Phase monitoring relays

37 companies | 101 products
under-voltage monitoring relay
under-voltage monitoring relay
002471416

Trigger voltage: 400 V

... of the device. The relay immediately breaks if the voltage supply falls below 60% Un. When the device gets supplied from all phases or if one phase is faulty in HRN-54, the relay ...

phase monitoring relay
phase monitoring relay
SEL-321-5

SEL-321-5 Phase and Ground Distance Relay The SEL-321-5 Relay is designed especially for EHV and HV applications on 50 Hz systems. The relay provides enhanced single-pole ...

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Schweitzer Engineering Laboratories
under-voltage monitoring relay
under-voltage monitoring relay
45PTR

Trigger voltage: 400 V

... Three Phase and Thermistor Relay - Used in conjunction with PTC thermistors to DIN 44081 - Three Phase voltage monitoring - Auxiliary supply - 2 x SPNO Relay ...

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Broyce Control
phase loss monitoring relay
phase loss monitoring relay
RF03

Phase Failure and Phase Sequence Relay Voltage monitoring relay for three phase supply. Protects against Phase Failure ...

voltage monitoring relay
voltage monitoring relay
HRN-43 series

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 ...

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ELKO
under-voltage monitoring relay
under-voltage monitoring relay
SM 175

Trigger voltage: 208 V - 480 V

The SM 175, which is manufactured by GIC, is a voltage monitoring device that is suitable to use in controlling the sequence of three phases, and its supply voltage. The unit has a compact design, and ...

phase sequence monitoring relay
phase sequence monitoring relay
KRM72x series

Trigger voltage: 100 V - 500 V

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

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Meagacon AS
voltage monitoring relay
voltage monitoring relay
EVAR ETH

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 ...

under-voltage monitoring relay
under-voltage monitoring relay
80 - 540 V | 269R

Trigger voltage: 80 V - 540 V

... 269R Over & Under 3-Phase Monitor continuously monitors 3-phase lines for high voltage, low voltage, phase loss or phase reversal, ...

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Time Mark
synchronization monitoring relay
synchronization monitoring relay
MS2SY212-S

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 ...

voltage monitoring relay
voltage monitoring relay
MR-EU31UW1P

Tripping current: 5 A

... categoryIII PN-EN 60664-1 • Multifunctions monitoring relays (AC voltage monitoring in 1-phase network and 3-phase - 3(N)~ 400/230 V, with adjustable ...

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RELPOL
voltage monitoring relay
voltage monitoring relay
MCA4