—4 Channel Bistable Self Locking Relay Module Button MCU Low Level Control

At power-on, the relay opens. Working Current: 1 relay pull-in 70MA, 2 relay pull-in 140MA, 3 relay pull-in 210MA, 4 relay pull-in 280MA. Trigger Mode: Low level trigger. T (T1 / T2 / T3 / T4): Trigger signal input (0.2-2 second low pulse).

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