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IEC 60335-2-90-ed.5.0
Household and similar electrical appliances - Safety - Part 2-90: Particular requirements for commercial microwave ovens
NORMA vydaná dňa 11.7.2024
Informácie o norme:
Označenie normy: IEC 60335-2-90-ed.5.0
Dátum vydania normy: 11.7.2024
Kód tovaru: NS-1189458
Počet strán: 144
Približná hmotnosť: 463 g (1.02 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy IEC
Kategórie - podobné normy:
Anotácia textu normy IEC 60335-2-90-ed.5.0 :
IEC 60335-2-90:2024 is available as IEC 60335-2-90:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60335-2-90:2024 deals with: - the safety of microwave ovens with a cavity door intended for commercial use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances. These appliances are not intended for household and similar purposes. They are used for commercial processing of food, also in areas open to the public, for example in kitchens of restaurants, canteens, hospitals and in commercial enterprises such as bakeries and butcheries; - the safety of combination microwave ovens with a cavity door, the requirements of which are contained in normative Annex AA; - the safety of microwave ovens without a cavity door and with transportation means that are intended for commercial use only, for the heating of food and beverages, the requirements of which are contained in normative Annex BB. Microwave ovens covered by normative Annex BB have transportation means for moving the load through the microwave oven. Requirements for tunnel microwave ovens and several types of microwave vending machines are covered. This standard also deals with microwave ovens intended to be used on board ships, for which normative Annex EE is applicable. In normative Annex BB, a microwave oven without a cavity door and with transportation means is described as a microwave oven. All clauses of this standard apply to these appliances unless otherwise specified in normative Annex BB. This part of IEC 60335 also takes into account ordinary persons having access to the removing area of the vending machine. The appliance can be built into a vending machine, in which case IEC 60335-2-75 can also be applicable. Appliances that use non-electrical energy are within the scope of this standard. As far as is practicable, this standard deals with the common hazards presented by these types of appliances. This standard does not take into account the use of a microwave oven without a cavity door and with transportation means by ordinary persons except in the vicinity of entrance and exit ports. The rationales for particular microwave exposure conditions and measures related to microwave energy being confined by an open structure are given in normative Annex BB. Attention is drawn to the fact that - for appliances intended to be used in vehicles or on trains, on board ships or board aircraft, additional requirements can be necessary; - for appliances intended to be used in tropical countries, special requirements can be necessary; - in many countries, the national health authorities, the national authorities responsible for the protection of labour and similar authorities specify additional requirements; - in many countries, national authorities specify additional requirements to BB.22.101.1. This standard does not apply to - Microwave ovens including combination microwave ovens for household use covered by IEC 60335-2-25 and used in the following environments by laymen: • staff kitchen areas in shops, offices and other working environments; • farm houses; • by clients in hotels, motels and other residential type environments; • bed and breakfast type environments. - industrial microwave heating equipment (IEC 60519-6); - appliances for medical purposes (IEC 60601); - appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas). This fifth edition cancels and replaces the fourth edition published in 2015 including its Amendment 1:2019. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) the appliance used in area open to the public has been introduced in Clause 1, 3.8.107, 7.12, 8.1.1, 11.8, 20.2, 22.103.2, 22.105 and 22.117; b) Subclauses 5.5, 7.12.1, 11.2, 11.7, 20.1 and 20.101 have been modified to add for stacking installation; c) Subclauses 7.1, 11.7 and 22.61 have been modified for the appliance outlets and socket-outlets; d) Subclause 7.12 has been improved in clarity; e) maximum temperature rises of external accessible surfaces have been added in Subclause 11.8; f) test criterion has been modified in Subclause 15.101; g) Subclause 16.101 has been modified to move the content of 16.101.1, 16.101.2 directly under 16.101. h) Subclauses 19.11.2, 19.13, Clause 21, Subclauses 22.105, 22.111 and Annex AA have been improved in clarity; i) Annex BB and Annex EE have been modified to add screw requirements. This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its amendments unless that edition precludes it; in that case, the latest edition that does not preclude it is used. It was established on the basis of the sixth edition (2020) of that standard. IEC 60335-2-90:2024 est disponible sous forme de IEC 60335-2-90:2024 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis ledition precedente.LIEC 60335-2-90:2024 traite: - de la securite des fours a micro-ondes a usage commercial avec porte de cavite dont la tension assignee est inferieure ou egale a 250 V pour les appareils monophases raccordes entre un conducteur de phase et le conducteur de neutre, et a 480 V pour les autres appareils. Ces appareils ne sont pas destines a un usage domestique ou analogue. Ils sont utilises pour la transformation commerciale des denrees alimentaires, egalement dans les zones ouvertes au public, par exemple dans les cuisines de restaurants, de cantines, dhopitaux et dans les entreprises commerciales telles que
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