Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
EN 60947-3:2009/A1:2012 (IEC 60947-3:2008/A1:2012)
Năm ban hành 1970
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination unitsIEC 60947-3:2008
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Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard This part of IEC 60947 applies to switches, disconnectors, switch-disconnectors and fuse-combination units to be used in distribution circuits and motor circuits of which the ratedvoltage does not exceed 1 000 V a.c. or 1 500 V d.c.The manufacturer shall specify the type, ratings and characteristics according to the relevantstandard of any incorporated fuses.This part does not apply to equipment coming within the scope of IEC 60947-2, IEC 60947-4-1 andIEC 60947-5-1; however, when switches and fuse-combination units coming into the scope ofthis part are normally used to start, accelerate and/or stop an individual motor they shall alsocomply with the additional requirements given in Annex A.
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