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HAI-39A00-3 |
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HAI The HAI UPB? Three-Phase Repeater (TPR) enables communication between UPB devices on a three-phase 120/208VAC delta-wye, 60Hz electrical system. The main purpose of the TPR is to transfer UPB? multi-packet messages transmitted on one phase (leg) of the electrical system and strongly repeating them on to the other phases (legs) to ensure proper communication.
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