AS 62271.301:2022 PDF
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High-voltage switchgear and controlgear, Part 301: Dimensional standardization of terminals
Standards Australia , 04/22/2022
File Format: PDF
- Description
Description
AS 62271.301:2022 PDF
AS 62271.301:2022 provides specifications for standard shapes and dimensions for palm terminals for a range of assigned standard alternating current ratings up to 3 150 A for copper and 5 000 A for aluminium, dimensions for cylindrical terminals with assigned current ratings up to 4 000 A and dimensions for rectangular terminals with assigned current ratings up to 5 000 A.
This document does not apply to terminals internal to switchgear, switchboards and similar, where the connection may be an integral part of the design. It also does not apply to palm terminals having current ratings exceeding 5 000 A and cylindrical terminals having current ratings exceeding 4 000 A.
This document does not require all connections on to terminals to be made with fasteners. Other methods may be more appropriate, and reference should be made to AS 2067:2016 Appendix C, for a description of these.
NOTE The intention of this document is to establish a set of dimensions of terminations for equipment for ease of assembly and interchangeability. In this context, it is appreciated that equipment to which the terminals are applicable will have a current rating in accordance with the particular Standard to which it is tested. Service experience has indicated that despite the various metals and their alloys used in equipment terminals, it is practicable to assign nominal current ratings to terminals of various sizes and coordinate a terminal to an item of equipment having the same current rating.
