Trigger Module DC 12V 2 Channel Relay Module Bistable Self-Locking Low Pulse

Trigger Mode: Low level trigger. While at power-on, the relay opens. T (T1 / T2 / T3 / T4): Trigger signal input (0.2-2 second low pulse). Working Current: 1 relay pull-in 70MA, 2 relay pull-in 140MA.

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