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Current measurement is obtained form the motor line through the magnetic module withour need of external current transformers. From 0.8 up to 25 A with internal current transformers. Over 25 A with external current transformers.

Current measurement is obtained form the motor line through the magnetic module withour need of external current transformers. From 0.8 up to 25 A with internal current transformers. Over 25 A with external current transformers.

This is an optional display module with an LCD screen for signalling, control and setting. The LEDs can be configured and are identified by labels. Access to menus is intuitive and direct, making easier protection system commissioning.

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.

With progressive startup and shut-down are fitted with soft starters to prevent problems caused by water hammering or sudden start-up and shut-downs. Equipment with halogen-free wiring.

The cosine of phi (cos φ) is the value of the cosine of the phase angle between the voltage and the intensity of the electrical current. This oscillates from a value slightly below 1 for a full load operating motor to almost 0 when it is dry running.

One of the most critical situations in pump operation is dry running. In dry running situations a current decrease is detected. This reduction of consumed current is measured by the PS-R electronic relay fitted to the protection panel: When the preset undercurrent value is reached it switches the pump off.

AQ M210 offers a modular motor protection and control solution for small and medium size motors. Up to four optional I/O or communication cards are available for more comphrehensive monitoring and control applications. Up to 12 RTD signals can be connected for thermal alarming and tripping. The AQ M210 communicates using various protocols including

AQ M215 offers a modular motor protection and control solution for larger and more important motors requiring both current and voltage based protection functions along with complete measurements of accuracy up to class 0.2S for power and energy. Up to three optional I/O or communication cards are available for more comphrehensive monitoring and con

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