Transformers. Reactors

This part of JS 61558 deals with safety aspects of transformers for toys and power supplies incorporating transformers for toys such as electrical, thermal and mechanical safety. This Part 2-7 is applicable to transformers for toys and power supplies incorporating both transformers for toys and electronic circuits. (Published Document (JS))

This standard is also applicable to isolating transformers without limitation of the rated output, however such transformers are considered as special transformers and are subjected to an agreement between the purchaser and the supplier. The no-load output voltage or the rated output voltage does not exceed 500 V a.c. or 708 V ripple-free d.c. (Published Document (JS))

This Part 2-2 is applicable to control transformers and power supplies incorporating both control transformers and electronic circuits. This Part 2-2 is not applicable to external circuits and their components intended to be connected to the input terminals, output terminals or socket-outlets of the transformer and power supplies. (Published Document (JS))

This Part 2-5 of JS 61558 applies to shaver supply units, embodying one or more socket-outlets and a single phase air cooled isolating transformer, having a rated supply voltage not exceeding 250 V a.c., a rated output not less than 20 VA and not excceding 50 VA, a rated output voltage not exceeding 250 V, and a rated frequency not exceeding 500 Hz. (Published Document (JS))

This part of JS 61558 applies to stationary or portable, single-phase or polyphase, aircooled (natural or forced), associated or independent:- constant voltage auto-transformers- constant voltage separating transformers - constant voltage isolating transformers- constant voltage safety isolating transformers. (Published Document (JS))

This International Standard deals with safety aspects of power transformers, power supplies, reactors and similar products such as electrical, thermal and mechanical safety. (Published Document (JS))

This standard applies to transformers where double or reinforced insulation between circuits is not required by the installation rules or by the appliance specification. (Published Document (JS))

This part 2-15 of JS 61558 applies to stationary, single-phase or polyphase, air-cooled (natural or forced) isolating transformers for the supply of group II medical locations, designed to be permanently connected to the fixed wiring and intended to form the IT system on the secondary side, having a rated supply voltage not exceeding AC 1 kV and rated frequency not exceeding 500 Hz. (Published Document (JS))

This part of JS 61558 applies to stationary or portable, single-phase or poly-phase, air-cooled(natural or forced) general purpose small reactors, including alternating current, premagnetised and current compensated reactors, independent or associated, having a rated supply voltage not exceeding 1 000 V a.c. or d.c. and rated frequency not exceeding 1 MHz (Published Document (JS))

This Part 2-9 of JS 61558 applies to stationary or portable single-phase air-cooled (natural or forced) associated safety isolating transformers for class III handlamps for tungsten filament lamps, having a rated supply voltage not exceeding 1 000 V a.c., a rated frequency not exceeding 500 Hz and a rated output not exceeding 10 kVA. (Published Document (JS))

This part 2 of JS 61558 applies to associated power transformers for switch mode power supplies, single-phase or polyphase, air-cooled: - separating transformers;- isolating transformers;- safety isolating transformers. (Published Document (JS))

This part 2-8 of JS 61558 applies to fixed, single-phase, air-cooled (natural or forced), independant or associated safety isolating transformers for bell and chimes, having a rated supply voltage not exceeding 250 V a.c., a rated frequency not exceeding 500 Hz, a rated output not exceeding 100 VA. (Published Document (JS))

This part 2-19 of JS 61558 applies to stationary or portable, single-phase or poly-phase, aircooled (natural or forced), independent or associated, isolating or safety isolating transformers, having a rated supply voltage not exceeding 1 000 V a.c., a rated frequency not exceeding 500 Hz, a rated output not exceeding 10 kVA. (Published Document (JS))

This part 2-13 of JS 61558 applies to stationary or portable single-phase or polyphase, air-cooled (natural or forced), independent or associated outo-transformers, having a rated supply voltage not exceeding 1000 V a.c. rated frequency not exceeding 500 Hz. (Published Document (JS))

This Part 2-1 is applicable to separating transformers and power supplies incorporating both separating transformers and electronic circuits. This Part 2-1 is not applicable to external circuits and their components intended to be connected to the input terminals, output terminals or socket-outlets of the transformers and power supplies. (Published Document (JS))

This part of JS 61558 applies to stationary or portable single-phase or poly-phase air-cooled (natural or forced) independent or associated, isolating or safety isolating transformers intended for use on construction sites, having a rated supply voltage not exceeding 1 000 v a.c., and a rated frequency not exceeding 500 Hz. (Published Document (JS))

This standard is also applicable to safety isolating transformers without limitation of the rated output; however such transformers are considered as special transformers and are subjected to an agreement between the purchaser and the supplier.The no-load output voltage and the rated output voltage does not exceed: 50 V a.c. r.m.s. and/or 120 V ripple-free d.c. (Published Document (JS))

This standard is independent and built-in single phase transformers for use on an a.c. supply intended for lighting, electric advertising signs and similar purposes. (Published Document (JS))

This part of standard applies to newly manufactured combined transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. (Published Document (JS))

This part of standard applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencines from 15 Hz to 100Hz. (Published Document (JS))

ُThis part of standard applies to newly manufactured electronic voltage transformers with analogue output, for use with electrical measuring instruments and electrical protective devices at frequencies from Hz to 100 Hz. (Published Document (JS))

This standard concerns current transformers manufactured to be used with measuring instruments at frequencies from 15 to 100 hertz (Published Document (JS))

Thisstandard concerns instrument and current transformers gweneral test methods at frequencies from 15 to 100 hertz (Published Document (JS))

Concerns requirements for protective current transformers within range (15-100)Hs. (Published Document (JS))

Concern methods of determining composite errors of protective current transformers within range(15-100)Hs. (Published Document (JS))

Concerns additionaL requirements for measuring current transformers within range (15-100)Hs. (Published Document (JS))

Concerns general and performance requirements for current transformers of electrical measuring equipment and electrical protection systems operated within the frequency range of 10-100 Hz (Withdrawn Document)

Concerns general testing methods for current transformers of electrical measurement and electrical protection equipment operated within the frequency rangeof 15-100 Hz (Withdrawn Document)