This British Standard specifies dimensions and performance requirements for general purpose cartridge fuse links of current ratings not exceeding 13 A for domestic and similar purposes (primarily for use in plugs complying with the requirements of BS 1363) on declared supply voltages not exceeding 250 V (see 4.5<\/b>) at a nominal frequency of 50 Hz or 60 Hz.<\/p>\n
It does not cover fuse bases or fuse holders for use with these fuse links.<\/p>\n
Text deleted<\/i><\/p>\n
The object of this specification is to standardize the characteristics, construction, tests and markings of fuse links coming within its scope. In particular to standardize:<\/p>\n
the rated voltage;<\/p>\n<\/li>\n
the rated currents;<\/p>\n<\/li>\n
the rated power loss;<\/p>\n<\/li>\n
the time\/current zones and conventional currents;<\/p>\n<\/li>\n
the rated breaking capacity; and<\/p>\n<\/li>\n
the dimensions.<\/p>\n<\/li>\n<\/ul>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 5<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 4 Standard conditions for operation in service 4.1 Ambient air temperature 4.2 Temperature inside an enclosure 4.3 Altitude 4.4 Atmospheric conditions <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 4.5 Voltage 4.6 Current 4.7 Frequency 4.8 Conditions of installation 5 Classification 6 Characteristics of fuse links 6.1 Summary of characteristics 6.2 Rated voltage 6.3 Rated currents <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 6.4 Rated frequency 6.5 Rated power loss 6.6 Time\/current characteristics and conventional currents 6.7 Rated breaking capacity 6.8 Dimensions Figure 1 \u2014 Dimensions of fuse link <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | Table 1 \u2014 Dimensions of fuse links 7 Marking 8 Standard conditions for construction 8.1 Mechanical design and construction of fuse links 8.2 Temperature rise and power loss 8.3 Operation <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 8.4 Breaking capacity 9 Tests 9.1 General <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Table 2 \u2014 Survey of tests on fuse links 9.2 Test for power loss <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 9.3 Verification of operating characteristics <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 9.4 Breaking capacity tests Table 3 \u2014 Values for breaking capacity tests <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Table 4 \u2014 Values of prospective current for breaking capacity test No. 2 <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 9.5 Mechanical test for strength of fuse links <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | Figure 2 \u2014 Standard time\/current zones for: In = 13 A, In = 3 A <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Figure 3 \u2014 Test fuse base <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Figure 4 \u2014 Typical diagram of the circuit used for breaking capacity tests (see 9.4) <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Figure 5 \u2014 Interpretation of oscillograms taken during breaking capacity tests (see 9.4.7) <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Figure 6 \u2014 Principal dimensions of tumbling barrel <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Annex A (informative)\u2002 Measurement of short-circuit power-factor <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Figure A.1 \u2014 Determination of circuit-impedance for calculation of power-factor in accordance with method I <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" General purpose fuse links for domestic and similar purposes (primarily for use in plugs). Specification<\/b><\/p>\n |