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, designed to seamlessly match standard low voltage distribution cabinet configurations, complies with IEC6227-200, GB3906, GB/T11022, DL/T404 and other domestic and foreign standards.