Overload relay GL Series

phase lossphase unbalancefor electric motors

The integral motor protection provides protection for L.V. motors up to 1000 Vac. The current adjustment is from 1 to over 630. The relay clearly displays the cause of tripping. Its protection covers the starting of the motor and also the running. It has a broad range of trip class setting. It has an external display module of 22mm and comes with a three-year guarantee. The relay works well for motors that need protection for every type of start. This relay is specially applicable to protect motor which need dependable and accurate protection relays for every type of start (trip classes 5, 10, 15, 20, 25, 30 and 35): Motor Control Centre (MCC), Pumps, Compressors, Ventilators, Centrifugal machines, Conveyor belts, Cranes, Valves, Air conditioning, Machine tools, Industrial Refrigeration and in general for those motors requiring complete protection where over temperature (by means of PTC sensor) and incorrect phase sequence protection is required. • Gives excellent protection for L.V. motors up to 1,000 Vac. • Broad range of current adjustment (1 to 630 and over). • Discriminative signalling of the relay trip cause. • Suitable for any motor start or working cycle. Broad range of trip class setting. • Memorizes the thermal image of the motor, either heating or cooling. • Three-years guarantee. External Display Module By means of this plug-in optional accessory, the relay status can be seen and reset from the exterior of the electrical panel board. Easy to install. Size of a Ø22 mm push button. Suitable for motor control centres (MCC) and panel boards.