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KYN61-40.5 Armored Removable AC Metal Enclosed Switchgear (hereinafter referred to as switchgear) is suitable for three-phase AC 50Hz, 35kV single busbar and single busbar segmented power systems. It is mainly used in power plants, substations, industrial and mining enterprises, and high-rise buildings for receiving and distributing electrical energy, and for controlling, protecting, and monitoring circuits. It meets the requirements of standards such as IEC62271-2003, GB3906-2006, DL404-91, and has complete "five prevention" functions.

The ZN85-40.5 (3AV3) vacuum circuit breaker or SF series sulfur hexafluoride circuit breaker is equipped with heat shrink insulation material and epoxy coating insulation technology, optimized electrode shape, compact cabinet structure, and reduced footprint. The switch cabinet is made of high-quality aluminum zinc coated steel plate processed by CNC sheet metal processing, and connected by high-strength bolts, nuts, and rivets. The surface of the components is sprayed or galvanized; Each functional compartment of the switchgear is sealed with metal partitions and equipped with independent pressure release channels.