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Square Pipe Fuse Links With Knife Contacts

Square Pipe Fuse Links With Knife Contacts - Fuse Links & Holders

Applications: 
Protection against overload and short-circuit in electric lines(type gG), also available for protection of semiconductor parts and equipments against short-circuit(type R) and protection of motors(type aM).Rated voltage up to 1140V,Rated current up to 1250A; Working frequency 50Hz AC; Rated breaking capacity up to 120KA. Compliant with GB13539 and IEC269. 

Dsign Features:
Varilable cross-section fuse element made from pure metal sealed in cartridge made from high-duty ceramic. Fuse tube filled with chemically treated high-purity quartz sand as arc-extinguishing medium. Dot-welding of fuse element ends to the terminals ensures reliable electric connection and forms insert knife type contacts. Indicator or striker may be attachend to the fuse link to show cutout of fuse or to give various signals and to cut the circuit automatically.
 
Specification:

Cat NO. Models Rated Voltage(V) Rated Current(A) Dimensions/size(mm) Weight(g)
HRO Cross-reference
gG(Normal) aR(Fast) gG(Normal) aR(Fast) A B C D E F G H
340 RO32BZ RS32BZ   HLS1 500 125-250 135 68 20 50.5 9 24.5 26 68 380
341 RO33BZ RS33B2Z   HLS2 500 250-400 150 68 25 66.5 9 29 35 71 675

Square Pipe Fuse Links With Knife Contacts - Fuse Links & Holders