Solid-state decoupler is a kind of AC interference protection product which integrates embedded discharge and surge protector. It is mainly used in long distance buried pipeline engineering. Near the pipeline of high voltage transmission line iron tower/communications tower, and grounding system, the parallel transmission lines and pipeline within the period of the public corridor, in the pipeline, and transmission lines cross location and electrified railway parallel section, install to couplers are effectively reduce the DC and AC stray current or lightning current's influence on the buried pipeline, Enhance the stability of pipeline cathodic protection potential measurement.
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Less than or equal to 1mA（Potential difference is less than 1.5V） Less than or equal to 10 mA（Rated isolation voltage） |
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+2V/-2V +3V/-3V 0V/-2V |
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Rated lightning surge current（8/20μs） |
100kA |
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(AC-rms/power frequency/30cycle) |
Greater than or equal to 3500A |
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45A |
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-45 degree -+60 degree |
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Greater than or equal to IP65 |
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Explosion-proof Area and Grade |
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Greater than or equal to 10MΩ |
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TC-DD-+2V/-2V |
+2V/-2V |
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TC-DD-+3V/-3V |
+3V/-3V |
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TC-DD-0V/-2V |
0V/-2V |
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