{"id":254787,"date":"2024-10-19T16:50:16","date_gmt":"2024-10-19T16:50:16","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-60269-52010\/"},"modified":"2024-10-25T12:16:14","modified_gmt":"2024-10-25T12:16:14","slug":"bsi-pd-iec-tr-60269-52010","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-60269-52010\/","title":{"rendered":"BSI PD IEC\/TR 60269-5:2010"},"content":{"rendered":"

This technical report, which serves as an application guide for low-voltage fuses, shows how current-limiting fuses are easy to apply to protect today’s complex and sensitive electrical and electronic equipment. This guidance specifically covers low-voltage fuses up to 1 000 V a.c. and 1 500 V d.c. designed and manufactured in accordance with IEC 60269 series. This guidance provides important facts about as well as information on the application of fuses.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
7<\/td>\nFOREWORD <\/td>\n<\/tr>\n
9<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
10<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
11<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
12<\/td>\n4 Fuse benefits <\/td>\n<\/tr>\n
13<\/td>\n5 Fuse construction and operation
5.1 Components
5.2 Fuse-construction <\/td>\n<\/tr>\n
14<\/td>\nFigures
Figure 1 \u2013 Typical fuse-link according to IEC\u00a060269-2 <\/td>\n<\/tr>\n
15<\/td>\nFigure 2 \u2013 Typical fuse-link according to IEC\u00a060269-2 <\/td>\n<\/tr>\n
16<\/td>\n5.3 Fuse operation
Figure 3 \u2013 Current-limiting fuse operation <\/td>\n<\/tr>\n
17<\/td>\n6 Fuse-combination units
Figure 4 \u2013 Fuse operation on overload <\/td>\n<\/tr>\n
18<\/td>\n7 Fuse selection and markings
Tables
Table 1 \u2013 Definitions and symbols of switches and fuse-combination units <\/td>\n<\/tr>\n
19<\/td>\nTable 2 \u2013 Fuse application <\/td>\n<\/tr>\n
20<\/td>\n8 Conductor protection
8.1 General
8.2 Type gG
Table 3 \u2013 Maximum operational voltage of fuse-links <\/td>\n<\/tr>\n
21<\/td>\n8.3 Types gN and gD
8.4 Types gR and gS
8.5 Protection against short-circuit current only <\/td>\n<\/tr>\n
22<\/td>\n9 Selectivity of protective devices
9.1 General
Figure 5 \u2013 Selectivity \u2013 General network diagram <\/td>\n<\/tr>\n
23<\/td>\n9.2 Selectivity between fuses
Figure 6 \u2013 Verification of selectivity between fuses F2 and F4 for operating time t \u2265 0,1 s <\/td>\n<\/tr>\n
24<\/td>\n9.3 Selectivity of circuit-breakers upstream of fuses
Figure 7 \u2013 Verification of selectivity between circuit-breaker C2 and fuses F5 and F6 <\/td>\n<\/tr>\n
25<\/td>\n9.4 Selectivity of fuses upstream of circuit-breakers <\/td>\n<\/tr>\n
26<\/td>\nFigure 8 \u2013 Verification of selectivity between fuse F2 and circuit-breaker C3 for operating time t \u2265 0,1 s <\/td>\n<\/tr>\n
27<\/td>\n10 Short-circuit damage protection
10.1 General
10.2 Short-circuit current paths
Figure 9 \u2013 Verification of selectivity between fuse F2 and circuit-breaker C3 for operating time t < 0,1 s <\/td>\n<\/tr>\n
28<\/td>\n10.3 Current limitation
10.4 Rated conditional short-circuit current, rated breaking capacity
11 Protection of power factor correction capacitors <\/td>\n<\/tr>\n
29<\/td>\n12 Transformer protection
12.1 Distribution transformers with a high-voltage primary
Table 4 \u2013 Fuse selection for power factor correction capacitors (fuses according to IEC\u00a060269-2, system A) <\/td>\n<\/tr>\n
30<\/td>\n12.2 Distribution transformers with a low-voltage primary
12.3 Control circuit transformers
13 Motor circuit protection
13.1 General <\/td>\n<\/tr>\n
31<\/td>\n13.2 Fuse and motor-starter coordination
13.3 Criteria for coordination at the rated conditional short-circuit current Iq <\/td>\n<\/tr>\n
32<\/td>\n13.4 Criteria for coordination at the crossover current Ico
Figure 10 \u2013 Fuse and motor-starter coordination <\/td>\n<\/tr>\n
33<\/td>\n13.5 Criteria for coordination at test current \u201cr\u201d
14 Circuit-breaker protection
15 Protection of semiconductor devices <\/td>\n<\/tr>\n
34<\/td>\n16 Fuses in enclosures
16.1 Limiting temperature of type gG fuse-links according to IEC 60269-2 \u2013 System A <\/td>\n<\/tr>\n
35<\/td>\n16.2 Other fuse-links
17 DC applications
17.1 Short-circuit protection
17.2 Overload protection
Figure 11 \u2013 DC circuit <\/td>\n<\/tr>\n
36<\/td>\n17.3 Time-current characteristics
Figure 12 \u2013 DC breaking operation
Table 5 \u2013 Time constants of typical d.c. circuits <\/td>\n<\/tr>\n
37<\/td>\n18 Automatic disconnection for protection against electric shock for installations in buildings
18.1 General
18.2 Principle of the protection
Figure 13 \u2013 Fuse operating time at various d.c. circuit time constants <\/td>\n<\/tr>\n
38<\/td>\nFigure 14 \u2013 Time-current characteristic <\/td>\n<\/tr>\n
39<\/td>\n18.3 Examples <\/td>\n<\/tr>\n
40<\/td>\nAnnex A (informative) Coordination between fuses and contactors\/motor-starters
Table A.1 \u2013 Examples of typical fuse-link ratings used for motor-starter protection illustrating how the category of fuse-link can influence the optimum current rating <\/td>\n<\/tr>\n
41<\/td>\nFigure A.1 \u2013 Collation of cut-off currents observed in successful coordination at Iq <\/td>\n<\/tr>\n
42<\/td>\nFigure A.2 \u2013 Pre-arcing and operating I2t values of fuses used in successful coordination tests as a function of contactor rated current AC3 <\/td>\n<\/tr>\n
43<\/td>\nFigure A.3 \u2013 Pre-arcing and operating I2t values of fuses used in successful coordination tests as a function of fuse rated current In <\/td>\n<\/tr>\n
45<\/td>\nTable A.2 (Table 12 of IEC\u00a060947-4-1) \u2013 Value of the prospective test current according to the rated operational current <\/td>\n<\/tr>\n
46<\/td>\nTable A.3 \u2013 Types of coordination <\/td>\n<\/tr>\n
47<\/td>\nFigure A.4 \u2013 Illustration of the method of selection of the maximum rated current of a fuse for back-up protection of a contactor of rating Ie = X amperes <\/td>\n<\/tr>\n
48<\/td>\nFigure A.5 \u2013 Withstand capabilities of a range of contactors and associated overload relays at test current “r” <\/td>\n<\/tr>\n
49<\/td>\nFigure A.6 \u2013 Illustration of a method of deriving curves of maximum peak current at test current “r” as a function of fuse rated current <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Low-voltage fuses – Guidance for the application of low-voltage fuses<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2010<\/td>\n52<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":254790,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[511,2641],"product_tag":[],"class_list":{"0":"post-254787","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-120-50","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\/254787","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\/254790"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=254787"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=254787"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=254787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}