PV Surge Protective Devices KNY-40

The suree protection device belongs to T2 Ac power suree protector, which is installed between the power supply network and the eouipment todrain, suppress and reduce the overcurrent and overvoltage caused by induced lightning strikes or the power grid system, so as to reduce the harmto the electrical equipment

Basic Specification And Main Parameters

Technical Data
Max Continuous Operating Voltage	(AC)Uc	275V	320V	385V
Rated Voltage	(AC)Un	220V	220V	220V
Nominal discharge current(T2)	In	20kA	20kA	20kA
Maximum discharge current	lmax	40kA	40kA	40kA
Protection level	Up(L-N)	1.5kV	1.5kV	1.8kV
Protection level	Up(N-PE)	1.2kV	1.2kV	1.2kV
Follow Current Interrupt Rating	I₄ i	100A(N-PE)
Response Time	tA	25ns
SPD Special disconnector	Recommend	LT-SSD40
TOV	N-PE	1200V
Residual current-Leakage current at	lpe	NONE
Admissible short-circuit current	Isccr	25000A
Remote communication		With
Remote communication connection		1411:NO,1112:NC
Remote contact rated current		220V/0.5A
Associated disconnectors
Thermal		disconnector internal
Mechnical characteristics
Connection By screw terminals		4-16 mm²
Terminal Screw Torque		The upper 1.2Nm,The bottom 2.0 Nm
Recommended Cable cross Section		≥10mm²
nsert wire length		The upper 12mm,The bottom 15mm
Mounting DIN rail		35mm(EN60715)
Degree of Protection		IP20
Housing		PBT/PA
Flame retardant grade		UL94VO
Operating temperature		-40℃~+70℃
Operating relative humidity		5%-95%
Working atmospheric pressure		70kPa～106kPa