Electrical Pressure Gauges

The adjustable contact arms P & Q can be set from outside individually by a knob at any required set point. The limit value switch is so designed that the instrument pointer can continue its movement beyond the set pointer, after the contact has been made.Electrical Magnetic Contacts are carfuly designed since they are subject to hard wear during use according to switching conditions because of the mechanical stress, the influence of current heat and the electric arc.