SIBA ultra-rapid knife blade contact fuses type NH are available in many different sizes and our voltage ratings. They follow DIN/VDE -IEC standard and can be fitted in open fusebases. Usage in fuse bases or switches requires the comparison of the power loss of the fuse with the power acceptance of the base or switch. All SIBA type NH-fuses are available with either integral blown fuse indicator or a separately fitted trip indicator fuse for microswitch operation. Class: aR/gR Sizes: 000 / 00 / 0 / 1 / 2 and 3 Voltage ratings: AC 500 V - 2000 V Current ratings: 16 A up to 800 A

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SIBA square body fuses type SQB are available in 3 different body sizes. Each size is available in variousmounting styles for global applications. Variety in bodysizes, mounting style and amp ratings allow the greatestflexibility in equipment design. SIBA SQB fuses provide superior engineering for theprotection of today’s power semiconductors. Thesilicated process together with special shape and formof the pure silver melting elements give excellent resultsof low I2t-values and high interrupting ratings. And theyare the most reliable under high cycling load conditions. All fuses can be fitted with microswitches. Approvals: Recognition Standards:   DIN 43653 DIN VDE 0636-40 IEC 60269-4 UL 248-13 Class: aR Voltage ratings: AC700 V /AC1300 V Current ratings: 50 up to 1600 A Sizes: 1, 2 and 3 Tested at:   acc. IEC - 1.1 x Un acc. UL - 1.0 x Un