2/4/8Channel Modul With Optokoppler Isolation H/L Level Trigger Relay 5/9/12/24V

High or low level trigger option Trigger current 5mA;. NC1 - NC4: normally closed relay interface relay shorted with COM ago, after the pull- vacant. NO2: 2 -way normally open relay interface, the relay before floating, pull back and COM2 short.

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