Circuit arrangements for an alternating current contactor, motor protection relay and method for producing a voltage supply

摘要

The circuit arrangement has excitation coil (3) comprising first winding (1) for generating pick-up and/or discharge excitation. The excitation coil has second winding (2) for power supply of electrical load (4). Independent claims are included for the following: (1) motor protection relay; and (2) method for manufacturing power supply of electrical load.