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ZW32-12 Outdoor high voltage vacuum circuit breaker (watchdog switch) is an outdoor high-voltage power distribution switchgear device with rated voltage of 12KV and three- -phase AC of 50 Hz. The circuit breaker is mainly used for breaking and closing the load current. The circuit breaker is mainly used for breaking and closing the load current and overload current in the power system.
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ZW32- -24 outdoor high voltage vacuum circuit breaker (hereinafter referred to as) is suitable for three-phase AC 50Hz, rated voltage 24KV outdoor switchgear. It can be used in various load current and frequent operation occasions. It can be applied in the construction and renovation of power equipment in different places such as urban and rural network, mines, railways and so on.
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It's suitable for the power system with three-phase AC 50 Hz and rated voltage of 12KV. The permanent magnet switch is mainly used as a substation 10KV outlet switch and a line protection switch for closing and opening load current, breaking overload current and short circuit current in 10KV three- -phase AC power system.
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Overall structure: three-phase common box type; Spring energy storage mechanism (CT23): electric or manual; Applicable: Power systems with three-phase AC 50Hz and rated voltage of 12KV; Main purpose: To disconnect the load current, overload current, and short-circuit current of rural power grids, domain networks, and small power systems. ZW8-12 (G) consists of a ZW8-12 circuit breaker and an isolation switch, known as a combination circuit breaker, which can be used as a segmented switch.
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It is mainly used for breaking and closing the load current, overload current and short circuit current in the power system. It is suitable for protection and control in power distribution systems of substations and industrial and mining enterprises.
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It uses vacuum arc extinguishing and SF6 gas as the insulating medium, and is an improved product of ZW20 -12 type on-column vacuum circuit breaker. ZW20A-12 outdoor on- -column vacuum circuit breaker is a maintenance- -free product, which is the best among the on-column circuit breakers. This product matches the controller and has excellent recloser function to meet the requirements of distribution automation system.
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ZW20F -12 outdoor high voltage vacuum circuit breaker (watchdog switch), installed in the responsbility boundary of the overhead distribution line, which is the front end of the user's incoming line, will automatically remove the single- phase ground fault and the phase-to -phase short-circuit fault within the user, avoiding the faults in the user's boundary and the power transmission trunk, and ensuring the safety of the non-faulty users,to improve the reliability of electricity consumption.
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The product is combined with equipment such as FDR type fault detector or RTU remote terminal device to form a distribution automation system with very simple structure, which can realize automatic positioning of overhead line faults and automatic isolation of fault sections.
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FN12-12D/630- 20 indoor AC high voltage load switchlHereinafter called FN12- 12D load switch) is is suitable for three- -phase AC distribution system with rated voltage of 12 KV and rated frequency of 50Hz. It is used for opening and closing load current, closed loop current, no- -load transformer and cable charging current, closing short circuit current.
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