Introduction
KYN28-12 middle mounted switchgear (indoor AC metal armored removable switchgear) (hereinafter referred to as switchgear) is applicable to three-phase AC voltage 3.6kV~12kV frequency 50Hz power system, mainly used for power receiving, power transmission and large high-voltage motor starting of secondary substations in power plants, substations, industrial, mining, enterprises and institutions and power systems, and for control, protection and monitoring. This switch cabinet complies with IEC6227-200, GB3906, GB/T11022, DL/T404 and other domestic and foreign standards.