The AC/DC drainage device is a product that combines both DC and AC stray current protection functions. It has low impedance for both DC and AC current conduction capabilities, providing protection against DC interference, AC interference, as well as fault currents and lightning surge protection for metal pipelines.
The AC/DC drainage device is a product that combines both DC and AC stray current protection functions. It has low impedance for both DC and AC current conduction capabilities, providing protection against DC interference, AC interference, as well as fault currents and lightning surge protection for metal pipelines.
As an AC&DC mitigation device, it can be mounted on the pipeline interfered by stray current while leaving cathodic protection unaffected. It can also be installed in the station yard, valve room and otherinsulated joints or centralized grounding position to protect the insulation device.
The product adopts metal shell, fully waterproof sealing structure, to satisfy complex field environmental conditions, and it is easy to install and maintain on site.
| Main parameters | Parameter scale |
|
Rated isolation voltage |
+0.3V/-3V |
|
Rated lightning impulse current capacity （8/20μs） |
100kA（15次） |
|
AC fault current （AC-rms/工频/30周波） |
≥3500A |
|
Steady state AC current rating |
45A |
|
Steady state DC current rating |
100A温升≤50℃ |
|
Operating temperature |
-45~+60℃ |
|
Protection grade |
IP65 |
|
Main engine size W×D×H |
（265×153×128）mm |
|
Installation environment |
The maximum relative humidity is not greater than 95% RH, no condensation |
|
When used in an explosion-proof environment, install it with an explosion-proof box |
|
|
The installation site has no strong vibration and impact, no strong electromagnetic interference, and the surrounding medium does not contain harmful gases and conductive media that corrode metal and destroy insulation |
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