IEC 61534-1:2003 pdf – Powertrack systems – Part 1: General requirements

IEC 61534-1:2003 pdf – Powertrack systems – Part 1: General requirements

IEC 61534-1:2003 pdf – Powertrack systems – Part 1: General requirements.
1 Scope 1.1 This part of IEC 61534 specifies general requirements and tests for powertrack (PT) systems with a rated voltage not exceeding 277 V a.c. single phase, or 480 V a.c. two or three phase 50 Hz/60 Hz, with a rated current not exceeding 63 A. These systems are used for distributing electricity in household, commercial and industrial premises. NOTE The extension of the scope to cover d.c. and communication systems is under consideration. 1.2 Powertrack systems, according to this standard, are intended for use under the following conditions: – an ambient temperature in the range −5°C to +40 °C, the average value over a 24 h period not exceeding 35 °C; – a situation not subject to a source of heat likely to raise temperatures above the limits specified above; – an altitude not exceeding 2 000 m above sea level; – an atmosphere not subject to excessive pollution by smoke, chemical fumes, prolonged periods of high humidity or other abnormal conditions. In locations where special conditions prevail, as in ships, vehicles and the like and in hazardous locations, for instance, where explosions are liable to occur, special constructions may be necessary. This standard does not apply to: – cable trunking systems and cable ducting systems covered by IEC 61084 [8] 1 ) – busbar trunking systems covered by IEC 60439-2 [5] – electrical supply track systems for luminaires covered by IEC 60570 [6] 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60038:1983, IEC standard voltages 2 ) IEC 60060-1:1989, High-voltage test techniques – Part 1: General definitions and test requirements
IEC 60068-2-75, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests IEC 60112:2003, Method for the determination of the proof and the comparative tracking indices of solid insulating materials IEC 60127-1:1998, Miniature fuses – Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links 3 ) IEC 60269-1:1998, Low-voltage fuses – Part 1: General requirements IEC 60417-DB:2002 4 ) , Graphical symbols for use on equipment – Part 1: Overview and application IEC 60529:1989, Degrees of protection provided by enclosures (IP code) 5 ) IEC 60695-2-11:2000, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods- Glow-wire flammability test methods for end-products IEC 60695-2-4/1:1991, Fire hazard testing – Part 2: Test methods – Section 4/Sheet 1: 1 kW nominal pre-mixed test flame and guidance Amendment 1 (1994)
IEC 60695-10-2:1995, Fire hazard testing – Part 10-2: Guidance and test methods for the minimization of the effects of abnormal heat on electrotechnical products involved in fires. Method for testing products made from non-metallic materials for resistance to heat using the ball pressure test 6) IEC 60760:1989, Flat, quick-connect terminations Amendment 1 (1993) IEC 60884-1:2002, Plugs and socket-outlets for household and similar purposes – Part 1: General requirements IEC 60998-1:2002, Connecting devices for low voltage circuits for household and similar purposes – Part 1: General requirements IEC 60998-2-3:2002, Connecting devices for low voltage circuits for household and similar purposes – Part 2-3: Particular requirements for connecting devices as separate entities with insulation-piercing clamping units IEC 60999-1:1999, Connecting devices – Electrical copper conductors – Safety requirements for screw-type and screwless-type clamping units – Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm 2 up to 35 mm 2 (included)
3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 powertrack system (PT system) assembly of system components including a powertrack by which accessories may be connected to an electrical supply at one or more points (pre-determined or otherwise) along the powertrack 3.2 system component part specifically designed for the PT system which may or may not incorporate an accessory 3.3 powertrack system component which is a generally linear assembly of spaced and supported busbars providing electrical connection of accessories NOTE A powertrack may also provide mechanical support for accessories. 3.4 busbar main current-carrying conductor(s) to which, for example, one or more tap-off units, accessories or electrical system components may be connected 3.5 accessory electrical device complying with its own standard and associated with or incorporated in the PT system 3.6 rewireable accessory accessory so constructed that a cable can be fitted or replaced using a tool 3.7 non-rewirable system component system component so constructed that it forms a complete unit with the cable after connection and assembly by the manufacturer of the system component

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