Covers ballasts for use on a.c. supplies up to 1000 V at 50 Hz or 60 Hz, associated with tubular fluorescent lamps with or without pre-heated cathodes operated with or without a starter or starter device and having rated wattages, dimensions and characteristics as specified in IEC 60081.<\/p>\n
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| 1<\/td>\n | BRITISH STANDARD <\/td>\n<\/tr>\n | ||||||
| 2<\/td>\n | Cooperating organizations <\/td>\n<\/tr>\n | ||||||
| 3<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | Foreword Foreword to amendment A1 Foreword to amendment A2 Foreword to amendment A11 <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | General requirements Introduction 1 Scope 2 Definitions ballast <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | independent ballast built-in ballast integral ballast reference ballast reference lamp calibration current of a reference ballast supply voltage supply current working voltage circuit power factor, 2 high power factor ballast <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | high audio frequency impedance ballast low distortion ballast rated maximum operating temperature of a capacitor case, rated maximum operating temperature of a ballast winding, rated temperature rise of a ballast winding, % parallel cathode heating (or pre-heating) series cathode heating (or pre-heating) rectifying effect short-circuit power type test type test sample <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 3 General requirements 4 General notes on tests 4.1 Tests in this Standard are type tests. 4.2 The tests are carried out in the order of the clauses unless otherwise specified. 4.3 The type test is carried out on one sample consisting of eight ballasts submitted for the pur… 4.4 The tests are made under the conditions specified in\ufffd 5 Classification 6 Marking 6.1 Mandatory markings <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 6.2 Information to be provided, if applicable 6.3 Other information 6.4 Marking shall be durable and legible <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Safety requirements 7 Protection against accidental contact with live parts 7.1 Ballasts which do not rely upon the luminaire enclosure for protection against electric shock… 7.2 Ballasts incorporating capacitors of total capacitance exceeding\ufffd0.5\ufffd4F shall be provided wit… 8 Terminals 9 Provision for earthing 9.1 Any earthing terminal shall comply with the requirements of Clause\ufffd 9.2 All parts of an earth terminal shall be such as to minimize the danger of electrolytic corros… 10 Moisture resistance and insulation 10.1 The ballast shall not show any appreciable damage after being subjected to the moisture trea… 10.2 Insulation is checked as follows: <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 11 High-voltage impulse testing 11.1 From the six samples to Sub-clause\ufffd 11.2 Without connection of the lamp on the output side of the ballast, the supply voltage is adju… 12 Thermal endurance of windings <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 13 Ballast heating 13.1 Before the test, the following is checked and measured: Abnormal conditions \u2014 Capacitor test voltages 13.2 Ballast heating test <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Maximum temperatures <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Limiting temperatures of windings under abnormal operating conditions and at\ufffd110\ufffd% of rated volta… 13.3 After these heating tests the ballast shall be allowed to cool to room temperature and then … 14 Screws, current-carrying parts and connections 15 Creepage distances and clearances <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | Minimum distances for a.c. (50\/60\ufffdHz) sinusoidal voltages Minimum distances for non-sinusoidal pulse voltages 16 Resistance to heat and fire 16.1 External parts of insulating material, providing protection against electric shock, and part… 16.2 Parts of insulating material retaining live parts in position and parts of insulating materi… <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 16.3 External parts of insulating material providing protection against electric shock are subjec… 16.4 Parts of insulating material retaining live parts in position are subjected to the needle fl… 17 Resistance to corrosion <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Tests General requirements and tests referring to Tests General requirements and tests referring to General requirements Ambient temperature and test room Supply voltage and frequency <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Lamp electrical characteristics Instrument characteristics Test conditions Moisture resistance and insulation resistance The ballast is conditioned for\ufffd48\ufffdh in an enclosure containing air with a relative humidity maint… <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Thermal endurance test for windings <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Theoretical test temperatures for ballasts subjected to an endurance test duration of\ufffd30 days <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Ballast heating Built-in ballasts <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Independent ballasts Integral ballasts Test conditions Draught-free enclosure <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Particular requirements for thermally protected ballasts Particular requirements for thermally protected ballasts Introduction Scope Definitions General requirements Thermal protectors shall be integral with the ballast and so located as to be protected against m… <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | General notes on tests Classification According to the class of protection: According to the type of protection: Marking Ballasts incorporating means of protection against overheating shall be marked according to the c… In addition to the above marking, the ballast manufacturer shall declare the type of protection i… Thermal endurance of windings Ballast heating Preselection test <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | \u201cClass P\u201d thermally protected ballasts <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Temperature declared thermally protected ballasts, with a rated maximum case temperature of\ufffd130\ufffd\u00b0… Temperature declared thermally protected ballasts with a rated maximum case temperature exceeding… <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | The use of constants The use of constants The tests outlined in this appendix are intended to enable the manufacturer to prove a claimed va… Procedure <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Procedure <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | Information for carrying out the heating tests of thermally protected ballasts Information for carrying out the heating tests of thermally protected ballasts Enclosure Heating of enclosure Ballast operating conditions Ballast position in the enclosure Temperature measurements <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | Explanation to ballast temperatures Explanation to ballast temperatures Endurance Ballast heating <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Test arrangement Method for selection of varistors Method for selection of varistors General Selection of the varistors <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | (normative) Other international publications quoted in this Standard with the references of the r… (normative) Other international publications quoted in this Standard with the references of the r… <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | (informative) National a-deviations (informative) National a-deviations <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | (informative) (informative) <\/td>\n<\/tr>\n | ||||||
| 46<\/td>\n | (informative) (informative) (informative) (informative) <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Ballasts for tubular fluorescent lamps. General and safety requirements<\/b><\/p>\n |