25SFMSJ50

HIGH VOLTAGE DIN DISTRIBUTION 3.6 kV – 36 kV FUSES DIN Dimension Fuses To Spec. DIN 43.625 This product group covers current limiting fuses with dimensions to DIN 43.625 and performance in compliance with IEC 282-1. Striker Characteristics The spring operated striker pin has a travel and energy output in compliance with the requirements of DIN 43625 and IEC 282-1. Advantages of Edison High Voltage Current Limiting Fuse The low power dissipation of Edison fuses ensures low temperature rise of switchgear in which they are incorporated. Travel is approx. 26mm Energy Output is approx. 0.6 joule Force/Travel Output Characteristics Edison fuses exhibit considerable limitation of current and I2t under short circuit conditions. The stress on circuit components is thereby minimized and the reduction of energy release at the fault reduces fire risks. 60 50 40 FORCE (N) The elements use the ‘M’ (metallurgical) effect, similar to that used in low voltage fuses. This ensures that, with melting on long time overloads, excessive temperatures are not reached and damage to switchgear components, such as epoxy encapsulating enclosures, is thus prevented. Fuses of Continental European manufacture which in general do not employ this feature are not only hotter running by comparison but also usually need to employ a higher current rating of fuse for the same service; thus an Edison 40A fuse is equivalent in terms of thermal performance to many Continental European types of 63A rating. 30 20 10 Switching (arc) voltages are appreciably less than permitted values and fall with lower values of recovery voltage. The use of, for example, 12 kV fuse on 6/7.2 kV systems is therefore permissible. 0 0 5 10 15 TRAVEL (mm) 20 25 30 Current Ratings These are in accordance with the R10 and, in some cases, the R20 series of preferred numbers. 131 HIGH VOLTAGE DIN DISTRIBUTION 3.6 kV – 36 kV FUSES Table of Ratings and Dimensions KV Catalog No. 3.6ADOSJ(amp) 3.6WDOSJ(amp) 3.6WFOSJ(amp) 3.6WFOSJ(amp) 3.6ADLSJ(amp) 3.6WDLSJ(amp) 3.6WFLSJ(amp) 3.6WKLSJ(amp) 7.2SDLSJ(amp) 7.2SDLSJ(amp) 7.2SFLSJ(amp) 7.2SFLSJ(amp) 7.2WKMSJ(amp) 7.2WKMSJ(amp) 12SDLSJ(amp) 12SDLSJ(amp) 12SFLSJ(amp) 12SKLSJ(amp) 12SKLSJ(amp) Rating Amps 6.3, 10, 16, 20, 25, 31.5, 40 50, 63, 80, 100, 125 160 200 6.3, 10, 16, 20, 25, 31.5, 40 50, 63, 80, 100, 125 160, 200 250, 315, 400 6.3, 10, 16, 20, 25, 31.5 40, 50, 63 80, 100 125, 160 200, 225 250, 315, 355 6.3, 10, 16, 20, 25, 31.5 40, 50, 63 50, 63, 80, 100 125 160, 200 17.5SDLSJ(amp) 17.5SDLSJ(amp) 17.5SFLSJ(amp) 17.5SFLSJ(amp) 17.5SDMSJ(amp) 17.5SDMSJ(amp) 17.5SFMSJ(amp) 17.5SFMSJ(amp) 15.5SFMSJ(amp) 15.5SKMSJ(amp) 6.3, 10, 16, 20 25, 31.5, 40, 50 31.5 40, 50 6.3, 10, 16 20, 25, 31.5, 40 40, 50 63, 80 100 125 24 24SFMSJ(amp) 40, 50, 63, 71 25 25SFMSJ(amp) 40, 50, 63, 71 27.6SDMSJ(amp) 27.6SDMSJ(amp) 27.6SFMSJ(amp) 27.6SFMSJ(amp) 36SDQSJ(amp) 36SDQSJ(amp) 36SFQSJ(amp) 36SFQSJ(amp) 6.3, 10, 16 20, 25 31.5, 40 50 31.5, 6.3, 10, 16 20, 25 31.5, 40 50, 56 3.6 7.2 12 17.5 15.5 27.6 36 Dimensions Inches and mm Diameter x Length 2.00” x 7.56” 51 x 192 3.00” x 7.56” 76 x 192 2.00” x 11.50” 51 x 292 3.00” x 11.50” 76 X 292 2.00” x 11.50” 51 x 292 3.00” x 11.50” 76 x 292 3.00” x 17.41” 76 x 442 2.00” x 11.50” 51 x 292 3.00” x 11.50” 76 x 292 3.50” x 11.50” 88 x 292 2.00” x 11.50” 51 x 292 3.00” x 11.50” 76 x 292 2.00” x 17.41” 51 x 442 3.00” x 17.41” 76 x 442 3.00” x 17.41” 76 x 442 3.00” x 17.41” 76 x 442 3.00” x 17.41” 76 x 442 2.00” x 17.41” 51 x 442 3.00” x 17.41” 76 x 442 2.00” x 21.16” 51 x 537 3.00” x 21.16” 51 x 537 IR RMS Symm Type 3.6/7.2 50KA 10/12 10/12 40KA 20/24 10/12 50KA 10/12 35.5KA 20/24 20/24 25KA 20/24 50KA 20/24 25KA 20/24 25KA 30/36 35.5KA Dimensions (Inches and mm) DIAMETER STRIKER IN OPERATED POSITION .59" 15.0mm 1.77" 45.0mm LENGTH For Diameter and Length Dimensions See Table Above 132 1.02" 1.34" 34.0mm 26.0mm HIGH VOLTAGE DIN DISTRIBUTION 3.6 kV – 36 kV FUSES Time-Current Characteristics–Average 63 15.5kV ONLY AMPERE RATING 80 100 125 40 25 17.5SFMSJ 15.5SFMSJ 15.5SKMSJ 50 31.5 16 20 1,000 10 AMPERE RATING 6.3 200 225 250 315 355 For 17.5 kV Fuses: 17.5SDLSJ 17.5SFLSJ 17.5SDMSJ 10 16 20 25 31.5 40 50 63 80 100 125 160 6.3 For 7.2 kV Fuses: 7.2SDLSJ 7.2SFLSJ 7.2WKMSJ 1,000 100 100 10 TIME IN SECONDS TIME IN SECONDS 10 1 1 .1 .1 10,000 1,000 100 20,000 .01 10 RMS SYMMETRICAL CURRENT IN AMPERES 10,000 1,000 100 10 .01 RMS SYMMETRICAL CURRENT IN AMPERES 133 HIGH VOLTAGE DIN DISTRIBUTION FUSES Average Time/Current-Curve Din Fuse Clips Suitable for use with all DIN HV fuses having 45mm end fittings. .99" 25.0mm 63 40 A AMPERE RATING 50 71 25 31.5 20 10 6.3 16 For 24-27.6 kV Fuses: 27.6SDMSJ 27.6SFMSJ 25SFMSJ 24SFMSJ 1,000 4.06" 103mm TIME IN SECONDS 100 .43" 10.8mm 10 A Part No. 2703 For Standard Duty (up to 200A) 1 1.5" 38.1mm .38" 9.5mm 4.50" 114.3mm .1 3.50" 88.9mm 10,000 1,000 100 10 .01 1.77" 45.0mm RMS SYMMETRICAL CURRENT IN AMPERES 2.5" 63.5mm 1.19" 30.2mm Part No. A3354745 Heavy Duty 134 HIGH VOLTAGE DIN DISTRIBUTION FUSES General Guide to the Selection of Fuses. For use in the Primary Circuit of Three-Phase Transformers Transformer 3ph kVA Fuse kV System kV Fuse Reference and Rating in Amps 3.6kV 7.2kV 2.4kV 4.16kV 6.9kV 12kV 10kV 12.47kV 25 30 40 45 63 75 100 112 125 150 200 225 300 400 450 500 600 750 1000 1250 1500 2000 2500 ADLSJ 16 ADLSJ 16 ADLSJ 20 ADLSJ 20 ADLSJ 31.5 ADLSJ 40 ADLSJ 40 ADLSJ 40 WDLSJ 50 WDLSJ 50 WDLSJ 63 WDLSJ 80 WDLSJ 100 WDLSJ 125 WFLSJ 160 WFLSJ 160 WFLSJ 200 WKLSJ 250 WKLSJ 315 WKLSJ 400 – – – SDLSJ 6.3 SDLSJ 6.3 SDLSJ 6.3 SDLSJ 6.3 SDLSJ 10 SDLSJ 10 SDLSJ 10 SDLSJ 16 SDLSJ 16 SDLSJ 16 SDLSJ 20 SDLSJ 20 SDLSJ 25 SDLSJ 31.5 SDLSJ 40 SDLSJ 40 SFLSJ 50 SFLSJ 63 SFLSJ 80 SFLSJ 100 SKLSJ 125 – – SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 10 SDMSJ 10 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 6.3 SDMSJ 6.3 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 6.3 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 6.3 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 16 SDMSJ 16 SDMSJ 16 SDMSJ 10 SDMSJ 10 SDMSJ 10 SDMSJ 16 SDMSJ 16 SDMSJ 16 SDMSJ 16 SDMSJ 10 SDMSJ 10 SDMSJ 16 SDMSJ 16 SDMSJ 16 SDMSJ 16 SDMSJ 10 SDMSJ 10 SDMSJ 20 SDMSJ 20 SDMSJ 20 SDMSJ 20 SDMSJ 16 SDMSJ 10 SDMSJ 31.5 SDMSJ 25 SDMSJ 25 SDMSJ 20 SDMSJ 20 SDMSJ 20 SDMSJ 31.5 SDMSJ 31.5 SDMSJ 31.5 SDMSJ 25 SDMSJ 20 SDMSJ 20 SDMSJ 31.5 SDMSJ 31.5 SDMSJ 31.5 SDMSJ 31.5 SDMSJ 25 SDMSJ 20 SDMSJ 40 SDMSJ 40 SDMSJ 40 SDMSJ 31.5 SDMSJ 25 SDMSJ 20 SFMSJ 50SDMSJ 50 SDMSJ 40 SDMSJ 40 SDMSJ 31.5 SDMSJ 25 SFMSJ 63SFMSJ 63 SFMSJ 63 SFMSJ 50 SFMSJ 40 SDMSJ 31.5 SFMSJ 80SFMSJ 80 SFMSJ 80 SFMSJ 63 SFMSJ 50 SFMSJ 40 SFMSJ 100* SFMSJ 100* SFMSJ 80 SFMSJ 80 SFMSJ 63 SFMSJ 50 SKMSJ 125* SKMSJ 125* SKMSJ 125* SFMSJ 100* SFMSJ 71 – – – – SKMSJ 125* – – SDLSJ 10 SDLSJ 10 SDLSJ 16 SDLSJ 16 SDLSJ 20 SDLSJ 25 SDLSJ 25 SDLSJ 31.5 SDLSJ 31.5 SDLSJ 40 SDLSJ 50 SDLSJ 50 SDLSJ 63 SDLSJ 80 SFLSJ 80 SFLSJ 100 SFLSJ 125 SFLSJ 160 WKMSJ 200 WKMSJ 250 WKMSJ 315 – – SDLSJ 6.3 SDLSJ 6.3 SDLSJ 10 SDLSJ 10 SDLSJ 16 SDLSJ 16 SDLSJ 20 SDLSJ 20 SDLSJ 25 SDLSJ 25 SDLSJ 31.5 SDLSJ 40 SDLSJ 40 SDLSJ 50 SDLSJ 63 SDLSJ 63 SFLSJ 80 SFLSJ 80 SFLSJ 125 SFLSJ 160 SFLSJ 160 WKMSJ 250 WKMSJ 315 13.2kV 17.5kV 13.8kV 15.5kV 20kV 24kV 25kV *Fuse rated 15.5kV max. Selection of these fuses has been based on a compromise between the following: 1.The fuse should withstand transformer magnetizing inrush currents, taken as 12 times full load current for 0.1 seconds. 2.The fuse should discriminate with the highest rating of the secondary fuse likely to be used. 3.The fuse should operate reasonably quickly in the event of a transformer inter-turn fault or a fault in the secondary terminal zone of the transformer. NOTES: A.In general, the recommendations apply equally to the use of fuse in open air or in an encapsulated enclosure, since “1” and “2” above dictate the use of a fuse current rating sufficiently above the transformer current rating to nullify any adverse thermal affect of encapsulation. However, if the transformer is subjected to long time overcurrents, a higher rate of fuse may be required. B. The above recommendations are not generally applicable to transformers feeding motor circuits with starting currents in excess of the rated current of the fuse. In this event, please consult your local Edison office. C. Recommendations for other voltages are available on request. D. While the above recommendations give a good general guide, recommendations for specific cases will be sent on receipt of full details of the application. 135