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Overview: TZN series vacuum circuit breaker is an indoor high-voltage switchgear, suitable for three-phase AC power system with rated voltage of 12KV, 24KV and frequency of 50/60Hz. Power circuits in normal and abnormal states, and are especially suitable for places that require frequent operations.
Main feature：
Ø Suitable for indoor switchgear with rated voltage 12KV/24KV and rated frequency 50Hz/60Hz power system;
Ø The main conductive circuit is cast into one body by APG process, the mechanism is modularized, and the parts are versatile;
Ø The complex mechanical interlocking and tripping systems are reduced, and the reliability is further improved;
Ø Maintenance-free, anti-condensation, high dielectric strength, anti-pollution, low resistance；
Ø Suitable for medium voltage indoor metal armored removable switchgear. Comply with GB and IEC related standards;
Ø The energy storage module adopts capacitor energy storage, which has short energy storage time and long service life (more than 10 years in HKUST);
The main technical parameters：
Tellhow Technology (Shenzhen) Power Technology Co. Raffles Power Electronics (Shenzhen) Co., Ltd. Jiangxi Tellhow Intelligent Power Technology Co., Jiangxi Tellhow Intelligent Power Engineering Co., Guizhou Tellhow Electric Power Technology Co., Ltd Guizhou Tellhow Electric Power Engineering Co., Lt Shenzhen Tellhow Digital Technology Co., Ltd.
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