asymmetry or even phase failure is recognized. In addition direction of rotation ( phase sequence) and neutral wire break is monitored. Every error is shown by the corresponding red LED lighting up. In the normal operation ...
... sequence of a threephase power line. If one or more phases disappear, the relay turns off. It is available in two versions: • F 22. The relay turns ON only if the sequence is wrong. • F 33. The relay ...
ELETTROMECCANICA CDC s.r.l.
Trigger voltage: 64, 133, 230 V
... 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 to neutral voltages above ...
... 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 (L1, L2, L3) The ...
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). ...
... Monitoring relay for monitoring asymmetry, phase failure, phase sequence errors, overvoltage and undervoltage of a three- phase connection. With external ...
... or 21, 24 of the relay output contacts are connected ahead of the field coil of the motor relay. If the phase sequence is correct, the output relay is activated (green LED is on). In ...
... 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 continuously ...
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