AC 220V 8-channel MCU TTL Level 8-channel Optocoupler Isolation Test Board Isolation Detection Tester PLC Processor Module

AC 220V 8-channel MCU TTL Level 8-channel Optocoupler Isolation Test Board Isolation Detection Tester PLC Processor Module
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sku: 1005004927064534
$8.34
Shipping from: China
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