(5V) 2Ch Channel Optocoupler Isolation Relay Module 5V/12V/24V Scm Plc Signal Amplifier Board 8727971221211

(5V) 2Ch Channel Optocoupler Isolation Relay Module 5V/12V/24V Scm Plc Signal Amplifier Board 8727971221211

GreenZech

Structural Features: 1. Use Hongfa relay, stable and reliable performance; 2. Compatible with two input modes of positive control and negative...

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