{"id":225465,"date":"2024-10-19T14:39:04","date_gmt":"2024-10-19T14:39:04","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-609251991\/"},"modified":"2024-10-25T08:30:04","modified_gmt":"2024-10-25T08:30:04","slug":"bs-en-609251991","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-609251991\/","title":{"rendered":"BS EN 60925:1991"},"content":{"rendered":"

Requirements for electronic ballasts for use on d.c. supplies having rated voltages not exceeding 250 V associated with fluorescent lamps complying with IEC 60081.<\/p>\n

PDF Catalog<\/h4>\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
1<\/td>\nBRITISH STANDARD <\/td>\n<\/tr>\n
2<\/td>\nCooperating organizations <\/td>\n<\/tr>\n
3<\/td>\nShort contents <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\nContents <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Definitions
2.1 starting aid
2.2 ballast lumen factor
2.3 reference ballast
2.4 symmetrical inverter
2.5 asymmetrical inverter
3 General note on tests
4 Marking <\/td>\n<\/tr>\n
10<\/td>\n5 Starting
6 Open-circuit voltage at terminations of lamp
Table 1 <\/td>\n<\/tr>\n
11<\/td>\n7 Pre-heating conditions
7.1 Minimum voltage across lamp cathode
7.2 Maximum voltage across lamp cathode
8 Lamp current and luminous flux
9 Supply current <\/td>\n<\/tr>\n
12<\/td>\n10 Maximum current in any lead
11 Lamp operating current waveform
12 Stable operation
13 Scope
14 Temperature cycling and endurance test <\/td>\n<\/tr>\n
13<\/td>\n15 Scope
16 Marking
16.1 Indication of test procedure according to clause\ufffd
16.2 Indication of permissible waveform distortion of the d.c. input current related to the maxim…
17 Starting test procedure for electronic ballasts with symbol \u201cSP\u201d
18 Temperature cycling and endurance test
19 Fuse
20 Acoustic noise
21 Vibration <\/td>\n<\/tr>\n
14<\/td>\n22 Scope
23 Marking
24 Temperature cycling and endurance test
25 Fuse
26 Vibration <\/td>\n<\/tr>\n
15<\/td>\nAppendix A
Tests
A1 General requirements
A1.1 Ambient temperature
A1.2 Supply voltage and frequency
A1.3 Magnetic effects
A1.4 Mounting and connection of reference lamps
A1.5 Reference lamp stability
A1.6 Instrument characteristics <\/td>\n<\/tr>\n
16<\/td>\nA1.7 Inverter power sources
Appendix B
Reference ballasts
Appendix C
Reference lamps <\/td>\n<\/tr>\n
17<\/td>\nAnnex D (informative)
A guide to quoting product life and failure rate
Annex ZA (normative)
Other international publications quoted in this standard with the references of the r… <\/td>\n<\/tr>\n
18<\/td>\nNational appendix NA (informative)
Deletions from IEC text of IEC Publication 60925:1989 <\/td>\n<\/tr>\n
19<\/td>\nNational appenidx NB (informative)
National appendix NC (informative) <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Specification for performance requirements for d.c. supplied electronic ballasts for tubular fluorescent lamps<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2002<\/td>\n20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":225469,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[526,2641],"product_tag":[],"class_list":{"0":"post-225465","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-140-99","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\/225465","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\/225469"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=225465"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=225465"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=225465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}