EN 60127-6:1994/A2:2003

SLOVENSKI SIST EN 60127-6:1995/A2:2004

STANDARD
marec 2004
Miniature fuses - Part 6: Fuse-holders for miniature fuse-links - Amendment A2
(IEC 60127-6:1994/A2:2002)
ICS 29.120.50 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 60127-6/A2
NORME EUROPÉENNE
EUROPÄISCHE NORM February 2003

ICS 29.120.50
English version
Miniature fuses
Part 6: Fuse-holders for miniature fuse-links
(IEC 60127-6:1994/A2:2002)
Coupe-circuit miniatures Geräteschutzsicherungen
Partie 6: Ensembles-porteurs Teil 6: G-Sicherungshalter
pour éléments de remplacement für G-Sicherungseinsätze
miniatures (IEC 60127-6:1994/A2:2002)
(CEI 60127-6:1994/A2:2002)
This amendment A2 modifies the European Standard EN 60127-6:1994; it was approved by CENELEC
on 2003-02-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this amendment the status of a national standard without any
alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This amendment exists in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CENELEC member into its own language and notified to the
Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta,
Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60127-6:1994/A2:2003 E

Foreword
The text of document 32C/320/FDIS, future amendment 2 to IEC 60127-6:1994, prepared by SC 32C,
Miniature fuses, of IEC TC 32, Fuses, was submitted to the IEC-CENELEC parallel vote and was
approved by CENELEC as amendment A2 to EN 60127-6:1994 on 2003-02-01.
The following dates were fixed:
– latest date by which the amendment has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2003-11-01
– latest date by which the national standards conflicting
with the amendment have to be withdrawn (dow) 2006-02-01
Annexes designated "normative" are part of the body of the standard.
Annexes designated "informative" are given for information only.
In this standard, annexes A, B and ZA are normative and annex E is informative.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of amendment 2:2002 to the International Standard IEC 60127-6:1994 was approved by
CENELEC as an amendment to the European Standard without any modification.
__________
- 3 - EN 60127-6:1994/A2:2003
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
Publication Year Title EN/HD Year
Delete the reference to IEC 536:1976.
Replace IEC 999:1990 by:
IEC 60999-1 1999 Connecting devices - Electrical copper EN 60999-1 2000
conductors - Safety requirements for
screw-type and screwless-type clamping
units
Part 1: General requirements and
particular requirements for clamping
units for conductors from 0,2 mm² up to
35 mm² (included)
Add:
IEC 61140 2001 Protection against electric shock - EN 61140 2002
Common aspects for installation and
equipment
IEC 61210 (mod) 1993 Connecting devices - Flat quick-connect EN 61210 1995
terminations for electrical copper
conductors - Safety requirements

NORME CEI
INTERNATIONALE IEC
60127-6
INTERNATIONAL
STANDARD
AMENDEMENT 2
AMENDMENT 2
2002-12
Amendement 2
Coupe-circuit miniatures –
Partie 6:
Ensembles-porteurs pour cartouches
de coupe-circuit miniatures
Amendment 2
Miniature fuses –
Part 6:
Fuse-holders for miniature cartridge
fuse-links
 IEC 2002 Droits de reproduction réservés  Copyright - all rights reserved
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch  Web: www.iec.ch
CODE PRIX
N
Commission Electrotechnique Internationale
PRICE CODE
International Electrotechnical Commission
Международная Электротехническая Комиссия
Pour prix, voir catalogue en vigueur
For price, see current catalogue

60127-6 Amend. 2  IEC:2002 – 3 –
FOREWORD
This amendment has been prepared by subcommittee 32C: Miniature fuses, of IEC technical
committee 32: Fuses.
The text of this amendment is based on the following documents:
FDIS Report on voting
32C/320/FDIS 32C/328/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 the base publication and its amendments will
remain unchanged until 2004. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
___________
Page 11
2 Normative references
Delete, on page 13, the reference IEC 536:1976
Page 3 of Amendment 1
Replace IEC 999:1990 by the following new normative document:
IEC 60999-1:1999, Connecting devices – Electrical copper conductors – Safety requirements
for screw-type and screwless-type clamping units – Part 1: General requirements and
2 2
particular requirements for conductors from 0,2 mm up to 35 mm (included)
Add, in numerical order, the title of the following normative documents:
IEC 61140:2001, Protection against electric shock – Common aspects for installation and
equipment
IEC 61210:1993, Connecting devices – Flat quick-connect terminations for electrical copper
conductors – Safety requirements

60127-6 Amend. 2  IEC:2002 – 5 –
3 Definitions
Replace, on page 15, the existing subclauses 3.1.3, 3.1.4 and 3.1.5 by the following new
subclauses:
3.1.3
fuse-holder
combination of a fuse-base with its fuse-carrier
NOTE In some fuse-holder constructions where the fuse-base and the fuse-carrier are not separate parts the
fuse-holder may consist of only the fuse-base and no fuse-carrier.
3.1.4
unexposed fuse-holder
fuse-holder with enclosed contacts
3.1.5
exposed fuse-holder
fuse-holder with exposed contacts (e.g. clips)
Replace the existing subclauses 3.3, 3.4 and 3.5 by the following new subclauses:
3.3
rated power acceptance (of a fuse-holder)
value of power acceptance of a fuse-holder assigned by the manufacturer
NOTE This value is the maximum power dissipation produced by the inserted dummy fuse-link during testing, at
the rated current tolerated by the fuse-holder without exceeding the specified temperatures.
The rated power acceptance is referred to an ambient temperature of 23 °C without exceeding the specified
temperature.
3.4
rated current (of a fuse-holder)
value of current of a fuse-holder assigned by the manufacturer and to which the rated power
acceptance is referred
3.5
rated voltage (of a fuse-holder)
value of voltage of a fuse-holder assigned by the manufacturer and to which operation and
performance characteristics are referred
Replace, on page 17, the existing note of 3.21 by the following new note:
NOTE For detailed information, see IEC 61140 and IEC 60664-1.
Add, on page 19, the following new term:
3.22
inaccessible part (inaccessible surface)
part or surface inside the equipment and which cannot be touched by means of the standard
test finger according to IEC 60529

60127-6 Amend. 2  IEC:2002 – 7 –
5 Preferred ratings and classifications for fuse-holders
Table 2 – Values for standard ratings and classifications
Replace the existing table 2 by the following new table:
No. Preferred ratings and classifications For fuse-links according to
for fuse-holders
IEC 60127-2 IEC 60127-3
5.1 Rated voltage 250 V 125 V and 250 V
5.2 Rated current 6,3 A / 10 A 5 A
5.3 Rated power acceptance at an ambient temperature T 1,6 W / 2,5 W / 4 W 1,6 W / 2,5 W
A1
of 23 °C
5.4 Protection against electric shock referring to fuse-holder Category PC1
Category PC2
Category PC3
5.5 Protection against electric shock referring to equipment, Class I or II
according to IEC 61140
5.6 Insulation coordination according to IEC 60664-1:
a) Overvoltage category II or III
b) Pollution degree 2 or 3
c) Comparative tracking index CTI CTI ≥ 150
NOTE In reference to ratings (voltage, current, power acceptance), if other values are required, these values
should be selected from the R10 series according to ISO 3. For classifications (No. 5.6), other values may be
specified.
Add, after table 2, the following new sentence:
Complete information on ratings and classifications is given by the manufacturer according to
annex E.
Page 21
7 Information for the user of fuse-holders
Delete the title and contents of this clause and keep clause number 7 vacant.
Page 23
8.5 Gauges for tests
Replace the titles of subclauses 8.5 and 8.5.1 by the following new titles:
8.5 Gauges and dummy fuse-links for tests
8.5.1 Gauges and dummy fuse-links according to IEC 60127-2

60127-6 Amend. 2  IEC:2002 – 9 –
Replace the title of figure 1 by the following new title:
Figure 1 – Outline of gauges and dummy fuse-links
Replace the title of table 3 as follows:
Table 3 – Dimensions and materials for gauges according to IEC 60127-2
Insert, after the last paragraph of 8.5.1, the following new paragraphs and the new table 18:
For tests that require dummy fuse-links, the appropriate dummy fuse-link mentioned in
table 18 shall be used.
Table 18 – Dimensions and materials for dummy fuse-links according to IEC 60127-2
Mass
Materials of part
(approxi-
Dummy fuse-link for
L D1 D2 B mately)
cartridge fuse-links
mm mm mm mm CT
g
Brass end Ceramic
+ 0,08
5 mm × 20 mm 2
5,0 ± 0,2 4,2 ± 0,1 5,0 ± 0,1 a
caps tube
19,46
Brass end Ceramic
+ 0,08
6,3 mm × 32 mm 3
6,25 ± 0,2 5,5 ± 0,1 6,0 ± 0,1 a
30,96 caps tube
a
Brass with copper content from 58 % to 70 %, surface with 2 µm (minimum) nickel plating (galvanic).
There shall be no holes in the ends of the dummy fuse-links.
Page 25
Replace the title of 8.5.2 by the following new title:
8.5.2 Gauges and dummy fuse-links according to IEC 60127-3
Replace the titles of figures 2 and 3 by the following new titles:
Figure 2 – Outline of gauges and dummy fuse-links
according to standard sheet 1
Figure 3 – Outline of gauges and dummy fuse-links
according to standard sheets 3 and 4

60127-6 Amend. 2  IEC:2002 – 11 –
Replace the title of table 4 by the following new title:
Table 4 – Dimensions and materials for gauges according to IEC 60127-3
Insert, after the last paragraph of 8.5.2 on page 27, the following new paragraph and new
table 19:
For tests that require dummy fuse-links, the appropriate dummy fuse-link mentioned in
table 19 shall be used.
Table 19 – Dimensions and materials for dummy fuse-links
according to IEC 60127-3
Materials of part
Dummy fuse-link for
D P
sub-miniature fuse-links
mm mm
AB
a a
Brass Brass
0 + 0,17
Standard sheet 1
0,55 2,54
− 0,02 − 0,09
a a
Brass Brass
Standard sheets 3 and 4
5,08 ± 0,1
0,55
− 0,02
a
Copper content from 58 % to 70 %.
Page 33
11 Electrical requirements
Replace, on page 35, the last paragraph of 11.1.1 by the following paragraph:
Fuse-holders for PC board mounting by soldering (through-hole types) should have a pin-
spacing of n × e where n is an integer from 1 to 6 and e = 2,54 mm.
Page 45
12.1 Mounting
Replace the existing text of item b) by the following new text:
b) Fuse-holders for PC board mounting shall be soldered to the test PC board according to
annex A and, by means of screws, this test PC board shall be fixed to the metal or
concrete block of figure 6 using a suitably adapted metal plate.
12.2 Compatibility between fuse-holder and fuse-link
Insert, after the second paragraph, page 47, the following new paragraph:
For fuse-holders having bayonet fuse-carriers there are no special torque requirements.

60127-6 Amend. 2  IEC:2002 – 13 –
12.3 Mechanical strength of the connection between fuse-base and fuse-carrier
Modify, in the first paragraph of 12.3.1, the first sentence as follows:
For the following tests, the fuse-carrier is fitted with the maximum gauge No. 1 or No. 4
according to table 3 and inserted in the fuse-base mounted according to 12.1.
Page 53
12.6 Terminals of fuse-bases
Modify, on page 57, the existing text of 12.6.3.1 as follows:
Dimensions, classified types of male tabs: according to IEC 61210.
Page 61
13.1 Rated power acceptance test
Reposition figure 8 together with its title, to appear within the new subclause 13.1.3 (see
below).
Page 63
13.1.1 Mounting
Add, after the second paragraph of this subclause, the following new paragraph:
For fuse-holders having screw-in fuse-carriers, these carriers shall be fitted in the normal way
with a torque equal to two-thirds of the maximum allowable value specified in table 10.
Delete, on page 65, the last sentence of this subclause beginning with "A thermocouple."
13.1.2 Dummy fuse-links
Replace the existing text and table 15A of 13.1.2.1, including the changes introduced in
amendment 1, by the following:
13.1.2.1 Dummy fuse-links for cartridge fuse-links
A dummy fuse-link is a test fuse-link with defined resistance according to table 15A.
The material of the resistance wire used in the dummy fuse-link shall be of CuNi44 or any
−5 −1
similar material having a temperature coefficient of resistance of less than ±8,0 × 10 K
within the temperature range of 20 °C to 200 °C.
The dimensions of the dummy fuse-links are specified in table 18. These dimensions are
equivalent to the dimensions of the minimum gauges No. 2 or No. 5, except for the
permissible tolerances.
60127-6 Amend. 2  IEC:2002 – 15 –
Material of the end cap: brass, nickel plated; minim
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