Electric Power Surge Protection Device Product overview

In the protection of electronic equipment circuits, Electric power surge protection device provide hierarchical protection for electronic equipment, generally divided into three levels.

At the first level, the lightning arrester directly discharges the lightning current and huge lightning energy. At this stage, it can generally reduce the voltage of tens of thousands of volts to several thousand volts. Generally, after the first level of protection, there is still lightning energy remaining.

The second level of protection is that the lightning arrester discharges the residual lightning energy.

The third level of protection is to protect electromagnetic pulse radiation and the residual lightning energy that passes through the second level lightning protector.

Under this level-by-level protection, electronic equipment can be protected to the greatest extent.

XZ2-SPDI+ll15 surge protector is suitable for lT, TT, TN-C, TN-S, TN-C-S and other power supply systems of low-voltage AC distribution 50/60Hz, 230/400V and below. It can be connected with equal potential when lightning strikes in parallel on the power line when used. Mainly used to protect low-voltage customer electrical installations from surges caused by atmospheric discharge (e.g. to indirect lightning) or other operating instantaneous overvoltages. As a single voltage limiting device. Products in line with GB18802.1, GB50057 and lEC/EN61643-11 standards.

The SPD has a built-in disconnector. When the SPD fails due to overheating or breakdown, the disconnector can automatically disconnect it from the power grid and give an indication signal.

Electric Power Surge Protection Device Main technical parameters

Specifications	XZ2-SPDI+ II15
limp Lightning impulse current	15kA
In(8/20 μs) Nominal discharge current	20kA
1peak(10/350 μs) The peak current	100kA
Uc(VAC) Maximum Continuous Operating Voltage	385
Uc(kV) Voltage protection level	2.4
(ns)Response time	<100
Protection grade	IP20
The shell material	PBT/PA66
Test classification	Class l
Ambient limit femperature TU	-40℃~80℃
Front over current protection device	XZSCB-i15
Protected mode	L/N-PE
Type of installation	35mm standard guide rail is used for installation
(mm²) lnduced power line cross-sectional area	16-35mm² / Multicore flexible cable
Note	Remote signal function can be added, other maximum continuous working voltage UC can be customized

The protection device shall be installed at the end of the upline (immediately connected to the downline of the pull-in wire) required to protect the customer's equipment, connecting the outer lead (L) or neutral lead (N) to the grounding device of the customer's equipment. It is installed at the junction of LPZOB area and LPZ1 area, with 35mm standard guide rail, and it isconnected with 16-35mm² copper multi-stranded wire.

Each front pole of SPD surge protector must be connected in series with XZSCB series surge backup protector or fuse.

Usually installed in the line of low voltage main distribution cabinet, used for primary power equipment protection, often used in vulnerable to lightning outdoor power distribution cabinets, power distribution cabinets and indoor irfpa have to qualify the roof of the power distribution equipment, suitable for civil construction, electrical, communications, road traffic, such as the petrochemical industry of power equipment protection.