美国BUSSMANN FRSR系列低压熔断器规格资料,datasheet,选型手册,图纸,说明书,时间电流曲线图,尺寸图.pdf

美国BUSSMANN FRSR系列低压熔断器规格资料,datasheet,选型手册,图纸,说明书,时间电流曲线图,尺寸图.pdf

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Bussmann® Dimensional Data General Information: • Provides motor overload, ground fault and short-circuit pro- 5 (± 0.31) tection. When used in circuits subject to surge currents such .81 (± 0.008) as those caused by motors, transformers and other inductive A to 30A components, these fuses can be sized close to full-load amperes to give maximum overcurrent protection. 5.5 (± 0.31) • Permits the use of smaller and less costly switches. The time- 1.06 (± 0.008) delay feature makes it possible to use fuse ampere ratings 35A to 60A which are much smaller than those of non-time-delay fuses. Considerable cost saving occurs by permitting the use of smaller size switches, panels and fuses themselves. • Provides a higher degree of short-circuit protection (greater current-limitation) in circuits in which surge currents or tempo- rary overloads occur. Catalog Symbol: FRS-R

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