Applies to stationary or portable, single-phase or polyphase, air-cooled isolating and safety isolating transformers, associated or otherwise, having a rated supply voltage not exceeding 1000 V alternating current and 1000 2 V unsmoothed direct current and rated frequency not exceeding 500 Hz, the rated output not exceeding for isolating transformers 25 kVA for single-phase and 40 kVA for polyphase transformers, and for safety isolating transformers 10 kVA for single-phase and 16 kVA for polyphase transformers.
Số hiệu tiêu chuẩn
IEC 60742*CEI 60742
Tên tiêu chuẩn
Isolating transformers and safety isolating transformers - Requirements
Ngày phát hành
1983-00-00
Tiêu chuẩn tương đương
SANS 60742:1983*SABS IEC 60742:1983 (1994-03-21) * DIN EN 60742 (1995-09), MOD * DIN VDE 0551-1 (1989-09), IDT * BS EN 60742 (1996-04-15), MOD * EN 60742 (1989-01), MOD * EN 60742 (1995-06), MOD * prEN 60742 (1994-05), MOD * NF C52-742 (1989-07-01), IDT * NF C52-742 (1997-07-01), IDT * JIS C 9742 (2000-03-20), MOD * SEV-ASE 1113 (1990), MOD * OEVE EN 60742 (1995-06), MOD * PN-IEC 742 (1997-02-24), IDT * SS-EN 60742 (1995-09-01), MOD * SS 4270203 (1988-12-07), MOD * UNE-EN 60742 (1993-12-29), IDT * UNE-EN 60742 (1996-11-18), IDT * GOST 30030 (1993), IDT * TS 277 EN 60742 (1998-02-24), NEQ * CEI 14-6 (1985), IDT * STN 35 1330 (1987-02-11), IDT * STN EN 60742 (1999-08-01), MOD * SABS IEC 60742:1983 (1994-03-21), IDT * NEN 10742:1995 en;fr (1995-09-01), MOD * SABS IEC 60742:1983 (1994-03-21), IDT
Từ khóa
Bell transformers * Classification systems * Definitions * Electric contact protection * Electrical engineering * Electrical safety * Inspection * Isolating transformers * Marking * Mobile * Power transformers * Rated frequencies * Rated power * Rated voltage * Ratings * Safety isolating transformers * Safety requirements * Single-phase transformers * Small-power transformers * Specification (approval) * Strength of materials * Transformers * Shaver receptacle * Testing * Toy transformer * Monophase * Multi phase * Protection against electric shocks