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Sichuan Zhongguang Lightning Protection Technologies Co., Ltd. www.zhongguang.com
PROFESSIONAL LIGHTNING
PROTECTION, SAFE GUARD
AGAINST DAMAGE
Lightning protection of buildings is a key issue of safe electric power &
safety of electric appliances. Safe environment and reliable application of
electric appliances directly relate to our personal safety and daily life, e.g.
the overvoltage in our daily operation of household electrical appliances
happens every day resulting in threat of power failure.
page 01
ZG provides most professional lightning protection solution to various buildings.
Our professional service guarantees you and your family to stay in a safe and comfortable living environment.
High quality living is guarded by our protection.
Lightning hazards to buildings and its electric appliances can cause
various damages. The main causes can be thermal effect, mechanical
force by lightning, lightning current invasion, electromagnetic induction etc.
which bring about the damage on buildings and its electric equipment.
Through years of our engineering experience against lightning, if there is
no lightning protection measure, lightning strike may cause severe safety
problems to people and property.
page 02
ZG LIGHTNING PROTECTION
SOLUTION FOR BUILDINGS
ZG lightning protection solutions meet China standard GB 50057/ GB 50343-2012 (IEC 62305)
which includes direct lightning protection, shielding, equipotential bonding, reasonable wiring,
earthing, installation of surge protective devices etc. to build up a comprehensive lightning
protection system. Installation of lightning protection system applies standard of NFPA 780.
Ancient architecture applies China standard of GB 51017-2014 (IEC 62305).
page 03
We provide the professional and safe measures to buildings against
lightning through direct lightning protection, common earthing system and
integrated measures against LEMP.
Our protection concept for buildings is based on common earthing,
integrated measures and multistage discharge of over current & over voltage.
Direct lightning protection:
Choose ZG conventional lightning rod
as direct protection against lightning
and select type and post height
based on calculation of rolling sphere
method and set up protection ring belt
of voltage sharing.
Earthing system:
Choose ZG non-metal earthing
module connected with natural
earthing body of building to set up an
integrated earthing grid.
Inductive lightning protection:
Install multi-stage surge protective
devices in power distribution system
and install multi-stage signal surge
protective devices on signal lines to
protect equipment concerned. Apply
accordingly the shielding measures,
reasonable wiring, equipotential
bonding etc. to set up an integrated
lightning protection system.
page 04
ZG LIGHTNING
PROTECTION SOLUTION
FOR BUILDINGS
ZG provides various solutions
for different application cases.
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3-STAGE PROTECTION
FOR POWER
DISTRIBUTION
SYSTEM
ClassⅠ SPD shall be installed at general distribution cabinet (LPZ0A or boundary between LPZ0B
and LPZ1) or at connective interface between low voltage cable and overhead supply line. The SPD
impulse discharge current I generally shall be more than 12.5 kA for each protection mode and voltage imp
protection level shall be less than 2.5 kV.
Decoupling device shall be installed between different class level SPDs when connective wire is <10 m
between switch type SPD and voltage limiting type SPD as well as connective wire is <5 m between
voltage limiting type SPDs.
The SPD has the tripping function and degradation display.
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page 07
SIGNAL LINE
PROTECTION
Signal SPD shall be installed at boundary of LPZ (LPZ0A or boundary between LPZ0B and LPZ1). Select
single class SPD or coordinated SPDs based on amplitude of overvoltage, overcurrent and rated value of
impulse voltage withstanding at equipment interface.
The selection of SPD shall match with the transmission rate, operational voltage and interface type. The
SPD output port shall connect to equipment protected.
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LIGHTNING PROTECTION FOR
DISTRIBUTED PHOTOVOLTAIC SYSTEM
Long-term, safe and efficient distribution of photovoltaic power generation
system is ensured by the comprehensive lightning protection.
Enjoy your solar energy under safe protection.
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SMART LIGHTNING
PROTECTION SYSTEM
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The lightning monitoring system can monitor accurately on real-time the lightning
current waveform, amplitude, polarity and time of the lightning current pass flow
through the discharge passage
PDUs and DCDUs are widely used based on the importance of equipment
distribution and power energy management in various data room systems.
PRODUCT
OVERVIEW
Product series Description Type
DIRECT LIGHTNING PROTECTION PRODUCTS
LEMP PROTECTION PRODUCTS
Low Resistance Earthing Module
ZGD-I series
st 1 Stage Three-phase/Single-phase AC Power SPD
nd 2 Stage Three-phase/Single-phase AC Power SPD
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03
02
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page 11 Lightning Rod
Receiving lightning and inducing lightningcurrent into the ground
Franklin Lightning Rod
Optimized Lightning Rod
Obtained invention patent
High electrical conductivity
Excellent anti-corrosionperformance
Class Ⅰ+ Class Ⅱ
The series has 3+1, 4+0, 3+0, 2+0, 1+1 etc. Used for TN,TT,IT
low voltage AC power distribution system.
Impulse discharge current (10/350 μs) Iimp
: 25 kA / 50 kA
Nominal discharge current (8/20μs) In
: 25 kA / 50 kA
ZGGF25-385 Series
ZGGF50-385 Series
ZGGFB25-385 Series
ZGGFB50-385 Series
Class Ⅱ
The series has 3+1, 4+0, 3+0, 2+0, 1+1 etc. protection modes for TT,
TN low voltage AC power distribution system.
Impulse discharge current Iimp
(8/20 μs): 20 kA /30 kA /30 kA
ZGG80-385e Series
ZGG60-385e Series
ZGG40-385/320/275e
Series
page 12
Product series Description Type
PCS & String Inverter - Power Supply Protection for 1000 V System
Class Ⅱ lightning protection at the AC/DC ends, mounted on PCB
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PCS & String Inverter - Power Supply Protection for 1500 V System
Class Ⅱ lightning protection at the AC/DC ends, mounted on PCB
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rd 3 Stage Three-phase/Single-phase AC Power SPD
ZGG20-385/320/275e
Series
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rd 3 stage DC power SPD
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ZG provides multiple sets of product configuration solutions for buildings lightning
protection. If you have other requirements, please contact us directly. Our global
service hotline is (+86) 400 682 1987.
Class Ⅱ
The series has 3+1, 4+0, 3+0, 2+0, 1+1 etc. protection modes for TT,
TN low voltage AC power distribution system.
Impulse discharge current Iimp
(8/20 μs): 10 kA
Class Ⅱ
Used for low voltage DC power distribution system.
Impulse discharge current Iimp
(8/20 μs): 10 kA /20 kA
ZGG40-48e Series
ZGG20-48e Series
ZGG20-24e Series
ZGGS**-670PV Series
ZGGS**-500PV Series
ZGGS**-900PV Series
ZGGS**-890PV Series
Impulse discharge current Iimp
(8/20 μs): 10 kA /20 kA
Impulse discharge current Iimp
(8/20 μs): 10 kA /20 kA
Product series Description Type Ultra-transmission rate signal SPD
Efficiently suppress the over voltage & impulse occurred in Gb Ethernet
High transmission rate, quick response, low protective dB
ZGXT-4R-5
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Signal SPD
Used to protect internal high transmission rate interface of Ethernet
High transmission rate, quick response, low protective dB
RJ 45 Port
ZGXH-2R-5
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24-port combined SPD
High transmission rate, quick response, low protective dB
RJ 45 Port
ZGXH-2R24-5
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page 13 Signal SPD
Used to protect camera, monitor
Box type can be mounted on rack.
ZGM-1B16-5
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Combined SPD
This series combines 2 in 1 of power protection & video signal protection
The power protection part is in series connection suitable for AC or DC with
load current less than 5A; the signal part is suitable for protection of HD
camera.
RJ 45 Port
ZGZH series
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Product series Description Type
PDU
Common series
Smart series
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Smart SPD monitoring system (used for online monitoring of SPD)
Detect surge current amplitude, polarity occurrence time & times occurred
on SPD.
SPD remote function
SPD degradation display
Communication mode: RS485 bus line
ZGLJ-S2 series
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Ethernet communication module
Transmit on real time the equipment status
Communication mode: RS485 Ethernet
ZGLJ-C2
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iDCDU
ZGDCDU Series
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Socket with lightning protection
Max continuous operating voltage: 385 V AC
Limited voltage: (8/20 μs 1.5 kA): L-PE, N-PE ≤1500 V
ZGJ8610
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ZG focuses on the research and development of intelligent PDUs.
Providing the perfect front-end dynamic environment monitoring
and complete background management solutions for customers
Suitable for the power distribution management of 5G base stations
or equipment cabinets, providing intelligent power switching and
monitoring.
Ensuring energy efficiency, emission reduction, and safe operation
for equipment or data centers
ONE-STOP SUPPLIER OF
BUILDING CABLES AND CABINETS
page 15 Additionally, we offer a one-stop procurement service for
commonly used electrical products in the building sector,
including wires, cables, both high and low voltage distribution
boxes and so on.
page 16
A concentration box for low-voltage lines used to centrally manage and distribute
various low-voltage signals within a household, including networking, telephone,
television, and security systems, to prevent interference from high-voltage
electrical systems.
ELV BOX
A concentration box for low-voltage lines used to centrally manage and distribute
various low-voltage signals within a household, including networking, telephone,
television, and security systems, to prevent interference from high-voltage
electrical systems.
CONSUMER UNIT
A control unit used in residential electrical systems where the
main power line enters and branches out into multiple circuits
for indoor lighting, sockets, air conditioning, etc.
TPS FLAT COPPER CORE WIRE
Wire material: Oxygen-free copper / PVC
Executive standard: AS/NS 5000.2
Product certification: SAA
Product specification: 0.75/1/1.5/2.5/4/6/10
Number of cores: 2C/3C/2C+E
INNOVATION & GLOBAL PARTNERSHIP
