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CE certified signal lightning protection device produced by top lightning arresters manufacturer with more than 20 years of experience
This signal lightning protection device is designed according to the IEC lightning protection standard for the surge protection of analogue signal, switch signal, data signal, communication line and remote-control signal of industrial automatic control system.
(1) Suitable for lightning surge protection of  3 core signal circuit
(2) High rate, low loss
(3) Fast response, low residual pressure
(4) long life span, convenient installation, simple maintenance
Technical parameter
Product name 
DK-nDCp 24-3 signal SPD
Rate current(A)
0. 5
Nominal discharge current(8/20μs)(kA)
Max. discharge current(8/20μs)(kA)
Voltage protection level of L-N(V)
< 50
Voltage protection level of L-PE or N-PE(V)
< 150
Response time
< 1ns
Insertion loss (dB)
0. 5
Interface mode
3P wire connecting terminal
Housing material
Housing protection grade
Ambient temperature
-40 to +80 degree centigrade
Ambient humidity
< 95%
0. 07
OEM, Privare label is welcomed.
We have specilized in lightning protection for more than 20 years. We promise to supply you the highest quality lightning protection products and best price. You will also enjoy small MOQ and fast shipment with us.