Photovoltaic System
Class I (Switch Type)
Class I (Voltage Limited Type)
Class I+II Series
Class II (Plus) Series
Class II Series
Class III Series
Connection in Series
Surge Protective Box
CATV Protection Series
Din-rail Control & Signal Series
3-4 Line Control & Signal Series
Mini RJ45 Surge Protective Device
Aluminum shell Control & Signal Series
19" Rack Control & Signal Series
Antenna Surge Protection
Power over Ethernet Series
Surge & Lightning Counter
Outlet with Surge Protection
DB9 Control & Signal Series

I. 5 years product guarantee.
On the premise of designing and operation according to relevant regulations and standards, LERDN pledge 5 year product guarantee.

II. R&D service
Different systems need more effective lightning protection from revelant products. Althought, for many new systems, we can hardly find optimal feasible surge protective device. LERDN accepts a commission to develop tail-made surge protection sulution fit for your requirement.

III. Product selection service
Product selection is a matter of consideration,wrong selection may cause fatal damage to your system.So, LERDN accepts a commission to select the optimal feasible surge protective device and solution fit for your requirement.

IV. OEM service
Could we place order by OEM style to produce our own brand products in China? Of course you can. Welcome to do OEM. Only if you offer us the OEM style and requirements, we can manufacturer the same models for you! As a manufacturer, we accept OEM orders, we insist the manage concept "Technology first,Quality is the life, Service to win" and promise the clients as following:

1. Offer sample prompt, prices reasonable
2. Reduce cost, improve efficiency
3. Delivery in time, quality guarantee
4. OEM Experience: 14 years (from 2004 to 2018)

Detail please feel free to contact us, we will further talk with you.