Số hiệu tiêu chuẩn
FprEN 61557-9
Tên tiêu chuẩn
IEC 61157-9: Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systems - Proposed Horizontal Standard
Ngày phát hành
2014-09-00
Tiêu chuẩn tương đương
IEC 85/486/FDIS (2014-09), IDT
Từ khóa
Alternating current * Alternating current networks * Communication networks * Control instruments * Controlling * Currents * Definitions * Direct current * Direct current installations * Direct current networks * Electric mains * Electrical engineering * Electrical safety * Electromagnetic tests * Fault finding * Information technology * Inscription * Installations for rated voltages * Insulating monitoring devices * Insulating monitoring equipment * Insulating resistance * Insulation fault * Insulation meters * Insulations * IT systems * Low voltage mains * Low-voltage equipment * Low-voltage installations * Marking * Measuring * Measuring equipment * Measuring instruments * Monitoring * Monitoring device * Nominal use * Operating instructions * Protection against electric shocks * Protective measures * Rated current * Rated voltage * Reference conditions * Specification (approval) * Specimens * Supply voltages * Switching circuits * Telecommunications * Test equipment * Testing * Testing set-ups * Trouble shooters