Overview of the products

KYN28-12 (Z) (GZS1) type movable AC metal enclosed switchgear (hereinafter referred as "switchgear") is suitable for photovoltaic power generation systems, wind power generation system and power system with three AC 50Hz below 12kV, used to receive and distribute electrical energy, and to control, protect, and monitor circuits.
This product meets the standards: GB3906 <<3-35kv ac="" metal="" enclosed="" switchgear="">>, GB/T11022 <>, and IEC60298 <>.

Model and meaning

Electric technical parameters

Project		Unit	Parameters
Rated voltage		kV	3.6、7.2、12
Rated frequency		Hz	50
Rated current of circuit breaker		A	630、1250、1600、20002500、 3150、 4000
Rated current of switchgear		A	630、1250、1600、2000、2500、 3150、4000
Rated short-term withstand current (4S)		kA	20、25、31.5、40
Rated peak withstand current (peak)		kA	50、63、80、100
Rated short-circuit breaking current		kA	20、25、31.5、40
Rated short-circuit making current (peak)		kA	2.5
Rated insulation level lmin power frequency withstand voltage	between poles, between poles to ground	kV	24、32、42
	between fractures	kV	24、32、42
Lightning impulse withstand voltage (peak)	between poles, between poles to ground	kV	40、60、75
	between fractures	kV	46、70、85
Level of protection			The shell is P4X, and then as IP2X when the door between compartments and circuit breakers is open.