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ZW20 outdoor high voltage vacuum circuit breaker

The product is a three-phase AC outdoor high-voltage circuit breaker equipment, three-phase common box structure, using vacuum arc extinguishing, phase SF6 insulation, mainly used in urban and rural overhead power distribution network, load, fault current. The box adopts a mature fully sealed structure, filled with SF6 gas, not affected by the external environment, is a maintenance-free product. The spring operating mechanism adopts direct chain main drive and multi-stage tripping system, which has high reliability. It is suitable for protection and control of substations, industrial and mining enterprises and urban and rural distribution networks, and can realize distribution automation with the combination of longitudinal and HZD300F series feeder terminals.

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ZW32 outdoor high voltage vacuum circuit breaker

The product is a three-phase AC outdoor high-voltage circuit breaker equipment, three-phase pillar structure, using vacuum arc extinguishing, interphase air insulation, mainly used in urban and rural overhead power distribution network, split load, fault current. The three-phase pillar adopts imported outdoor silicone insulated pole and APG integral sealing technology, which has stronger insulation performance. One-time sealing and discharging process enables the switch to have more excellent electrical and mechanical properties. Supporting miniaturized spring operating mechanism or permanent magnet mechanism, high reliability; Fully enclosed structure, good sealing performance and good environmental adaptability. This type of vacuum circuit breaker can be upgraded to be used as a recloser or sectionalizer in conjunction with the feeder terminal of the combined longitudinal HZD300F series to monitor the power grid unit of the medium voltage overhead line in real time and realize the management requirements of the power distribution automation system.

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LW3 outdoor high voltage SF6 circuit breaker

The product is a three-phase AC outdoor high-voltage circuit breaker equipment, three-phase common box structure, using SF6 arc extinguishing, phase-to-phase SF6 insulation, mainly used in urban and rural overhead power distribution network, split load, fault and short-circuit current. The product adopts rotary arc extinguishing principle, built-in 35mm breaking fracture, circuit breaker and operating mechanism as an integral structure, with simple structure, reliable arc extinguishing and insulation performance, low operating power, high rated parameters, long electrical life and maintenance-free cycle and other significant advantages, suitable for small and medium-sized power stations as control and protection. With the hezong HZD300F series feeder terminal, distribution automation can be realized.

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A secondary fusion set of on-column circuit breakers

The primary and secondary fusion set of column circuit breakers produced by Hezhong Technology are mainly used in the 10kV outdoor power distribution system of rural and urban power grids, and are used for load current and closing short-circuit current in the power distribution system. The installation and use of the control terminal FTU can realize the automation of distribution network. The product is composed of switch body, intelligent controller (FTU), connecting cable and power supply voltage transformer.

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FZW28 outdoor high voltage vacuum load switch

The product is a three-phase AC outdoor high-voltage load switchgear with a three-phase common box structure, vacuum arc extinguishing and interphase SF6 insulation. It is mainly used in urban and rural overhead power distribution networks to split load current, closing fault and short-circuit current. The built-in main circuit isolation knife switch and arc extinguishing chamber are linked in series, with reliable opening and closing and high insulation performance. This series is divided into three types: dividing type FZW28F, voltage type FZW28Y and concentrated type FZW28D, which can realize automatic removal of single-phase ground fault and automatic isolation of interphase short circuit fault. It is suitable for T-connection or user end of user incoming line of 10kV distribution line, and also for connection of other branch lines that meet the requirements.

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FZW34 outdoor high voltage SF6 load switch

The product is a three-phase AC outdoor high-voltage load switchgear, three-phase common box structure, using SF6 arc extinguishing, phase-to-phase SF6 insulation, mainly used in urban and rural overhead power distribution network, the load current, closing fault and short-circuit current. Can also break the transformer no-load current and a certain distance of the cable charging current. With the hezong HZD300F series feeder terminal, distribution automation can be realized.

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