FZW28-12 630A Demarcation Type 11KV 12KV 3 Phase Vacuum Load Switch Breaker
FZW28-12 series outdoor boundary vacuum load switch is suitable for outdoor three-phase AC power distribution system with rated voltage of 12kV and rated frequency of 50Hz. It is used for opening and closing load current and closing short-circuit current.
It is suitable for substations, industrial and mining enterprises, urban and rural power grids as protection for them and frequently operated places.
This boundary load switch is composed of FZW28-12 vacuum load switch and controller, which are electrically connected through aviation socket and outdoor sealed control cable. It can reliably judge the zero-sequence current and short-circuit current between phases inside and outside the detection range, and it is suitable for power distribution systems with different methods of neutral point grounding.
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| Rated Voltage | | |
| Insulation Level | 1min Power Frequency Withstand Voltage (Poles, To the Ground / Fracture) | | | |
Lightning Impulse Withstand Voltage (Poles, To the Ground / Fracture) | | |
| Frequency | | |
| Rated Current | | |
| Rated Delay Withstand Current and Duration | | | |
| Rated Peak Withstand Current | | | |
| Rated Short-Circuit Making Current | | | |
| Mechanical Life | | |
| Net Weight | | |
Hebei Liebang Electric Technology Co. LTD was established in 2000, located in Hebei, China, covering an area of 20,000 square meters, is a group integrating R&D, manufacturing, sales and service. Our products cover many fields such as transformers, switch cabinets, electricity meters, wires and cables, and are widely used in construction, energy, communication and other industries.The company has its own technology research and development team. All products can be individually designed according to structural, mechanical and electrical principles. With advanced production equipment, testing equipment, production line and computer network control system, it is a leading domestic power equipment manufacturer in terms of product production, component selection and assembly. It has also passed ISO9001, ISO14001, ISO45001, CQC, test report and other quality system certifications, and the credit rating AAA certificate.We sincerely invite you to visit our factory for guidance and negotiation, and to explore potential cooperation opportunities.