Type KYN Armored Withdrawable AC Metal-Clad Switchgear

Name		Unit	Data
Rated Voltage		Kv	40.4
Rated Current	Main Busbar	A	630 1250 1600
Rated Current	Circuit Breaker	A	630 1250 1600
Rated Insulation Level	1 min Power Frequency Withstand Voltage(Between Poles / Phase-to-Earth / Across Breaking Gap)	Kv	95,110
	Lightning Impulse Withstand Voltage (Peak Value)Between Poles / Phase to Earth / Across Breaking Gap	KV	185 215
	Power Frequency Withstand Voltage for Auxiliary Circuit and Control Circuit	V/min	2000
Rated Frequency		Hz	50/60
Rated Short-circuit Breaking Current		KA	20 25 31.5
Rated Short-time Withstand Current/Rated Short-circuit Duration		KA/4s	20 25 31.5
Rated Peak Withstand Current		Kv	50 63 80
Rated Short-circuit Making Current		Kv	50 63 80
Rated Voltage of Control Circuit		V	DC: 110 220 AC: 110 220
Ingress Protection Rating	Switchgear Enclosure		IP4X
Ingress Protection Rating	Between Compartments		IP2X