{"id":364187,"date":"2024-10-20T01:49:28","date_gmt":"2024-10-20T01:49:28","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-60352-72021\/"},"modified":"2024-10-26T02:52:58","modified_gmt":"2024-10-26T02:52:58","slug":"bs-en-iec-60352-72021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-60352-72021\/","title":{"rendered":"BS EN IEC 60352-7:2021"},"content":{"rendered":"

IEC 60352-7:2020 is available as IEC 60352-7:2020 RLV<\/span> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60352-7:2020 is applicable to spring clamp connections made with stripped wire without further preparation: – solid conductors of 0,32 mm to 3,7 mm nominal diameter (0,08 mm2 to 10 mm2 cross?section), or – stranded conductors of 0,08 mm2 to 10 mm2 cross-section, or – flexible conductors of 0,08 mm2 to 10 mm2 cross-section, according to IEC 60228 or IEC 60189-3 for use in electrical and electronic equipment and components. Information on materials and data from industrial experience is included in addition to the test procedures to provide electrically stable connections under prescribed environmental conditions. The object of this document is to determine the suitability of spring clamp connections under specified mechanical, electrical and atmospheric conditions. This second edition cancels and replaces the first edition of IEC 60352-7, published in 2002. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) correction of the two flow charts in Figure 6 and Figure 7, b) split the content into more clauses for better separation between full test schedule and basic test schedule, c) relocating the content of former Clause 6 Practical guidance into an informative Annex A, as now common in the IEC 60352 series for solderless connections, d) clarification on conductor types with reference to classes defined in IEC 60228.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
5<\/td>\nAnnex ZA(normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n
7<\/td>\nCONTENTS <\/td>\n<\/tr>\n
9<\/td>\nFOREWORD <\/td>\n<\/tr>\n
11<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
12<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
13<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
14<\/td>\nFigures
Figure 1 \u2013 Examples of spring clamp connections <\/td>\n<\/tr>\n
15<\/td>\n4 Requirements
4.1 Workmanship
4.2 Tools
5 Pre-requisites for basic test schedule
5.1 Spring clamp terminations
5.1.1 Materials
Figure 2 \u2013 Example of a spring clamp terminal <\/td>\n<\/tr>\n
16<\/td>\n5.1.2 Surface finishes
5.1.3 Design features
5.1.4 Dimensions
5.2 Wires
5.2.1 General
5.2.2 Materials
5.2.3 Dimensions
5.2.4 Surface finishes <\/td>\n<\/tr>\n
17<\/td>\n5.2.5 Wire insulation
5.3 Spring clamp connections
6 Testing
6.1 General
6.2 Standard conditions for testing
6.3 Preconditioning
6.4 Recovery
6.5 Mounting of specimen <\/td>\n<\/tr>\n
18<\/td>\n7 Tests
7.1 General examination
7.2 Mechanical tests
7.2.1 Tensile strength
7.2.2 Wire deflection
Tables
Table 1 \u2013 Values of tensile strength <\/td>\n<\/tr>\n
20<\/td>\nTable 2 \u2013 Value of force for wire deflection test <\/td>\n<\/tr>\n
21<\/td>\n7.2.3 Vibration
Figure 3 \u2013 Information for the wire deflection test <\/td>\n<\/tr>\n
22<\/td>\n7.2.4 Repeated connections and disconnections
Figure 4 \u2013 Test arrangement, vibration
Table 3 \u2013 Vibration, test severities <\/td>\n<\/tr>\n
23<\/td>\n7.3 Electrical tests
7.3.1 Contact resistance
Figure 5 \u2013 Test arrangement, current method <\/td>\n<\/tr>\n
24<\/td>\n7.3.2 Electrical load and temperature
7.4 Climatic tests
7.4.1 General
7.4.2 Rapid change of temperature
7.4.3 Climatic sequence
Table 4 \u2013 Rated current of the wires, initial and final contact resistance <\/td>\n<\/tr>\n
25<\/td>\n7.4.4 Flowing mixed gas corrosion test
8 Test schedules
8.1 General <\/td>\n<\/tr>\n
26<\/td>\n8.2 Basic test schedule
8.2.1 General
8.2.2 Initial examination
8.2.3 Testing of spring clamp connections with spring clamp terminations with and without a specified wire range
Table 5 \u2013 Number of specimens required
Table 6 \u2013 Test group P1 <\/td>\n<\/tr>\n
27<\/td>\n8.3 Full test schedule
8.3.1 General
8.3.2 Initial examination
8.3.3 Testing of spring clamp connections with and without a specified wire range
Table 7 \u2013 Test group P2
Table 8 \u2013 Test group A <\/td>\n<\/tr>\n
28<\/td>\n8.4 Flow charts
Table 9 \u2013 Test group B
Table 10 \u2013 Test group C
Table 11 \u2013 Test group D <\/td>\n<\/tr>\n
29<\/td>\nFigure 6 \u2013 Basic test schedule (see 8.2) <\/td>\n<\/tr>\n
30<\/td>\nFigure 7 \u2013 Full test schedule (see 8.3) <\/td>\n<\/tr>\n
31<\/td>\nAnnex A (informative) Practical guidance
A.1 Current-carrying capacity
A.2 Tool information
A.3 Termination information
A.3.1 General
A.3.2 Design features <\/td>\n<\/tr>\n
32<\/td>\nA.3.3 Materials
A.3.4 Surface finishes
A.4 Wire information
A.4.1 General <\/td>\n<\/tr>\n
33<\/td>\nA.4.2 Materials
A.4.3 Surface finishes
A.4.4 Stripping information
Figure A.1 \u2013 Correctly stripped wire <\/td>\n<\/tr>\n
34<\/td>\nA.5 Connection information
Figure A.2 \u2013 Examples of stripping faults <\/td>\n<\/tr>\n
35<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Solderless connections – Spring clamp connections. General requirements, test methods and practical guidance<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n36<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":364196,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[587,2641],"product_tag":[],"class_list":{"0":"post-364187","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-31-220-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/364187","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/364196"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=364187"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=364187"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=364187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}