AC Surge Protection Device for Residential Distribution Box

AC Surge Protection Device for Residential Distribution Box

The surge protection device belongs to T2 AC power surge protector, which is installed between the power supply network and the equipment to drain, suppress and reduce the overcurrent and overvoltage caused by induced lightning strikes or the power grid system, so as to reduce the harm to the electrical equipment. Location of use: sub-distribution cabinet, JP cabinet etc. Network systems: TN-S, TN-C, TT. Mode of Protection: L-PE, N-PE, L-N. Protective Elements: High Energy MOV. Certificates: CB, CE.

Technical parameter

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	Imax	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	I_fi	100A(N-PE)
Response Time	t_A	25ns
SPD Special disconnector	Recommend	LT-SSD40
TOV	N-PE	1200V
Residual current-Leakage current at	Ipe	NONE
Admissible short-circuit current	Isc cr	25000A
Remote communication		With
Remote communication connection		14 11:NO, 11 12:NC
Remote contact rated current		220V/0.5A
Associated disconnectors
Thermal	disconnector internal
Mechanical 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
Insert wire length	The upper 12mm, The bottom 15mm
Mounting DIN rail	35mm (EN60715)
Degree of Protection	IP20
Housing	PBT/PA
Flame retardant grade	UL94 V0
Operating temperature	-40°C~ +70°C
Operating relative humidity	5%-95%
Working atmospheric pressure	70kPa ~ 106kPa