IEC 60335-2-119:2021 pdf free download

IEC 60335-2-119:2021 pdf free download HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY – Part 2-119: Particular requirements for commercial vacuum packaging appliances
1scope
This clause of Part 1 is replaced by the following.
This part of lEC 60335 deals with the safety of commercial electric packaging appliances usingvacuum conditions for food preservation, their rated voltage being not more than 250 V forsingle-phase appliances and 480 V for other appliances.
These appliances are not intended for household and similar purposes. They are used forcommercial preservation of food in areas not open to the public, for example in kitchens ofrestaurants, canteens, hospitals and in commercial enterprises such as bakeries and butcheries.
Examples of appliances that are within the scope of this standard are:
– chamber vacuum packaging appliances;
– vacuum packaging appliances.
These appliances may be provided with a film-sealing function.
This standard also deals with the hygiene aspects of appliances.
As far as is practicable, this standard deals with the common hazards presented by appliancesthat are encountered by users.However, in general, it does not consider young children playingwith the appliance.
Attention is drawn to the fact that:
– for appliances intended to be used in vehicles or onboard ships or aircraft，additional
requirements may be necessary;
– in many countries, additional requirements for appliances incorporating pressure vessels
are specified;
in many countries,additional requirements are specified by the national health authorities,the national authorities responsible for the protection of labour,the national water supplyauthorities and similar authorities.
This standard does not apply to:
– appliances which operate with injection in the vacuum chamber of inert gas with an oxygen
content exceeding 21 %;
appliances intended to be used in locations where special conditions prevail, such as thepresence of a corrosive or explosive atmosphere (dust， vapour or gas);
vacuum packaging appliances for household and similar use (IEC 60335-2-45);- battery-operated appliances.
2 Normative references
This clause of Part 1 is applicable except as follows.
Addition:
IEC 60068-2-52:201 7, Environmental testing – Part 2-52: Tests – Test Kb: Salt mist, cyclic (sodium chloride solution)
ISO 683-1 :201 6, Heat-treatable steels, alloy steels and free-cutting steels – Part 1:Non-alloy steels for quenching and tempering·
3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.1 Definitions relating to physical characteristics
3.1.9 Replacement:
operation of the appliance under the following conditions:
Vacuum packaging appliances and chamber vacuum packaging appliances without deaeration function are operated empty in vacuum and sealing cycles in accordance with the instructions, choosing the most unfavourable condition. If no instructions are given, the appliance is operated for the:
– vacuum function, the maximum period allowed by the construction;