At least one electrical volume device for measuring current circulation in electrical devices
A kind of technology of electrical equipment, measuring device
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[0039] exist figure 1In the diagram, a measuring device 1 for at least one electrical quantity of an electric current circulating in an electrical installation 2 is schematically shown. The measured electrical quantity can be, for example, a current or a voltage. More particularly, the measuring device 1 is an energy meter configured to measure voltage and current and to calculate the electrical energy and power consumed or provided by the device 2 . The electrical device 2 is preferably a protective device of an electrical system located upstream or downstream of the device 2 . For example, device 2 is a circuit breaker. The electrical device 2 can also be a single-phase or three-phase circuit breaker, with or without neutral. exist figure 1 , a three-phase circuit breaker with neutral 2 is shown. The circuit breaker 2 has the general shape of a parallelepiped, comprising a front surface 2a, a rear surface 2b, two side surfaces 2c, 2d and a first connecting surface 3 com...
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