4 way 5V 12V 24V 30A relay module Optocoupler isolation high and low level trigger smart home PLC automatic control with Base

4 way 5V 12V 24V 30A relay module Optocoupler isolation high and low level trigger smart home PLC automatic control with Base
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sku: 33042486701
$20.80-3%
$20.16
Shipping from: China
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