Scientific, electrical and electronic apparatus and instruments for the measurement, control and checking of electrical and electronic equipment; magnetic data carriers, namely, recording discs; calculating machines; data processing equipment and computers; power components, namely, AC-DC, DC-DC and DC-AC power supplies and power converters, namely, open, encapsulated, card, cassette, rack-mounted, chassis-mounted, plug-top, in-line, pin-through or surface mount formats, implemented as components, modules, base-plate cooled modules, integrated circuits and systems, eurocards and eurocard power supplies, EMC thermal management products, components or electrical isolation, network isolation components, solid state relays and delay lines; micro-ferrite based electronic components, namely, small DC-DC converters, inductors and transformers; power factor correction modules; data collection modules; fiber optics, fiber optic links, cell voltage, temperature and current measuring apparatus and instruments; batteries; battery monitoring apparatus, instruments and systems; electrical and electronic connectors; electrical and electronic current clamps; electrical and electronic shunts; DC-DC converters; micro-ferrite/silicon hybrid power conditioners; electrical and electronic transformers; electrical and electronic pulse transformers; electrical and electronic inductors; electrical interface components for electronic and computer systems and peripherals; magnetic and electronic hybrid components; power supply modules; power management products, namely, electrical regulators, UPS systems, battery chargers, standby power systems and battery monitoring systems; wound components implemented as inductors, transformers, chokes, common-mode chokes and differential-mode chokes, for application in electrical and electronic filtering, energy storage, impedance matching, voltage conversion, current sensing, digital and analog data communications and telecommunications and switched mode and linear power supplies; ceramic components, namely, ceramic-based printed circuits, components with ceramic-based printed circuits and chip-inductors; inductors; axial lead inductors; bobbin inductors; radial lead inductors; toroidal inductors; passive filters; electrical and electronic overload protection devices; ceramic substrates with plated copper tracking for electrical components; electrical isolation devices and electronic components for local or wide area computer network systems, industrial equipment and systems, communication networks and systems, and the Internet; computer software for the operation or for the local or remote control or monitoring of equipment, systems, devices, components, apparatus and instruments for electrical power conversion, electrical power systems, magnetic and ceramic components, battery monitoring systems, optical fibre systems, electronic, magnetic, ceramic and optical fibre product manufacture and all of the aforesaid goods; parts and fittings for all the aforesaid goods