IEC 61010-1:2010/AMD1:2016
(Amendment)Amendment 1 - Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
Amendment 1 - Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
The contents of the corrigendum of March 2019 have been included in this copy.
Amendement 1 - Règles de sécurité pour appareils électriques de mesurage, de régulation et de laboratoire - Partie 1: Exigences générales
Le contenu du corrigendum de mars 2019 a été pris en considération dans cet exemplaire.
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IEC 61010-1 ®
Edition 3.0 2016-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Safety requirements for electrical equipment for measurement, control, and
laboratory use –
Part 1: General requirements
Règles de sécurité pour appareils électriques de mesurage, de régulation et de
laboratoire –
Partie 1: Exigences générales
IEC 61010-1:2010-06/AMD1:2016-12(en-fr)
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IEC 61010-1 ®
Edition 3.0 2016-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Safety requirements for electrical equipment for measurement, control, and
laboratory use –
Part 1: General requirements
Règles de sécurité pour appareils électriques de mesurage, de régulation et de
laboratoire –
Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 19.080; 71.040.10 ISBN 978-2-8322-3717-5
– 2 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
FOREWORD
This amendment has been prepared by IEC technical committee 66: Safety of measuring,
control and laboratory equipment.
The text of this amendment is based on the following documents:
FDIS Report on voting
66/612/FDIS 66/620/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• withdrawn,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.
The contents of the corrigendum of March 2019 have been included in this copy.
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.
___________
© IEC 2016
1 Scope and object
1.1 Scope
1.1.1 Equipment included in scope
Addition:
Add the following first paragraph:
This group safety publication is primarily intended to be used as a product safety standard for
the products mentioned in the scope, but shall also be used by technical committees in the
preparation of their publications for products similar to those mentioned in the scope of this
standard, in accordance with the principles laid down in IEC Guide 104 and
lSO/lEC Guide 51.
2 Normative references
Deletion:
Delete the following references:
IEC 60405, Nuclear instrumentation – Constructional requirements and classification of
radiometric gauges
ISO 306:1994, Plastics – Thermoplastic materials – Determination of Vicat softening
temperature (VST)
Replacement:
Replace
IEC 60364-4-44, Low-voltage electrical installations – Part 4-44: Protection for safety –
Protection against voltage disturbances and electromagnetic disturbances
with the following:
IEC 60364-4-44:2007, Low-voltage electrical installations – Part 4-44: Protection for safety –
Protection against voltage disturbances and electromagnetic disturbances
IEC 60364-4-44:2007/AMD1:2015
Addition:
Add the following references:
IEC 60947-2, Low-voltage switchgear and controlgear – Part 2: Circuit-breakers
IEC 62471, Photobiological safety of lamps and lamp systems
IEC TR 62471-2, Photobiological safety of lamps and lamp systems – Part 2: Guidance on
manufacturing requirements relating to non-laser optical radiation safety
IEC 62598, Nuclear instrumentation – Constructional requirements and classification of
radiometric gauges
– 4 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
ISO 306:2013, Plastics – Thermoplastic materials – Determination of Vicat softening
temperature (VST)
ISO 13857, Safety of machinery – Safety distances to prevent hazard zones being reached by
upper and lower limbs
EN 378-2, Refrigerating systems and heat pumps – Safety and environmental requirements.
Design, construction, testing, marking and documentation
4 Tests
4.1 General
Addition:
Add the following paragraph after the second paragraph of the conformity statement:
Tests needed to support a RISK assessment (see Clause 17) are carried out in the
combinations of conditions and operations determined during the RISK assessment.
4.4.1 General
Addition:
Add the following text at the end of item c):
If the environmental limits of the reference test conditions (see 4.3) do not allow realistic
assessment of SINGLE FAULT CONDITIONS, the test shall be conducted at the least favourable
RATED environmental conditions of the equipment.
4.4.2.2 PROTECTIVE IMPEDANCE
Deletion:
Delete item b) and renumber item c) as item b).
5 Marking and documentation
5.1.3 MAINS supply
Replacement:
Replace the conformity statement with the following:
Conformity is checked by inspection and by measurement of power or input current to check
that the requirements of 5.1.3 c) have been met. The measurement is made at each RATED
voltage range with the equipment in the condition of maximum power or current consumption
as applicable with all accessories and plug-in modules connected. If the input current varies
during the normal operating cycle, the steady-state current is taken as the mean indication of
the highest measured r.m.s. value during a 1 min period of the normal operation cycle. To
exclude any initial inrush current, the measurement is not made until the current has
stabilized (usually after 1 min). Transients are ignored.
5.1.5.2 TERMINALS
Deletion:
© IEC 2016
Delete, in item c), the word “control”.
5.2 Warning markings
Replacement:
Replace the first paragraph with the following:
Warning markings specified in this standard shall meet the following requirements.
Replacement:
Replace the paragraph prior to the conformity statement with the following:
If the instructions for use state that an OPERATOR is permitted to gain access, using a TOOL, to
a part or location which in NORMAL USE may present a HAZARD, there shall be a warning
marking indicating that the equipment must be placed in a safe state before access. Symbol
14 shall be used for this purpose with the warning text included in the documentation.
Additional symbols may be used to indicate the nature of the HAZARD such as symbol 12, 13,
or 17 as appropriate.
Symbols are the preferred marking method over text warnings. Supplemental text may be
provided adjacent to the symbol.
5.4.1 General
Replacement:
In item h), replace “(see 7.5)” with “(see 7.5.1)”.
5.4.2 Equipment RATINGS
Replacement:
Replace items d) and e) with the following:
d) a statement of the range of environmental conditions for which the equipment is designed
including:
1) indoor or outdoor use,
2) altitude,
3) temperature,
4) relative humidity,
5) MAINS supply voltage fluctuations,
6) OVERVOLTAGE CATEGORY, except for cord/plug-connected equipment,
7) WET LOCATION, if applicable,
8) POLLUTION DEGREE of the intended environment,
e) for equipment RATED for ingress protection according to IEC 60529 the information
required in 11.6.1;
5.4.3 Equipment installation
Replacement:
Replace the first paragraph with the following:
– 6 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
The documentation shall include installation and specific commissioning instructions and, if
necessary for safety, warnings against HAZARDS which could arise during installation or
commissioning or as a result of improper installation or commissioning of the equipment. Such
information includes, if applicable:
Replacement:
Replace item f) with the following:
f) requirements and safety characteristics for special external services, for example:
maximum and minimum temperature, pressure, or flow of air or cooling liquid;
5.4.5 Equipment maintenance and service
Replacement:
Replace the first paragraph with the following:
Instructions shall be provided to the RESPONSIBLE BODY in sufficient detail to permit safe
maintenance, inspection and testing of the equipment, and to ensure continued safety of the
equipment after the maintenance, inspection and test procedure.
6 Protection against electric shock
6.2.1 General
Replacement:
Replace, at the end of the first paragraph, “(see 6.9.1)” with “(see 6.9.2)”.
6.3.1 Levels in NORMAL CONDITION
Replacement:
Replace the text of item a) with the following:
a) The a.c. voltage levels are 30 V r.m.s., 42,4 V peak, and the d.c. voltage level is 60 V. For
equipment intended for use in WET LOCATIONS, the a.c. voltage levels are 16 V r.m.s.,
22,6 V peak, and the d.c. voltage level is 35 V.
6.3.2 Levels in SINGLE FAULT CONDITION
Replacement:
Replace the first two sentences of item a) with the following:
The a.c. voltage levels are 50 V r.m.s., 70 V peak, and the d.c. voltage level is 120 V. For
equipment intended for use in WET LOCATIONS, the a.c. voltage levels are 33 V r.m.s.,
46,7 V peak, and the d.c. voltage level is 70 V.
Replacement:
Replace Figure 2 with the following:
© IEC 2016
A B C D
5,0
3,0
2,0
1,0
0,50
0,30
0,20
0,10
0,05
0,03
0,02
0,01
10 20 30 50 100 200 300 500 1 000
V
IEC
Key
A a.c. voltage level in WET LOCATIONS C d.c. voltage level in WET LOCATIONS
B a.c. voltage level in dry locations D d.c. voltage level in dry locations
NOTE The lines A and C continue with lines B and D below the value of 0,2s
Figure 2 – Maximum duration of short-term ACCESSIBLE voltages
in SINGLE FAULT CONDITION (see 6.3.2 a))
t (s)
– 8 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
6.6.4 TERMINALS for stranded conductors
Replacement:
Replace the first paragraph and its conformity statement with the following:
TERMINALS for stranded conductors that are intended to be connected during installation,
maintenance, or operation of the equipment shall be located or shielded so that there is no
possibility of accidental contact between HAZARDOUS LIVE parts of different polarity or between
such parts and other ACCESSIBLE parts, even if a strand of a conductor escapes from a
TERMINAL. This requirement does not apply to connections that are only to be made at the
manufacturing facility.
Conformity is checked by inspection after fully inserting a stranded conductor:
a) with the maximum length of insulation removed as specified by the equipment
manufacturer, or
b) with an 8 mm length of insulation removed if no specification is given by the equipment
manufacturer.
With one of the strands free, the free strand shall not touch parts of different polarity or other
ACCESSIBLE parts, when bent in every possible direction, without tearing back the insulation or
making sharp bends.
6.7.1.3 CREEPAGE DISTANCES
Addition:
Add the following paragraph just before the last paragraph:
A CREEPAGE DISTANCE may be split in several portions of different materials and/or have
different POLLUTION DEGREES if one of the CREEPAGE DISTANCES is dimensioned to withstand
the total voltage or if the total distance is dimensioned according to the material having the
POLLUTION DEGREE.
lowest CTI and the highest
6.7.1.5 Requirements for insulation according to type of circuit
Addition:
Add, after NOTE 3, the following new NOTE:
NOTE 4 The assumed TRANSIENT OVERVOLTAGE level for MAINS is equal to the required RATED impulse voltage of
equipment in Table 443.2 of IEC 60364-4-44:2007/AMD1:2015.
6.7.2.1 CLEARANCES and CREEPAGE DISTANCES
Addition:
Add, at the bottom of Table 4, the following:
Linear interpolation of the CREEPAGE DISTANCES is allowed.
6.7.2.2 Solid insulation
6.7.2.2.1 General
Replacement:
Replace the first conformity statement with the following:
© IEC 2016
Conformity is checked by inspection, and by the a.c. test of 6.8.3.1 or the d.c. test of 6.8.3.2
using the applicable voltage from Table 5 for 1 min.
6.7.2.2.4 Thin-film insulation
Replacement:
Replace the conformity statement for item c) with the following:
Conformity is checked by the a.c. test of 6.8.3.1 or the d.c. test of 6.8.3.2 applied to two of the
three layers using the applicable voltage for REINFORCED INSULATION from Table 5 for 1 min.
6.7.3.2 CLEARANCES
Replacement:
Replace Table 6 with the following:
– 10 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
Table 6 – CLEARANCES and test voltages for secondary circuits derived from MAINS
CIRCUITS of OVERVOLTAGE CATEGORY II up to 300 V
MAINS voltage, line-to-neutral, OVERVOLTAGE CATEGORY II
Secondary
≤ 150 V > 150 V ≤ 300 V
WORKING VOLTAGE
a.c. r.m.s. a.c. r.m.s.
a.c. r.m.s. d.c. or a.c. peak CLEARANCE Test voltage CLEARANCE Test voltage
V V mm V a.c. r.m.s. mm V a.c. r.m.s.
16 22,6 0,10 500 0,48 830
30 42,4 0,11 510 0,50 840
50 70 0,12 520 0,53 860
100 140 0,13 540 0,61 900
150 210 0,16 580 0,69 940
300 420 0,39 770 0,94 1 040
600 840 1,01 1 070 1,61 1 450
1 000 1 400 1,92 1 630 2,52 1 970
1 250 1 750 2,50 1 960 3,16 2 280
1 600 2 240 3,39 2 390 4,11 2 730
2 000 2 800 4,49 2 890 5,30 3 230
2 500 3 500 6,02 3 520 6,91 3 850
3 200 4 480 8,37 4 390 9,16 4 660
4 000 5 600 10,9 5 320 11,6 5 610
5 000 7 000 14,0 6 590 14,9 6 960
6 300 8 820 18,2 8 270 19,1 8 620
8 000 11 200 23,9 10 400 24,7 10 700
10 000 14 000 30,7 12 900 31,6 13 300
12 500 17 500 39,6 16 100 40,5 16 400
16 000 22 400 52,5 20 400 53,5 20 700
20 000 28 000 67,9 25 300 68,9 25 600
25 000 35 000 87,9 31 600 89,0 32 000
32 000 44 800 117 40 400 118 40 700
40 000 56 000 151 50 300 153 50 800
50 000 70 000 196 62 800 198 63 400
63 000 88 200 258 79 400 260 80 000
Linear interpolation is allowed.
6.8 Procedure for voltage tests
6.8.1 General
Addition:
Add, after the fifth paragraph, the following:
When verifying a CLEARANCE within equipment, it is necessary to ensure that the specified
voltage appears at the CLEARANCE. PROTECTIVE IMPEDANCE, impedances and voltage-limiting
devices in parallel with the insulation to be tested may be disconnected.
© IEC 2016
6.8.3.1 The a.c. voltage test
Replacement:
Replace the first paragraph with the following:
The voltage tester shall have a regulated output capable of maintaining the test voltage
throughout the test. The waveform of the test voltage shall be substantially sinusoidal. This
requirement is fulfilled if the ratio between the peak value and the r.m.s. value is 2 ± 3 %.
The a.c. voltage test is performed at the RATED MAINS frequency, but for equipment RATED for
MAINS frequencies including 50 Hz and 60 Hz, a test at either 50 Hz or at 60 Hz is sufficient.
6.8.3.2 The 1 min d.c. voltage test
Replacement:
Replace the title of 6.8.3.2 with the following:
6.8.3.2 The d.c. voltage test
Replacement:
Replace the second paragraph with the following:
The d.c. test voltage is raised uniformly from 0 V to the specified value within 5 s and held at
that value for at least the specified time.
6.8.3.3 The impulse voltage withstand test
Replacement:
Replace the title of 6.8.3.3 with the following:
6.8.3.3 The impulse voltage test
6.11.4.2 Switches and circuit-breakers
Replacement:
Replace the first paragraph with the following:
An equipment circuit-breaker employed as a disconnecting device shall meet the relevant
requirements of IEC 60947-2, and be suitable for the application.
An equipment switch employed as a disconnecting device shall meet the relevant
requirements of IEC 60947-3, and be suitable for the application.
Replacement:
Replace the second sentence of the second paragraph with the following sentence:
If there is only one device – one switch or one circuit-breaker – symbols 9 and 10 of Table 1
are sufficient if the symbols are marked on or adjacent to the switch or circuit-breaker.
– 12 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
7 Protection against mechanical HAZARDS
7.1 General
Replacement:
Replace the NOTE with the following:
NOTE If the equipment consists of two or more units, the value of the mass refers to the mass of each individual
unit. However, if one or more units are intended to be attached to and supported by another unit, these units are
treated as a single unit.
7.3.3 RISK assessment for mechanical HAZARDS to body parts
Table 12 – Protective measures against mechanical HAZARDS to body parts
Replacement:
d
Replace, in footnote “ Minimum protective measures:” the text of B with the following:
B = Moderate measures; emergency switches, PROTECTIVE BARRIERS or covers removable only
with a TOOL, distances (see ISO 13857), or separations (see ISO 13854 or EN 349).
7.3.4 Limitations of force and pressure
Deletion:
Delete the second sentence of the third paragraph.
Addition:
Add the following at the end of the conformity statement:
For the purposes of this subclause, the width of a finger is considered to be 1,2 cm and the
width of any other body part is considered to be 5,0 cm. The contact area will be determined
to be the width of the body part multiplied by the width of the moving part, or the cross-
sectional contact area of the moving part, if smaller.
EXAMPLE In a particular case, a finger might be able to touch a moving part that is 0,9 mm wide. If the part can
exert a continuous force of 40 N, then the contact pressure would be calculated as:
Area = 1,2 cm × 0,09 cm = 0,108 cm
2 2
Pressure = 40 N / 0,108 cm = 370 N/cm
In this case, the pressure exceeds the permissible limit even though the force is less than the permissible limit. In
this case, the moving part would be considered to be hazardous.
7.4 Stability
Replacement:
Replace the third paragraph with the following:
Each castor and support foot shall be RATED to support a load not less than its normal load, or
the castors and support feet shall be tested according to d) or e) below.
Deletion:
Delete NOTE 2 and renumber NOTE 1 as “NOTE”.
© IEC 2016
9 Protection against the spread of fire
9.4 Limited-energy circuit
Replacement:
Replace item c) as follows:
c) It is separated by at least BASIC INSULATION from other circuits having energy values
exceeding criteria a) or b) above.
9.6.1 General
Replacement:
Replace the conformity statement with the following:
Conformity is checked by inspection and measurement and for solid insulation by the a.c.
voltage test of 6.8.3.1 or the d.c. voltage test of 6.8.3.2 (without humidity preconditioning)
using the test voltage from Table 5 for BASIC INSULATION for the appropriate line-to-neutral
voltage for 1 min. EMC capacitors meeting the requirements of Clause 14 may be
disconnected during the voltage test.
10 Equipment temperature limits and resistance to heat
10.1 Surface temperature limits for protection against burns
Replacement:
Replace, in the NOTE in Table 19, "EN 563" with "ISO 13732-1".
10.4.1 General
Addition:
Add, after the second paragraph, the following:
Alternatively, temperature measurements are made at the least favourable ambient
temperature within the RATED ambient temperature range of the equipment if this represents a
less favourable condition. Measures are taken to eliminate errors caused by the method of
achieving the test ambient temperature (e.g. suitable baffling or enclosure if the test is
conducted in an environmental chamber and the forced air movements would cool the exterior
of the equipment).
11 Protection against HAZARDS from fluids
Replacement:
Replace the title with the following:
11 Protection against HAZARDS from fluids and solid foreign objects
11.1 General
Replacement:
– 14 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
Replace the first paragraph with the following:
Equipment shall be designed to give protection to OPERATORS and the surrounding area
against HAZARDS from fluids and solid foreign objects encountered in NORMAL USE.
Addition:
Add a new Note 3:
NOTE 3 All pressures in Clause 11 are gauge pressures.
Replacement:
Replace the conformity statement with the following:
Conformity is checked by the treatment and tests of 11.2 to 11.7 as applicable.
11.6 Specially protected equipment
Replacement:
Replace the title and the text with the following:
11.6 Equipment RATED with a degree of ingress protection (IP code)
11.6.1 General
Equipment RATED by the manufacturer as conforming to one of the degrees of protection as
defined in IEC 60529 shall adequately resist the ingress of solid foreign objects and water
which could lead to a HAZARD.
Equipment may have different degrees of protection depending on the mounting
arrangements, or the assembly or operating conditions. The degrees of protection shall be
specified in the documentation for each mounting arrangement. If the degree of protection
depends on particular positions, covers, seals, or operating conditions, these conditions shall
be specified in the documentation.
If the RATING is marked on the equipment, it shall be marked on the equipment in a manner to
avoid misunderstanding and misuse. The designations of IEC 60529 shall be used (IP code).
The IP code and related operating or non-operating conditions shall be explained in the
documentation together with other warnings.
For IPx8 testing, the water level above the equipment and the test duration shall be applied
as specified in the documentation. The aforementioned conditions shall be more severe than
those for IPx7 according to IEC 60529.
Conformity is checked by inspection and as specified in 11.6.2 to 11.6.4 as applicable.
11.6.2 Conditions for testing
The equipment shall be in a clean and new condition with all parts in place and mounted in
the manner defined by the manufacturer. If it is impracticable to test the complete equipment,
representative parts or smaller equipment having the same full-scale design details shall be
tested.
HAND-HELD EQUIPMENT is placed in the least favourable position. Portable equipment is placed
in the least favourable position of normal use. Other equipment is positioned or installed as
specified in the installation instructions.
© IEC 2016
TERMINALS are considered to be part of the equipment. However, TERMINALS provided with a
protective cap or cover necessary to maintain the rated degree of protection are installed as
specified by the manufacturer.
The equipment is operating (energized) during the treatment except
a) if the manufacturer specifies degrees of protection for non-operating (de-energized)
equipment, or
b) if, whether the equipment is operating or not operating during the treatment does not
affect the test results.
EXAMPLE 1 A field housing contains electronics. Generally in this case it has no influence on the test results
whether the electronics inside is operated or not. So the testing of the equipment can also be conducted without
the electronics built in.
EXAMPLE 2 An equipment enclosure has a rotating shaft protruding from it using an appropriate seal for the
relevant ingress protection rating. In this case the rotation of the shaft is considered as affecting the test results.
11.6.3 Protection against solid foreign objects (including dust)
The applicable test of IEC 60529 for protection against solid foreign objects is performed.
After the test, conformity is checked by inspection of the sample according to the acceptance
criteria of IEC 60529.
Additionally, the equipment is inspected for ingress of foreign objects. In particular, they shall
not:
a) deposit on insulation parts where it could lead to a HAZARD;
b) create accumulations that have the potential to cause the spread of fire.
NOTE A HAZARD could be caused by the bridging of conductive parts by conductive dust, or by non-conductive
dust made wet by humidity.
11.6.4 Protection against water
The applicable test of IEC 60529 for protection against water is performed.
The equipment is inspected for ingress of water. If any water has entered, it shall not impair
safety. In particular, it shall not:
a) deposit on insulation parts where it could lead to a hazard;
b) reach hazardous live parts or windings not designed to operate when wet;
c) accumulate near the end of a cable or enter the cable where it could cause a hazard;
d) accumulate where it could lead to a HAZARD taking in consideration movement of the
equipment.
11.7.2 Leakage and rupture at high pressure
Replacement:
Replace the text of 11.7.2, except the first paragraph, with the following:
National authorities may allow safety to be established by calculation, for example according
to the Pressure Equipment Directive (2014/68/EU).
Conformity is checked by inspection and, if a HAZARD could arise, by the following hydraulic
test.
– 16 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
The test pressure (P ) is the maximum working pressure (P ) multiplied by the applicable
test max
factor of Figure 16. Any overpressure safety device which could limit the test pressure is
deactivated during the test.
The test pressure is raised gradually to P and is held at that value for 1 min. The sample
test
shall not burst, suffer from permanent (plastic) deformation, or leak. Provided that the test
pressure is maintained, leakage at a gasket during this test is not considered a failure unless
it occurs at a pressure below 75 % of P , or below P , whichever is greater.
test max
No leakage is allowed from fluid-containing parts intended for toxic, flammable, or otherwise
hazardous substances if it could be a HAZARD.
If fluid-containing parts cannot be hydraulically tested, integrity may be verified by other
suitable tests, for example pneumatic tests using suitable media, at the same test pressure as
for the hydraulic test.
As an exception to the above requirements, fluid-containing parts of refrigeration systems
shall meet the relevant pressure-related requirements of EN 378-2 or IEC 60335-2-89 as
applicable.
Conformity is checked as specified in EN 378-2 or IEC 60335-2-89 as applicable.
Pneumatic overpressure tests should only be conducted if no other option is available. This
test can be extremely hazardous. The sudden release of stored energy due to a rupture of the
test specimen can lead to severe injury or death. The stored energy in the pressurized system
should be understood and appropriate safeguards put in place. These tests should only be
conducted behind an explosion shield or within a suitable enclosure to protect laboratory
personnel from flying debris, audible hazards, and in extreme cases the blast wave.
P /P
test max
2,5
2,0
1,5
1,3
1,0
0,5
0 5 10 15 20 25 30 35
P (MPa)
max
IEC
Figure 16 – Ratio between test pressure and maximum working pressure
© IEC 2016
12 Protection against radiation, including laser sources, and against sonic and
ultrasonic pressure
12.2.1.1 General
Replacement:
Replace IEC 60405 with IEC 62598.
Deletion:
Delete NOTE 2, and renumber NOTE 3 as NOTE 2.
12.3 Ultraviolet (UV) radiation
Replacement:
Replace the title and text with the following:
12.3 Optical radiation
Equipment with lamps and lamp systems emitting ultraviolet, visible, or infrared radiation,
including light emitting diodes, shall not permit unintentional escape of radiation that could
cause a HAZARD.
The radiation sources shall be assessed in accordance with IEC 62471 except for sources
considered to be safe (Table 22) or conditionally safe (Table 23). Lamp and lamp systems
assessed to be in Risk Groups 1, 2 or 3 of IEC 62471 shall be labelled in accordance with
IEC TR 62471-2. If the size or design of the lamp or lamp systems makes labelling
impractical, symbol 14 shall be marked on the equipment and the label shall be included in
the documentation.
Information on protective measures, restrictions on use, and operating instructions that may
be necessary shall be provided, including the applicable conditions of use of Table 23.
NOTE Attention is drawn to the possible existence of additional guidelines or requirements which may be
specified by national or other authorities.
Conformity is checked by inspection, and if necessary, by measurement of the optical
radiation to determine no hazard exists.
Table 22 – Lamp or lamp systems considered photobiologically safe
Lamp or lamp system
Indicator LEDs
Personal digital device screens
LCD screens
Computer displays
Photographic flash lamps
Interactive whiteboard presentation equipment
Task lighting with tungsten filament lamps, LED lamps, compact fluorescent tubes,
or fluorescent tubes with diffusers
Any ‘Exempt Group’ (according to IEC 62471)
– 18 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
Table 23 – Lamp or lamp systems considered photobiologically
safe under certain conditions
Lamp or lamp system Conditions of use
Fluorescent lighting without diffusers over the lamps Safe at normal illumination levels (~600 lux)
Metal halide/high-pressure mercury flood lights Safe if the front cover glass is intact and if the lamp is
not in line of sight
Desktop projectors Safe if the beam is not looked into
Low-pressure UVA black-lights Safe if not in line of sight and hands are not irradiated
while holding the black-light
13 Protection against liberated gases and substances, explosion and implosion
13.1 Poisonous and injurious gases and substances
Replacement:
Replace the first two paragraphs with the following:
Equipment shall not liberate dangerous amounts of hazardous substances in NORMAL
CONDITION and in SINGLE FAULT CONDITION.
If potentially-hazardous substances are liberated, the OPERATOR shall not be directly exposed
to a quantity of the substance that could cause harm.
If NORMAL operation of the equipment requires the discharge of hazardous substances, and if
that discharge is intended to be managed by the RESPONSIBLE BODY in accordance with the
manufacturer’s instructions, then such discharge is not considered to be liberation of
hazardous substances.
NOTE Chemical exposure limits and handling and disposal regulations can be found in Occupational Safety and
Health (OSHA) publications or national regulatory documentation. Local, national or regional regulations may
apply.
14 Components and subassemblies
14.8 Circuits or components used as TRANSIENT OVERVOLTAGE limiting devices
Replacement:
Replace the title with the following:
14.8 Circuits used to limit TRANSIENT OVERVOLTAGES
Replacement:
Replace the first two paragraphs with the following:
Any overvoltage limiting circuit that forms part of the equipment shall have adequate strength
to limit likely TRANSIENT OVERVOLTAGES.
Table 21 – Impulse withstand voltages for OVERVOLTAGE CATEGORY II
Replacement:
© IEC 2016
Replace the title of Table 21 with the following:
Table 21 – Impulse voltages for OVERVOLTAGE CATEGORY II
Replacement:
nd
Replace the column heading of the 2 column of Table 21 with: "Impulse voltage V"
Replacement:
Replace the conformity statement with the following:
Conformity is checked by the following test: 5 positive and 5 negative impulses are applied
with the applicable impulse voltage of Table 21, spaced up to 1 min apart, from a hybrid
impulse generator (see IEC 61180-1). The generator produces an open-circuit voltage
waveform of 1,2/50 µs, a short-circuit current waveform of 8/20 µs, with an output impedance
(peak open-circuit voltage divided by peak short-circuit current) of 12 Ω (resistance may be
added in series if needed to raise the impedance). The impulse is applied while the circuit is
operating under conditions of NORMAL USE, in combination with the MAINS supply. The MAINS
voltage is the maximum RATED MAINS voltage.
The test voltage is applied between each pair of MAINS supply TERMINALS of the equipment
where overvoltage limiting circuits are present.
The overvoltage limiting circuit components shall not ignite or heat other materials to their
self-ignition points. The overvoltage limiting circuit shall safely suppress the impulse and
continue to function properly after the test.
NOTE The impulse voltage and generator output impedance specified above apply to equipment with a rating
for OVERVOLTAGE CATEGORY ll. Conformity for equipment with a rating for OVERVOLTAGE CATEGORIES III and IV is
specified in Clause K.4.
– 20 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
Annex D
(normative)
Parts between which insulation requirements are specified
(see 6.4 and 6.5.3)
Replacement:
Replace, under item b) Circuits and parts, the text for letter "R" with the following:
R impedance meeting the requirements of 6.4.4
Figures D.1 e) to h) – Protection between HAZARDOUS LIVE circuits and circuits
which ACCESSIBLE external TERMINALS
Replacement:
Replace the title of Figures D.1 e) to h) with the following title:
Figures D.1 e) to h) – Protection between HAZARDOUS LIVE circuits and circuits with
ACCESSIBLE external TERMINALS
Deletion:
In Figure D.1 h), delete “(see 6.6.1)”
© IEC 2016
Annex G
(informative)
Leakage and rupture from fluids under pressure
G.2.2 Conduct of hydrostatic tests for G.2.1
Replacement:
Replace the last paragraph with the following:
Where it is specified in these test procedures that pressure is to be applied to “the
equipment”, the pressure shall be applied to that part of the equipment that is subjected to
pressure in NORMAL USE.
Where it is specified in these test procedures that pressure is to be applied to “the outer
casing”, the pressure shall be applied to any unpressurized case, cover, enclosure, or
housing that encloses all or part of the pressurized equipment, but that is not itself intended to
NORMAL USE.
be pressurized in
– 22 – IEC 61010-1:2010/AMD1:2016
© IEC 2016
Annex H
(informative)
Qualification of conformal coatings for protection against pollution
Replacement:
Replace Table H.1 with the following:
Table H.1 – Test parameters, test conditions and test procedures
Test,
Item Test parameter, conditions Test procedure
conditioning
1 Cold Conditioning temperature: T . The specimens are placed in a
min
conditioning T is the minimum RATED ambient temperature or the temperature chamber and held
min
minimum RATED storage temperature, whichever is lower, of at T for the specified
min
the specimen. conditioning time.
Any humidity is acceptable.
Conditioning time: 24 h
2 Dry heat Conditioning temperature: T . The specimen is placed in a
max
T is the maximum RATED surface temperature, maximum temperature chamber and held
max
RATED ambient temperature, or maximum RATED storage at T for the specified
max
temperature, whichever is higher, of the specimen. conditioning time.
Any humidity is acceptable.
Conditioning time: 48 h
3 Rapid change Maximum temperature: T The conditioning procedure
max
of temperature T is the maximum RATED surface temperature, maximum follows test Na of IEC 60068-2-
max
RATED ambient temperature, or maximum RATED storage 14.
temperature, whichever is highest, of the specimen.
Minimum temperature: T .
min
T is the minimum RATED ambient temperature or the
min
minimum RATED storage temperature, whichever is lower, of
the specimen.
Rate of change of temperature: within 30 s
Cycle time (duration of one cycle):
T and T are each held until steady state conditions of
max min
the specimens are achieved and then maintained for 10 min.
The cycle starts when the specimen has reached the target
within 2° C.
Number of cycles: 50 cycles
4 Damp heat The specimens are placed in
Temperature: 40 °C ± 2 °C
the humidity chamber and held
Humidity: 90 %.95 % R.H.
at the specified temperature and
Conditioning time: 24 h
humidity for the specified
conditioning time.
5 Temperature: 15 °C. 35 °C
Adhesion of The test procedure follows the
coating test described in 5.8.2 of
Humidity: 45 %. 75 % R.H.
IEC 60664-3 using the specified
Pull force: 5 N
pull force.
6 Humidity Temperature: 40 °C ± 2 °C The specimens are placed in
conditioning the humidity chamber and held
Humidity: 90 %.95 % R.H.
at the specified temperature and
Conditioning time: 48 h humidity for the specified
conditioning time.
Insulation Insulation resistance is
7 Temperature: 40 ± 2 °C
resistance of measured between the two
Humidity: 90 %…95 % R.H.
conductors outer conductors with the
Insulation resistance: ≥ 100 MΩ smallest CREEPAGE DISTANCE for
at least 1 min. The test voltage
shall be as close to the
WORKING VOLTAGE as possible.
© IEC 2016
Replacement:
Replace Figure H.1 with the following:
Preparation and scratch resistance
Preparation of the Each specimen is to be assembled in the normal manner, using the normal soldering
test specimens procedure, including any cleaning and protection steps that are normally applied.
Visual inspection Conformity is checked by inspection.
The specimens shall show no:
separation from base material,
cracks,
voids,
areas with adjacent unprotected conductive parts where the CREEPAGE DISTANCE
between the parts is less than the required CREEPAGE DISTANCE for uncoated printed
wiring boards.
NOTE Areas of the specimens where scratch resistance test is applied need not be
involved in the subsequent testing and inspection.
Conditioning of the test specimens
Table H.1, item 1 Cold conditioning
Table H.1, item 2 Dry heat
Table H.1, item 3 Rapid change of temperature
Tabl
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