Home Investments 3-pole circuit breakers.

3-pole circuit breakers.

by britainsnews

3-pole automatic circuit breakers-mechanical switching devices that are installed in three-phase electric networks and are used to ensure the protection of electric circuits from damage with various load characteristics. Such automatic circuit breakers are designed to switch current in working normal modes and in the case of overloads and in short circuits. The limit current, turning the switch can vary from 1 to 10 KA, depending on the brand and series of the device. The switches are designed for instant re -turning on and can withstand up to 6 inclusions per hour without damage to contacts. Can be used both in installations with direct electric current and at alternating current.

3-pole circuit breakers are used both in residential premises and at industrial facilities, in large office buildings.

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