The 3-phase 250A Signal Blocking Coupler is designed to be attenuate (at a rate of 30:1) X-10 power line carrier signals from crossing from one household to another via the AC wiring. The coupler/blocker is installed between the meter and the breaker panel, using the Copper Neutral between the two. The unit may be used in single, dual or three phase installations. For best results a PZZ01 should be installed at both homes experiencing the signal crossings.
Unique features of the design include its ability to efficiently couple X-10 signals between phases, the elimination of any direct connections to the power company-side wiring and the elimination of heavy current carrying inductors, resulting in a very compact design.
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