1 Scope

This clause of Part 1 is replaced by the following.

This part of IEC 60335 deals with the safety of electric ondol-mattresses for household and similar purposes, their rated voltage being not more than 250 V including direct current (DC) supplied appliances and battery-operated appliances.

This standard also applies to control units supplied with the appliance.

Appliances not intended for normal household use, but that nevertheless can be a source of danger to the public, such as appliances intended to be used in community spas or by persons in cold ambient temperatures, are within the scope of this standard.

This document deals with the reasonably foreseeable hazards of intended use presented by appliances that are encountered by all persons and domestic animals in and around the home.

This standard does not apply to

• appliances intended exclusively for industrial purposes;

• 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);

• blankets, pads and similar flexible heating appliances (IEC 60335‑2‑17);

• room heaters (IEC 60335‑2‑30);

• water bed heaters (IEC 60335‑2‑66);

• heating appliances for breeding and rearing animals (IEC 60335‑2‑71);

• foot warmers and heating mats (IEC 60335‑2‑81);

• flexible sheet heating elements for room heating (IEC 60335‑2‑96);

• heated carpets and heating units for room heating installed under removable floor coverings (IEC 60335‑2‑106);

• appliances specifically intended for use under medical supervision (IEC 80601‑2‑35).

With European amendment A11, EN IEC 60335‑2‑111:2019 is superseded.

This European amendment A11 supplements or modifies the corresponding clauses of the standards below:

• EN IEC 60335‑1:2023+A11:2023+A12:2026 ¹ (Part 1)

• EN IEC 60335‑2‑111:2026 (Part 2)