Electrical distribution protection equipment communications module transmission method having ultrasonic transmitter/receiver bar mechanical element second transmitter/receiver communicating and connecting communications module

摘要

The electrical distribution assembly has a protection apparatus (2) or power unit communicating with a communications module (6). A first transmitter/receiver in the protection unit communicates by ultrasonics with a second transmitter/receiver (12) using large mechanical elements fixed to the apparatus. The second transmitter receiver is connected to the communications module.