8 Channel PLC Voltage Detection Module 220V AC Optocoupler Isolation Board
9,56 €
Feature: 1. Item Type: Optocoupler Isolation Board. When the 220V is powered off, it outputs a high level. Connection: Output can be connected to PLC 24Vb. Function: Test whether AC 220V exists. If you do not receive our reply within 48 hours, pls.
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