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BS EN 60669-2-4:2005

Switches for household and similar fixed electrical installations. Particular requirements. Isolating switches (British Standard)

This clause of Part 1 applies except as follows.Replacement of the first paragraph:This part of IEC 60669 applies to manually operated general purpose isolating switches with a rated voltage not exceeding 440 V and a rated current not exceeding 125 A, intended for household and similar fixed electrical installations, either indoors or outdoors.NOTE Isolating switches are designed for overvoltage category III and used in environment of pollution degree 2 according to IEC 60664-1.

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