IEC 60335-2-90-ed.5.0-EXV-RLV

Detail information

Designation: IEC 60335-2-90-ed.5.0-EXV-RLV

Publication date: 11/07/2024

Pages: 331

Country: International technical standard

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Anotation

This pack contains IEC 60335-2-90:2024 EXV and IEC 60355-2-90:2024 RLV. 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.