1 Channel 5V Relay Control Module Low Level Trigger Optocoupler Isolation
$3.99
SKU: EB0047769
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100+ PCS
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Features:
1. This module meet safety standard, control areas and load area have the isolation groo;
2. The double FR - 4 circuit board design, high-end SMT process;
3. The relay control;
4. it have power and relay operation instructions, and bright, disconnect the da1wn;
5. Signal input with low level signal, the common and often start conduction;
6. Relay can directly control all kinds of equipment and load;
7. One often opened a normally closed contact;
8. Blue KF301 terminal line more convenient.