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SUBSCRIBE! FLOAT WITH CONTACTOR TO AUTOMATE A WATER PUMP (DRAINAGE FUNCTION). When used to empty a water tank, it must have a counterweight that is placed on the cable, also in the filling function, on the other hand, when we place it directly to a submersible pump, the cable is tied to the upper part of the pump, not being necessary said counterweight and the joints that remain submerged must be vulcanized and protected by a sheath with silicone inside. In some countries, regulations require that they work at 24v or less, so in addition to a contactor with a coil of that voltage, a transformer must be added. If the motor does not have thermal protection built into its winding, a motor guard or a thermal relay must be added. Facebook: / felipe.deleon.963 Instagram: https://www.instagram.com/felipe.carl... My other Youtube channel: https://n9.cl/san0 #WATERPUMPS #FLOAT #CONTACTOR