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limiting current Must be determined before orderingRated voltage, rated current, indoors or outdoors, phase distance, ceramic or silicon rubber or resin 1. We are willing to customize for each new product 2.Supply all the components and accessory of High Voltage Switchgear 3. if you need our product information, please leave a detailed address, so that we can express send them over! 4.Alibaba China Quality SuppliersWe are specialized in the production: vacuum circuit breaker; sulfur hexafluoride circuit breakers; isolating switch; load switch; drop-out fuses; High Breaking Capacity Fuses; arresters; transformer; high voltage insulator; metering box; Through-wall bushing; operating mechanism ; less oil circuit breaker; multi-oil circuit breaker; over-voltage protection device; complete sets of equipment.