防雷产品

     Shanghai LERDN Lightning Protection Co.,Ltd. is a professional company which is devoted to the research, development and production of lightning protective devices. We have the leading status in producing SPD in China. With the superiority of the low cost of the development and the low cost of the production, We have provided high quality products for many national and local enterprises OEM/ODM in the international market.

     At present ,we have products of modular power circuit of lightning protection, lightning protection box, lightning protection of computer network, lightning protection of video、BNC signal, monitor two in one, monitor three in one, lightning protection of control signal, lightning counter, lightning protection socket, active pre-discharge lightning arrester, product tester of lightning protection and so on. And we could develop more products according to the customers’ demands.

     We have passed the ISO 9001 international quality management system certification. And our products of LDY Series conform with IEC61643 technical standards. The products have passed the examination of Shanghai Lightning Protective Device Testing Center, offered 5 years product guarantee in global scope. The users of our products have covered many provinces of China and our products been sold to southeast Asia, Europe, America and other countries.

     Welcome to patronize and to consult. We hope that we always have a happy cooperation.

 

 

 

LERDN电源防雷模块
Modular power circuit of lightning protection

Guide rail install,standard module design,used in accessory of lightning protection,such as power distribition boxes and battery racks.It protects people from lightning interference and oprate over voltage .
LERDN Lightning protection of computer network
Lightning protection of computer network

It is used in computer network with RJ45 interface,such as computer card, network switches. We have produced single interface,16 interfaces and 24 interfaces.And we can produce any product which you want.
LERDN Monitor two in one
Monitor two in one

With lightning protection of video signal and AC/DC in it, monitor two in one is used in video monitor system. It is a new product of lightning protection. You can use it in safety intelligent protection and so on.
LERDN Lightning protection of antenna feeder signal
Lightning protection of antenna feeder signal

It is used in antenna feeder component. It can prevent the electrical equipments from the flash and reduce the accident loses.

LERDN Lightning protection of two lines control signal
Lightning protection of two lines control signal

It is used in industrial control signal、audio signal and other signal equipment.We can produce the products with any kind of voltage.
LERDN Lightning protection of telephone signal
Lightning protection of telephone signal

It is used in telephone signal with RJ11 interface,such as ADSL、Telephone MODEM and communication equipment with the RJ11 interface.
LERDN Lightning protection socket
Lightning protection socket

It is used before the power terminal.It can protect the equipment from the damage of over voltage and over current.We have for and six two types of sockets.
LERDN Decoupler
Decoupler

In order to make up the wire's length is not enough,it is used in increasing the couducting wire's inductive loop. It can coordinate different types of surge protective devices.
LERDN Product tester of lightning protection
Product tester of lightning protection

Handheld product tester of lightning protection can test the continuity voltage and leakage current of the MOV products,the turning voltage of the switch products.

 

 

LERDN Lightning protection box
Lightning protection box

With lightning counter,fault remote signal control terminal,audible and visual alarm in it,it is used in fine lightning protection,such as computer network lab,elevator machine room,control room and equipment master control room.
LERDN Lightning protection of video、BNC signal
Lightning protection of video、BNC signal

Lightning protection of video、BNC signal, which is used in equipment with BNC signal such as monitor video camera, digital hard disk video cassette recorder and so on We have single interface and 16 interfaces'products.

LERDN Monitor three in one
Monitor three in one

With lightning protection of video signal and AC/DC in it, monitor three in one is used in video monitor system. It is a new product of lightning protection. You can use it in safety intelligent protection and so on.
LERDN Lightning protection of 485 control signal
Lightning protection of 485 control signal

It is suitable for lightning protection of 485 control signal.
LERDN Lightning protection of four lines control signal
Lightning protection of four lines control signal

It is used in industrial control signal、audio signal and other signal equipment.We can produce the products with any kind of voltage.
LERDN fine modular power circuit of lightning protection
Fine modular power circuit of lightning protection

It is used in fine lightning protection of loe voltage equipment.We can produce modules of fine lightning protection with any kind of voltage.
LERDN Lightning counter
Lightning counter

It is used in lightning counting.It is stored by flash.Data will never be lost when it is offline. We could design scsi embedded scsi circuit board for all kinds of equipments.
LERDN Active pre-discharge lightning arrester
Active pre-discharge lightning arrester

Pre-empted general lightning arrester's discharge time,it can protect equipments from lightning strike more effective.

LERDN lightning protection
More

We can produce all kinds of combination type lightning protection boxes、module of lightning protection with special appearance and requirements.You could require us to develop new products for you.