FIELD: electrical engineering.
SUBSTANCE: device for electric protection comprises at least one switching module with contacts, installed on mounting base, and also comprises a control device with an electromagnetic coil placed close to one of said modules. Electric protection device also includes magnetic screen (22) arranged in a plane substantially perpendicular to plane of mounting base. Screen (22) is located between control device (1) and switching module (2, 3) and comprises at least one ferromagnetic part (22a) made so that screen performs magnetic direction of arc during separation of contacts, in order to increase component T of translation Laplace force acting on arc, during separation of contacts.
EFFECT: technical result is design of electric protection, having a simple design and improved interruption characteristics.
10 cl, 9 dwg
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Author |
Number |
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