oSIST prEN IEC 60335-2-42:2026/oprA1:2026

• Abstract:

  This European Standard deals with the safety of electrically operated commercial forced convection ovens, steam cookers, steam-convection ovens and, exclusive of any other use, steam generators, not intended for household use. The rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances. Appliances within the scope of this standard are typically used in restaurants, canteens, hospitals and commercial enterprises such as bakeries, butcheries, etc

• Status: Not Published
• Public Enquiry End Date: 30-Jul-2026
• ICS: 97.040.20 - Cooking ranges, working tables, ovens and similar appliances
• Technical Committee: VGA - Safety of household and similar electrical appliances
• Current Stage: 4020 - Public enquire (PE) (Adopted Project)
• Start Date: 05-Jun-2026
• Due Date: 23-Oct-2026
• Completion Date: 03-Aug-2026
• Directive: 2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
• Directive:

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  2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Directive:

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  2023/1230 - Regulation (EU) 2023/1230 of the European Parliament and of the Council of 14 June 2023 on machinery and repealing Directive 2006/42/EC of the European Parliament and of the Council and Council Directive 73/361/EEC (Text with EEA relevance)
• Mandate: M/511 - Mandate to CEN, CENELEC and ETSI relating to harmonised standards in the field of the Low Voltage Directive
• Mandate: M/536 - [C(2015)536] Standardisation request as regards radio equipment in support of Directive 2014/53/EU
• Mandate: M/605 - COMMISSION IMPLEMENTING DECISION of 20.1.2025 on a standardisation request to the European Committee for Standardization and to the European Committee for Electrotechnical Standardization as regards machinery and related products in support of Regulation (EU) 2023/1230 of the European Parliament and of the Council
• Ref Project: prEN IEC 60335-2-42:2026/prA1:2026 - Household and similar electrical appliances - Safety - Part 2-42: Particular requirements for commercial electric forced convection ovens, steam cookers and steam-convection ovens

• Amends: oSIST prEN IEC 60335-2-42:2026 - Household and similar electrical appliances - Safety - Part 2-42: Particular requirements for commercial electric forced convection ovens, steam cookers and steam-convection ovens
• Effective Date: 14-Apr-2025
• Amended By: oSIST prEN IEC 60335-2-42:2026/oprAA:2026 - Household and similar electrical appliances - Safety - Part 2-42: Particular requirements for commercial electric forced convection ovens, steam cookers and steam-convection ovens
• Effective Date: 16-Sep-2025

oSIST prEN IEC 60335-2-42:2026/oprA1:2026 is a SIST publication in the International Electrotechnical Commission (IEC) safety series for commercial electric forced convection ovens, steam cookers and steam-convection ovens. It gives particular safety requirements for these electrically operated appliances, including direct current (DC) supplied appliances, and for steam generators used only in this application. The scope points to use in restaurants, canteens, hospitals, bakeries, butcheries and similar commercial enterprises.

What does oSIST prEN IEC 60335-2-42:2026/oprA1:2026 specify?

oSIST prEN IEC 60335-2-42:2026/oprA1:2026 is an amendment to the Part 2-42 safety requirements for commercial appliances in the IEC 60335 series. It updates the way the base standard applies to certain power supplies, battery-related cases, door movement and mechanical guarding.

The document is organized as targeted changes to these parts of the base standard:

Affected clause or annex	What it covers
Clause 1	Scope
Clause 3	Terms and definitions
Clause 11	Heating
Clause 12	Charging of metal-ion batteries
Clause 18	Endurance
Clause 20	Stability and mechanical hazards
Annex B	Battery-operated appliances, separable batteries and detachable batteries

In practice, this means the amendment is read together with the base Part 2-42 text and used where the listed clauses are revised.

What are the key requirements of oSIST prEN IEC 60335-2-42:2026/oprA1:2026?

The most important changes are in the scope, battery treatment, guarding and motorized door safety. These are the parts that affect design reviews, test plans and conformity checks.

• Clause 1 extends the scope to include appliances supplied by DC and removes the battery-operated appliance item from the scope wording. For users, this means DC-fed equipment is now clearly inside the intended application of the part.
• Clause 3.1.9 replaces the earlier wording for one defined term. In practice, readers should use the amended definition when checking the technical meaning of that term anywhere in the document.
• Clause 11.7 replaces the earlier heating text. This matters because heating behavior is a core safety topic for ovens and steam equipment, so the revised paragraph is the one to follow in temperature-related assessment.
• Clause 12 says that the requirements of Part 1 apply to charging of metal-ion batteries. In practice, the special charging text is not in this part, so the general appliance safety rules are used instead.
• Clause 18 says that the Part 1 endurance clause is not applicable. For test labs, that means the general endurance procedure from Part 1 is not used here.
• Clause 20.2 requires protective enclosures, guards and similar parts to be non-detachable or interlocked and to have adequate mechanical strength. This is the construction rule that helps keep users away from hazardous moving or live parts.
• Clause 20.103 adds a hazard check for automatic opening and closing of the door. For motorized doors, the movement must not create a dangerous condition, so the design must control pinch, crush and impact risk during closing.
• Annex B is deleted. That means battery-operated appliances, separable batteries and detachable batteries are no longer treated in a special annex in this part.

Who uses oSIST prEN IEC 60335-2-42:2026/oprA1:2026?

oSIST prEN IEC 60335-2-42:2026/oprA1:2026 is used by manufacturers, design engineers, test laboratories, certification bodies, quality managers and buyers of commercial kitchen equipment. It is especially relevant for suppliers of ovens, steam cookers, steam-convection ovens and related steam generators.

They use it when designing enclosures and door systems, planning safety tests, reviewing battery-related features, and checking whether equipment intended for food-service and other commercial sites fits the product category.

What changed in oSIST prEN IEC 60335-2-42:2026/oprA1:2026 from the previous edition?

This amendment updates IEC 60335-2-42:2021.

• It adds DC supplied appliances to the scope wording.
• It removes the battery-operated appliance item from the scope.
• It replaces the text in Clause 3.1.9 and Clause 11.7.
• It makes Clause 12 refer to Part 1 for charging of metal-ion batteries.
• It states that Clause 18 of Part 1 is not applicable.
• It tightens Clause 20.2 for protective enclosures, guards and similar parts.
• It adds Clause 20.103 for hazards caused by automatic door movement.
• It deletes Annex B.

What does the oSIST prEN IEC 60335-2-42:2026/oprA1:2026 document contain?

This amendment contains clause-by-clause replacement text rather than a full rewritten standard. The most concrete test content is in Clause 20.103, which sets a motorized door safety check and uses defined acceptance limits for the closing movement.

Clause 20.2 gives the construction rule for enclosures and guards, while Clause 12 and Annex B reset how battery-related appliances are handled in this part. Clause 1, Clause 3, Clause 11 and Clause 18 are revised to align the base safety text with the new scope and application rules.

SLOVENSKI STANDARD
01-julij-2026
Gospodinjski in podobni električni aparati - Varnost - 2-42. del: Posebne zahteve
za komercialne električne pečice s prisilnim kroženjem zraka, parne kuhalnike in
pečice s kroženjem pare - Dopolnilo A1
Household and similar electrical appliances - Safety - Part 2-42: Particular requirements
for commercial electric forced convection ovens, steam cookers and steam-convection
ovens
Sicherheit elektrischer Geräte für den Hausgebrauch und ähnliche Zwecke - Teil 2-42:
Besondere Anforderungen für elektrische Umluftöfen, Dampfgeräte und Heißluftdämpfer
für den gewerblichen Gebrauch
Appareils électrodomestiques et analogues - Sécurité - Partie 2-42: Exigences
particulières pour les fours à convection forcée, les cuiseurs à vapeur et les fours
combinés vapeur-convection électriques à usage commercial
Ta slovenski standard je istoveten z: prEN IEC 60335-2-42:2026/prA1:2026
ICS:
97.040.20 Štedilniki, delovni pulti, Cooking ranges, working
pečice in podobni aparati tables, ovens and similar
appliances
oSIST prEN IEC 60335-2- en
42:2026/oprA1:2026
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

IEC 60335-2-42 ®
Edition 6.0 2025-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Household and similar electrical appliances – Safety –

Part 2-42: Particular requirements for commercial electric forced convection

ovens, steam cookers and steam-convection ovens

Appareils électrodomestiques et analogues – Sécurité –

Partie 2-42: Exigences particulières pour les fours à convection forcée, les

cuiseurs à vapeur et les fours combinés vapeur-convection électriques à usage

commercial
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 97.040.20  ISBN 978-2-8327-0175-1

– 2 – IEC 60335-2-42:2021/AMD1:2025
© IEC 2025
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-42: Particular requirements for commercial electric forced
convection ovens, steam cookers and steam-convection ovens

AMENDMENT 1
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide a
...