AS NZS 3820 PDF

AS/NZS ™Australian/New Z ealand StandardEssential safety requirements for electrical equipment AS/NZS AS/NZS. AS/NZS Essential safety requirements for electrical equipment. standard by Australian/New Zealand Standards, 01/01/ Amendments. 21 Apr AS/NZS means AS/NZS Essential safety requirements for low voltage electrical equipment, as published or amended.

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Essential safety requirements f. BS EN Furni Safety of medical elec This Standard was published on 11 December The following are represented aas Committee QR To maintain their currency, all Standards are periodically reviewed, and new editions are published. Between editions, amendments may be issued.

AS NZS Essential safety requirements for electrical equipment_百度文库

Standards may also be withdrawn. It is important that readers assure themselves they are using a current Standard, which should include any amendments which may have been published since the Standard was purchased. For more frequent listings or notification of revisions, amendments and withdrawals, Standards Australia and Standards New Zealand offer a number of update options. For information about these services, users should contact their respective national Standards organization.

We also welcome suggestions for improvement in our Standards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Please address your comments to the Chief Executive of either Standards Australia qs Standards New Zealand at the address shown on the back cover.

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This Standard was issued in draft form for comment as DR The Standard is downloaded from www. No part of this work may be reproduced or copied in any form or by any means, electronic or mechanical, including photocopying, without the ws permission of the publisher. The objective nzz this Standard is to provide a set of outcomes-oriented criteria for the safety of electrical equipment, primarily for use by electrical regulators in relation to products for which regulatory approval before sale is not required non-declared articles.

For electrical equipment that is required to be approved bzs regulators before being placed on the market declared articles, declared high risk articles and declared medium risk articlesthere are specific regulatory requirements additional to the general requirements given in this Standard.

This Standard is intended to be consistent with the criteria of the European Union low voltage directive. In the preparation of this Standard, consideration was given to the following publications and acknowledgment is made of the assistance received: The preparation of safety publications and the use of basic safety publications and group safety publications.

This Standard is not a substitute for Standards that set out objective safety requirements based on testing. Rather it provides a high-level generic description of the safety outcomes to be achieved and is intended to assist in providing a basis for regulatory uniformity.

Specific product Standards provide measurable criteria that are regarded as ensuring that the outcomes described in this Standard will be met. Whilst compliance to this standard may be claimed by declaration, supporting documentation such as certification or test reports or appropriate engineering assessments would be expected to be available if requested by the person receiving the equipment or by a government electrical safety regulator.

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Certification or test reports must reference a relevant product standard or standards that have the equipment in question within their scope and any other reports for additional risks identified applicable to aas equipment that ad not be covered by the general relevant product standards.

Where no one standard or standards cover the equipment within its scope, or cover the risks identified or likely, reports to test standards and additional reports beyond test standards may be required.

Claimed compliance to requirements of this standard would be null and void in the event of incidents occurring due to design or manufacturing failure or due to being used in a manner not excluded by the instructions for use even after installation in accordance with the instructions or during use of the equipment, regardless of any supporting documentation supplied at time of declaration of compliance. Refer also to clause 5. It also includes consequential editorial changes.

Words in bold in the text are defined in clause 3. Electrical equipment within the scope of this standard is any equipment designed for use with a 8320 or output voltage not exceeding Volts for alternating current and Volts for direct current and intended for the purposes of generation, conversion, transmission, distribution or utilisation of mzs.

AS/NZS 3820:2009

Medical electrical equipment and electrical equipment used in hazardous mzs are subject to essential safety requirements in addition to those included in this standard. Such characteristics shall include the rated voltage and frequency. NOTE The purpose of this requirement is to ensure that the user of the equipment has all necessary safety information. Information may be marked on the equipment important for any safety warningsprovided on the packaging for example, where the danger relates to not following assembly instructions or in user information provided with the product for example, assembly, maintenance and operation instructions.

NOTE The means of identifying the supplier should be such that an interested person can identify and contact the suppliereither directly from the information provided, or indirectly via information that is publicly available. The electrical equipment shall be so designed and manufactured as to ensure that protection against the dangers set out in Ass 4. Also, where electrical equipment is for location in restricted access areas i. NOTE For example, protection against direct contact may be achieved by insulation of conductors or by their inaccessibility within nzx.

Protection against indirect contact may be achieved by automatic disconnection of the supply in the event of a fault likely to cause a dangerous current to flow through a person in contact with exposed conductive parts. Other safety measures may also be suitable. NOTE The extent to which a danger exists needs to be considered in relation to the nature of the equipment and its use. Some equipment will normally operate at high temperatures for example, heating, cooking or lighting equipmentor represent a physical danger.

Nzss b does not apply ns the extent that if the equipment is normally used to produce such a result, this is a normally accepted risk in the use of such equipment. NOTE Examples of potential dangers are sharp edges, unexpected starting or stopping of the equipment, failure to stop if a dangerous situation arises, chemical, fire or explosion hazards that might arise from operation of the equipment, instability, vibration, falling or ejected objects.

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NOTE The choice of insulation should be based on the electrical, mechanical, chemical and physical stresses to which the insulation is likely to be subject in foreseeable use of the equipment.

NOTE For example, the design of tools and similar equipment, which may 8320 used outdoors, should take account of more adverse conditions of use than would apply to indoor devices. If the equipment is not for fixed or hand-held use, it should be sufficiently stable to remain in a specific position. NOTE For example, electrical equipment likely to be used near water should have the appropriate degree of protection against entry of aw.

Internal voltages shall not exceed 24 V unless it is ensured that the voltage and the current combination generated do not lead to any risk or harmful electric shock, even when the electric toy is broken. Electric toys may be supplied from a separate power supply. The power supply shall have an input voltage not exceeding V a.

It must include— a b c d A general description of the electrical equipment including photographs; Conceptual design and manufacturing drawings and schemes of components, subassemblies, circuits; Descriptions and explanations necessary for the understanding of said drawings and schemes and the operation of the electrical equipment; A list of the standards applied in full or in part, and descriptions of the solutions adopted to satisfy the safety aspects of this Standard where the standards listed in Appendix A have not been applied; Results of design calculations made, examinations carried out; Test reports; and Application and details of routine tests applied if any.

See also Internet address http: For other applicable Australian and New Zealand Standards, refer to the web sites or catalogues of the relevant Standards 382. These standards are developed through an open process of consultation and consensus, in which all interested parties are invited to participate. The Standards Council of New Zealand is the national authority responsible for the production of Standards. The requirements or recommendations contained in published Standards are a consensus of the views of representative interests and also take account of comments received from other sources.

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They reflect the latest scientific and industry experience. International Involvement Standards Australia and Standards New Zealand are responsible for ensuring that the Australian and New Zealand viewpoints are considered in the formulation of international Standards and that the latest international experience is incorporated in national and Joint Standards. This role is vital in assisting local industry to compete in international markets.

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