IEC 60320-1-2021 Appliance couplers for household and similar general purposes – Part 1: General requirements. This part of lEC 60320 sets the general requirements for appliance couplers for two poles and two poles with earth contact and for the connection of electrical devices for household and similar onto the mains supply. This document is also valid for appliance inlets/appliance outlets integrated or incorporated in appliances. The rated voltage does not exceed 250 V (AC) and the rated current does not exceed 1 6 A. Appliance couplers complying with this document are suitable for normal use at ambient temperatures not normally exceeding +40 °C, but their average over a period of 24 h does not exceed +35 °C, with a lower limit of the ambient air temperature of −5 °C. Annex E provides test requirements for derating the operating current of an accessory when used in ambient temperatures above +35 °C up to and including +90 °C. Appliance couplers are not suitable for: – use in place of plug and socket-outlet systems according to IEC 60884-1 ; – use in place of devices for connecting luminaires (DCLs) according to IEC 61 995 or luminaire supporting couplers (LSCs); – use in place of installation couplers according to IEC 61 535. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60068-2-31 , Environmental testing – Part 2-31: Tests – Test Ec: Rough handling shocks, primarily for equipment-type specimens IEC 60068-2-60, Environmental testing – Part 2-60: Tests – Test Ke: Flowing mixed gas corrosion test IEC 60068-2-75, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests IEC 601 1 2:2020, Method for the determination of the proof and the comparative tracking indices of solid insulating materials IEC 60227 (all parts), Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V.IEC 60320-1 pdf download.
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