IEC 60335-2-30:2009/AMD1:2016

Amendment 1 - Household and similar electrical appliances - Safety - Part 2-30: Particular requirements for room heaters

Amendement 1 - Appareils électrodomestiques et analogues - Sécurité - Partie 2-30: Règles particulières pour les appareils de chauffage des locaux

General Information

• Status: Published
• Publication Date: 15-Nov-2016
• ICS: 13.120 - Domestic safety
• ICS: 97.100.10 - Electric heaters
• Technical Committee: TC 61 - Safety of household and similar electrical appliances
• Current Stage: PPUB - Publication issued
• Start Date: 16-Nov-2016
• Completion Date: 31-Dec-2016

Relations

• Amends: IEC 60335-2-30:2009 - Household and similar electrical appliances - Safety -Part 2-30: Particular requirements for room heaters
• Effective Date: 05-Sep-2023

Overview

IEC 60335-2-30:2009/AMD1:2016 is an important amendment to the international safety standard specifically addressing household and similar electrical appliances, with a focus on room heaters. Developed by the International Electrotechnical Commission (IEC), this amendment updates Part 2-30 of IEC 60335-2-30, which defines the particular safety requirements for room heaters including specialized categories such as cab heaters for motor vehicles and heaters for caravans. The amendment ensures comprehensive safety protocols, marking, and testing procedures for these electrical heating appliances, enhancing user protection and compliance in global markets.

Key Topics

This amendment introduces critical revisions and additions that impact the design, testing, and labeling of room heaters:

• Scope expansion: Inclusion of electric heaters designed for stationary motor vehicle driver and passenger compartments (cab heaters), as well as caravan heaters, under the safety requirements of this part of the standard.
• Marking and instructions: New mandatory markings for cab heaters and enhanced user instructions addressing safe usage, installation guidelines, warnings about operation near water, and minimum distance requirements from flammable materials.
• Testing protocols: Detailed procedures for heating tests, abnormal operation tests, and environmental testing including vibration tests (reference to IEC 60068-2-6:2007). Specific test setups simulate real-use conditions such as mounting scenarios and airflow measurements.
• Temperature limitations: Clear limits on temperature rise for heater surfaces and components, designed to reduce fire risk and protect users from burns. For example, fixed heaters with plug connections have strict temperature rise limits for plugs, while cab heaters have defined maximum surface temperature values.
• Safety features: Requirements for non-self-resetting protective devices and their response times, helping to prevent overheating and faults that could result in hazards.
• Visual controls: Mandates for clear visual indications for switch positions to improve user interface and safety.

Applications

IEC 60335-2-30:2009/AMD1:2016 serves as a foundational safety benchmark used by manufacturers, testing laboratories, and regulatory authorities worldwide. Its key practical applications include:

• Design compliance: Manufacturers of household room heaters, cab heaters, and caravan heaters use this standard to meet stringent safety requirements from product development through to quality assurance.
• Product certification: Testing and certification bodies evaluate electrical room heaters to this IEC amendment to ensure conformity with international safety standards required in many global markets.
• Installation guidance: Provides essential instructions for safe installation of heaters in homes, vehicles, and caravans, minimizing risks associated with improper placement or operation.
• Consumer safety assurance: Promotes important user warnings and usage instructions that reduce hazards like fire, electric shock, and accidental burns.
• Market acceptance: Compliance with IEC 60335-2-30 facilitates acceptance and sales across diverse international regions by meeting harmonized safety expectations.

Related Standards

To fully address the safety of electrical heating appliances and related technologies, IEC 60335-2-30:2009/AMD1:2016 links closely with the following standards:

• IEC 60335-1 – General requirements for the safety of household and similar electrical appliances.
• IEC 60068-2-6:2007 – Environmental testing, notably vibration testing that is referenced for relevant heater tests.
• IEC 61032 – Protection of persons and equipment by enclosures; used for accessibility and safety probe tests in heater evaluations.
• IEC 60335-2-9 – Particular requirements for room heaters other than those covered by Part 2-30.
• Local adaptations – National safety regulations and electrical installation codes often align with IEC requirements for electrical appliance safety, influencing local certification practices.

---

IEC 60335-2-30:2009/AMD1:2016 embodies the latest consensus on safety for room heaters, delivering enhanced protection through updated marking, testing, and operational requirements. Manufacturers and testing entities are advised to incorporate these amendments to maintain compliance and ensure their heating appliances meet the highest standards for performance and user safety.

Standards Content (Sample)

IEC 60335-2-30 ®
Edition 5.0 2016-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Household and similar electrical appliances – Safety –
Part 2-30: Particular requirements for room heaters

Appareils électrodomestiques et analogues – Sécurité –
Partie 2-30: Exigences particulières pour les appareils de chauffage des locaux

IEC 60335-2-30:2009-11/AMD1:2016-11(en-fr)

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IEC 60335-2-30 ®
Edition 5.0 2016-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Household and similar electrical appliances – Safety –

Part 2-30: Particular requirements for room heaters

Appareils électrodomestiques et analogues – Sécurité –

Partie 2-30: Exigences particulières pour les appareils de chauffage des locaux

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.120, 97.100.10 ISBN 978-2-8322-3729-8

– 2 – IEC 60335-2-30:2009/AMD1:2016
© IEC 2016
FOREWORD
This amendment has been prepared by IEC technical committee 61: Safety of household and
similar electrical appliances.
The text of this amendment is based on the following documents:
FDIS Report on voting
61/5281/FDIS 61/5298/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
NOTE The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations may need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation
nationally not earlier than 12 months or later than 36 months from the date of publication.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
_____________
CONTENTS
Replace the title of Clause 3 by the following:
Terms and definitions
FOREWORD
In the list of differences existing in countries, delete the difference listed for Australia
concerning 11.8.
© IEC 2016
1 Scope
Add the following new dashed item to Note 101:
– cab heaters;
Add the following text as a new third paragraph:
This standard also deals with the safety of electric heaters intended for the heating of driver
and passenger compartments of motor vehicles when they are stationary, their rated voltage
being not more than 250 V.
In the first dashed item of Note 102 replace “vehicles” by “moving vehicles”.
Add the following new dashed item to Note 103:
– heaters intended for the heating of caravans.
2 Normative references
Add the following new reference:
IEC 60068-2-6:2007, Environmental testing – Part 2-6: Tests – Test Fc: Vibration (sinusoidal)
3 Definitions
Replace the title of Clause 3 but not the clause number, by the following:
Terms and definitions
Add the following new definition:
3.107
cab heater
fan heater for the heating of driver and passenger compartments of motor vehicles when the
vehicle is stationary
5 General conditions for the tests
5.2 Add the following to the addition:
Three additional samples are needed for the test of 19.113. The test of 19.117 is carried out
on one of these samples.
The test of 21.104 is carried out on a separate appliance.
The test of 21.106 is carried out on a separate appliance.
7 Marking and instructions
7.1 In the second paragraph of the addition, replace "except for colours" by "with or without
colours".
Add the following new text to the addition:

– 4 – IEC 60335-2-30:2009/AMD1:2016
© IEC 2016
Cab heaters shall be marked with the following:
Cab heater
Add the following new subclause:
7.10 Addition:
The different positions of switches and controls on room heaters shall be indicated by figures,
letters or other visual means. This requirement also applies to switches that are part of a
control.
The on position shall be clearly visible to the user when the heater is in its intended position
of use.
7.12 Replace the seventh paragraph of the addition by the following:
The instructions for portable heaters shall include the substance of the following:
– do not use this heater in the immediate surroundings of a bath, a shower or a swimming
pool;
– do not use this heater if it has been dropped;
– do not use if there are visible signs of damage to the heater;
– use this heater on a horizontal and stable surface, or fix it to the wall, as applicable.
Replace the last paragraph of the addition with the following:
The instructions for portable heaters shall include the substance of the following:
WARNING: Do not use this heater in small rooms when they are occupied by persons
not capable of leaving the room on their own, unless constant supervision is
provided.
WARNING: To reduce the risk of fire, keep textiles, curtains, or any other flammable
material a minimum distance of 1 m from the air outlet.
7.12.1 Add the following new paragraph to the addition:
The installation instructions for cab heaters shall state
– the shortest permissible distance between the heater outlet and the interior surfaces of the
motor vehicle;
– that the installation shall be in accordance with any instructions issued by the vehicle
manufacturer.
11 Heating
11.2 Add the following text to the addition as a new third paragraph:
Fixed heaters having a supply cord fitted with a plug are mounted in front of a flush
mounted type socket-outlet installed in the wall of the test corner with the plug inserted unless
– the distance between the heater and the wall does not exceed 30 mm; or
– the instructions state that the heater shall not be located in front of a socket-outlet.
Add the following new paragraphs:

© IEC 2016
For ceiling mounted heat lamp appliances, means for ventilation or ducting are provided in
accordance with the installation instructions.
Cab heaters are placed in the test corner as follows:
A test box as shown in Figure 103 and made of dull black-painted plywood approximately
20 mm thick is used. The wall A can be positioned at different distances from the far end of
the test box.
NOTE 104 The test box simulates the front driver/passenger compartment of a motor vehicle. One wall of the test
corner simulates the driver’s door.
The test box is placed in the test corner, with side B against one wall of the test corner and
the sloping end of the test box against the other wall of the test corner. The test corner shall
be at least 470 mm wide, 760 mm deep and 470 mm high.
NOTE 105 Wall B of the test box, as well as its bottom, can be open to facilitate access before and after the test.
The cab heater is placed in the test box in the most unfavourable position according to the
manufacturer's instructions, if it will fit into the test box, and with the distance L = 0 mm. The
shortest distance to the wall of the test box shall not be less than that stated in the
manufacturer's instructions for the shortest permissible distance between the heater outlet
and the interior surfaces of the motor vehicle. The wall A of the test box may be moved to
increase L to a maximum distance L = 220 mm.
If the manufacturer has not supplied any instructions for the placing of the cab heater or if the
heater cannot fit in the test box, the cab heater is placed in the most unfavourable position on
the floor of the test corner. Heaters containing PTC heating elements are placed away from
the walls if this will lead to higher temperatures.
11.8 Add the following new text to the addition:
For fixed heaters mounted in front of a socket-outlet, the temperature rise of the plug shall
not exceed 45 K.
During the test for cab heaters, the temperature rise of the walls of the cab heater test box
and the test corner shall not exceed 65 K.
The temperature rise of surfaces of cab heaters shall not exceed the values shown in
Table 102.
Table 102 – Maximum temperature rise for surfaces of cab heaters
Surface Temperature rise
K
Parts of the heater exposed to ambient air and that are accessible to test probe B of 90
IEC 61032
All surfaces that are curved with a radius not exceeding 10 mm or that are inclined at No limit
greater than 60° to the horizontal and that, in addition, are not accessible to test probe B of
IEC 61032
Other parts of the cab heater accessible to ambient air 275

19 Abnormal operation
19.1 Add the following new paragraphs to the modification:
Cab heaters are also subjected to the tests of 19.116.

– 6 – IEC 60335-2-30:2009/AMD1:2016
© IEC 2016
If relevant, then 19.117 is also applicable.
19.103 Replace the fifth and sixth paragraphs by the following:
The rear surface of the heater is completely covered with strips down to the floor if
– the heater is constructed to stand away from the wall by a distance exceeding 30 mm;
– for fixed heaters, the gap between the heater and the wall exceeds 30 mm, and the
horizontal distance
• between any two fixing points or spacers exceeds 200 mm, or
• between any fixing point or spacers and the end of heater exceeds 100 mm,
otherwise the rear surface is covered to a distance of approximately one-fifth of the height
of the heater from the top;
– for fixed heaters, the gap between the heater and the wall exceeds 30 mm, and
• the horizontal distance between spacers or fixing points is less than 100 mm, the rear
surface of the heater is covered down to the floor where the felt strips can fit and are
covered to a distance of approximately one-fifth of the height of the heater where the
felt strips are too wide; or
• having fixing points or spacers with a vertical distance to the top of less than one-fifth
of the height of the heater, the rear surface of the heater is covered from the top for a
distance to the fixing points or spacers at the fixing points or spacers and down to the
floor at other points.
19.107 Delete from the first paragraph “having an enclosure substantially of non-metallic
material”.
19.108 Replace the second paragraph of the test specification by the following:
2 2
± 16 g/m .
The paper has a specific mass of 80 g/m
19.109 Replace “Portable fan heaters” by “Cab heaters and portable fan heaters”.
19.112 Replace the first paragraph by the following:
Portable heaters are operated as specified in Clause 11 but placed on a soft-wood surface
that is covered with felt having the same specific mass and thickness as specified in 19.103
but without any textile material. The heater is overturned by placing it in the most
unfavourable position that can be reached by accident. The heater shall be overturned before
starting the test or after steady conditions are established, whichever sequence gives the
most unfavourable result.
NOTE 1 Thermal controls that operate during the test of Clause 11 are allowed to operate.
Thermocouples are attached to the back of small blackened disks of copper or brass, 15 mm
in diameter and 1 mm thick. The disks are spaced 50 mm apart and placed between the felt
and the overturned appliance in contact with the top surface of the felt. The disks are
supported to prevent them from sinking into the felt.
The felt or the wood surface shall not smoulder or ignite. The maximum temperature rise of
the felt shall not exceed 150K but an over-shoot of 25 K is allowed during the first hour.
19.113 Delete from the existing first paragraph “having an enclosure substantially of non-
metallic material”.
Add the following new paragraphs:

© IEC 2016
If compliance with 19.13 relies on the operation of a non-self-resetting protective device,
the time from energising the heating elements to the time that the non-self-resetting
protective device operates is recorded for the purposes of 19.117.
The test is repeated on three additional samples and the time from energizing the heating
elements to the time that the non-self-resetting thermal cut out operates on each sample is
recorded. After the test, all samples shall comply with 19.13 and the longest time recorded for
the four samples is used for the purposes of 19.117.
19.115 Add the following text to the end of the paragraph “and with the appliance being
supplied at 1,06 times rated voltage”.
Add the following new subclauses:
19.116 Cab heaters are positioned with the outlet air directed at a dull black-painted
plywood wall. The heater is placed so that the distance between the test wall and the air
outlet grille is 10 cm.
The cab heater is supplied at 1,15 times rated power input and is operated until steady
conditions are reached or a non-self-resetting protective device operates, whichever
occurs first.
All thermal controls that operate during the test of Clause 11 are short-circuited.
During the test, the temperature rise at the test wall shall not exceed 65 K.
19.117 Fan heaters are operated as specified in Clause 11, except that all thermal cut-
outs and controls are short-circuited and the fan motor is stalled. The fan heater is
energized for the longest time recorded during the test of 19.113 plus 5 s, and then it is de-
energized.
During the test, 19.13 is not applicable, but the fan heater shall not emit flames.
20 Stability and mechanical hazards
20.1 Replace the requirement by the following:
Heaters shall have adequate stability. This requirement does not apply to fixed heaters.
21 Mechanical strength
21.1 Replace the first paragraph of the test specification in the addition with the following:
Compliance is also checked by the tests of 21.101, 21.102 and 21.104.
Add the following to the test specification in the addition:
For cab heaters, the impact energy of the blows is increased to 1,0 J, the test being
performed at –25 °C after the appliance has been stored at this temperature for 24 h.
21.101 Add the following new paragraph:
This test is also applied to the air inlet and air outlet grilles of cab heaters.

– 8 – IEC 60335-2-30:2009/AMD1:2016
© IEC 2016
Add the following new subclauses:
21.104 Portable fan heaters, other than those intended to be operated at maximum heat
output with the fan switched off, are subjected to the following test.
All self-resetting thermal cut-outs and controls that operate during the test of Clause 11 are
short-circuited. The heater is then placed in a sling constructed by tying together the four
corners of a single layer of cheesecloth. The sling is arranged so that the appliance is kept in
its normal operation position and its lowest point is suspended at a height of 500 mm above
a horizontal hardwood board approximately 20 mm thick placed on a concrete or similar hard
surface. The heater in the sling is then dropped once.
The fan motor is stalled, and the portable fan heater is operated as specified in Clause 11.
The portable fan heater shall not emit flames. After the test, the requirements of 8.1 and
16.3 shall be met.
21.105 Cab heaters shall withstand vibrations liable to occur during normal use. If the
mounting instructions for the cab heater give several mounting options, the test shall be
carried out in the most unfavourable mounting position.
Compliance is checked by carrying out the vibration tests specified in IEC 60068-2-6 under
the following conditions.
The appliance is mounted as in normal use and is then fastened to a vibration-generator. The
type of vibration is sinusoidal, and the severity is as follows:
– the direction of vibration is vertical;
– the amplitude of vibration is 0,35 mm;
– the sweep frequency range is 10 Hz to 55 Hz;
– the duration of the test is 30 min.
After the test, the appliance shall show no damage that could impair compliance with this
standard; in particular, compliance with 8.1, 15.1, 16.3 and Clause 29 shall not be impaired.
Screws shall not have changed position and connections shall not have worked loose.
If the test item comes off its mounting, it shall be subject to the test of Clause 11 in all
positions which the appliance can take when it comes off. During this test, the temperature
rise of the supporting surface shall not exceed 150 K.
21.106 Cab heaters other than those intended to be permanently mounted shall withstand
the effects of being dropped.
Compliance is checked by subjecting the cab heater to test free fall - Procedure 1 of
IEC 60068-2-31. The appliance is dropped vertically onto its base from a height of 500 mm.
After the test, compliance with 8.1, 16.3 and Clause 29 shall not be impaired.
21.107 Floor level grilles of heaters intended to be built into the floor shall have adequate
strength.
mechanical
Compliance is checked by the following test.
The floor level grille is installed as specified in 11.2. A mass, having a flat base with
dimensions 300 mm × 150 mm, with a value of 100 kg or the maximum value specified by the

© IEC 2016
manufacturer, whichever is most unfavourable, is placed for 1 min on the central unsupported
part of the grille.
During the test, the maximum deflection of the grille shall not exceed 3 mm.
After the test, the grille shall show no significant permanent deformation and shall not have
fallen from its supporting structure. The creepage distances and clearances shall not be
reduced below those specified in Clause 29.
22 Construction
Add the following new subclause:
22.2 Addition:
Fixed heaters that may be installed in front of a socket-outlet shall incorporate a switch
complying with 24.3 or shall contain a statement in the instructions that a disconnecting
switch incorporated in the fixed wiring shall be provided.
22.109 Add the following sentence to the requirement:
If the heater has a stand-by mode, it is considered to be on.
Add the following new subclauses:
22.111 Normally open switches relying on contact with the floor to keep them in the closed
position shall have moving contacts that come to rest in either the closed or open position
even when the operating means is in an intermediate position.
Compliance is checked by inspection and by the relevant test.
The adequacy of the separation of the contacts in an intermediate position is determined by
the test of the mechanism according to Clause 13 of IEC 61058-1:2000 and, if necessary, by
the test of 15.3 of IEC 61058-1:2000, the test voltage being applied between the relevant
terminals.
22.112 Cab heaters shall not contain bare heating elements.
Compliance is checked by inspection.
24 Components
24.1.4 Add the following new paragraphs to the modification:
For thermostats of cab heaters, the number of cycles of operation is increased to 100 000.
For self-resetting thermal motor protectors for motors in cab heaters, the number of
cycles of operation is increased to 10 000.
24.101 Add the following to the requirement:
Protective devices other than thermal motor protectors, incorporated in cab heaters in order
to comply with Clause 19, shall not be self-resetting.

– 10 – IEC 60335-2-30:2009/AMD1:2016
© IEC 2016
Non-self-resetting thermal cut-outs, incorporated in cab heaters that are reset by
disconnection of the supply mains are considered to be self-resetting.
Add the following new subclause:
24.102 Protective devices other than thermal motor protectors, incorporated in cab heaters
in order to comply with Clause 19, shall not close automatically when subjected to low
temperatures.
Compliance is checked by the following test.
Three samples of the protective device are set in open position and kept at a temperature of
–35 °C for 18 h. During this period, none of the samples shall change to the make position.
25 Supply connection and external flexible cords
25.7 Replace the first paragraph of the addition by the following:
Supply cords of portable heaters intended for use in greenhouses and for cab heaters shall
be polychloroprene sheathed cord.
...