Patent ID: 9449774
Filing Date: 2016-09-20
CPC Classification: H01H

Claim Text:
1. A power and control unit for a low or medium voltage apparatus, said apparatus at least a couple of electrical contacts that can be coupled/separated by means of an electro-magnetic actuator, a first power storage means within a main power supply circuit for supplying electric power for the operations of said apparatus and power supply means for charging first said power storage means, said power and control unit comprising: a primary control device for managing the operations of said apparatus when said power supply means are available, the primary control device drawing operating power from the first power storage means of the main power supply circuit; a secondary control device for managing the operations of said apparatus when said power supply means are not available, said secondary control device being able to receive electric power directly from said first power storage means, said secondary control device comprising: wherein said power and control unit comprises a main power drive circuit to energize said electro-magnetic actuator, said main power drive circuit being fed by said first power storage means and being controlled by said first primary control device or by said secondary control device.