Type KYN28A-12(Z) (GZS1) armoured removable AC metal-enclosed switching equipment (hereinafter referred to as "switching Equipment") suitable for three-phase AC 50H2 power systems. Used for receiving and distributing electrical energy and for controlling, protecting and monitoring circuits.

This product conforms to the standard: G83906 "335kV AC Closed Metal Switching Equipment", GB/T11022 "High voltage Switching Equipment and control equipment standard common Technical requirements", 1EC60298 "Rated voltage 1kV AC closed metal switching equipment and control equipment".