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1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module 

USD 1.04USD 1.85

1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module 

Description
Specification
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