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Description
- 57 x 55 x 25mm
Input part:
- DC +: connected to positive power source (supply power according to the relay voltage)
- DC -: connected to negative power source
- CH1: 1-channel relay module signal triggering end (effective at high level)
- CH2: 2-channel relay module signal triggering end (effective at high level)
- CH3: 3-channel relay module signal triggering end (effective at high level)
- CH4: 4-channel relay module signal triggering end (effective at high level)
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