Tiêu chuẩn quốc tế

Số hiệu

Standard Number

EN 61557-4:2007
Năm ban hành 2007

Publication date

Tình trạng A - Còn hiệu lực

Status

Tên tiếng Anh

Title in English

Electrical safety in low voltage distribution systems up to 1 000 V a - c - and 1 500 V d - c - - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bondingIEC 61557-4:2007
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Phạm vi áp dụng

Scope of standard

This part of IEC 61557 specifies the requirements applicable to equipment for measuring the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding, including their connections and terminals, with an indication of the measured value or indication of limits.