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Pump Protection Relays

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Pump Protection Relays – 3 Phase by COS φ – PF-R
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3 Phase by Undercurrent - P
PS 11-R_PS 16-R
1 Phase by Undercurrent - PS-R
Fanox offers a comprehensive range of single-phase and three-phase panels for application in the extraction of water using submersible pumps in domestic, industrial and agricultural installations.
 
This relays provide a solution to detect the absence of water and act before dry running occurs by measuring the motor´s parameters. This is achieved without the need of awkward level electrodes, thus saving time and money in their installation.
 
They also protect the motor against overload, blocked rotor, overvoltage, phase loss and incorrect phase sequence.
 
 
Description

Fanox Control Panels protect pumps against dry running without using level sensors. Protections: Dry running, overload, overvoltage, phase loss, incorrect phase sequence. Maximum protection without level elctrodes or level relays.


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Pump Protection Relays Search product
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Description

Using the motor itself as a sensor and without requiring any external detectors, they monitor the cos φ of the motor and stop it before a breakdown occurs caused by dry running, cavitation or closed valve.

Suitable where the undercurrent (running wihout load) is critical. For IN of the motor below the minimum setting IB pass the cables several times (n) through the holes in the relay IB = n x IN. For IN of the motor above the maximum setting IB use 3 CT …/5 and the relay P 19

Without requiring any external detectors like level electrodes, it monitors the load of the motor and stops it before an expensive breakdorwn The great advantage of the PS relay is that, without requiring any external detectors like level electrodes, it monitors the load of the motor and stops it before an expensive breakdown occurs.occurs.

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