Armored movable AC metal‑enclosed switchgear

Technical parameters of KYN28‑24 switchgear
name	unit	data
Rated Voltage	kV	24
rated frequency	Hz	50.60
Rated insulation level 1‑minute power frequency withstand voltage	kV	65,79
Lightning impulse withstand voltage	kV	125,145
Power frequency withstand voltage of auxiliary circuit and control circuit	V/min	2000
Rated Current	A	630,1250,1600,2000,2500,3150
Rated short‑circuit breaking current	kA	20,25,31.5
Rated short‑circuit closing current	kV	50,63,80
Rated short‑time withstand current	kA	20,25,31.5
Rated peak withstand current	kV	50,63,80
Rated voltage of auxiliary control circuit	V	DC or AC 110, 220
Protection rating		IP4X