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Insulating bracket is used for supporting the whole contact rail system. At the same time, it guarantees the electrical insulation between power supply rails. Upper three “ears” is used to fix and link three power supply rails, lower two “ears” is used to fix and link grounding rail/signal rail. Insulating bracket is mould pressed by SMC unsaturated polyester glass fiber reinforced mould plastic material. It has the characteristics of reasonable structure strength, electrical insulation, etc. 
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It is used at necessary electrical subsection place including between adjacent power division, the liaison line between main line, crossover, between parking lot and main line, etc. in order to realize the continuous mechanical and electrical isolation between contact rails, and to ensure that locomotive collector shoe can transit smoothly at insulating subsection of contact rail. The body of the connector uses glass fiber reinforced resin (GRP). It has the advantages of high strength, arc withstanding, pollution withstanding, prevent ageing
