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I should know about required product of Bangladesh.
No = Normal open , it's mean magnatic locK normal open NC = Normal clos ,it's mean magnatic lock normal close COM = Comman , it's mean ground connection
NC- normally close NO- Normally open C- Common NO or NC connections are given according to the requirement of end user. If the system which we are connecting the relay mo ... See More
Will control your relay output throw it NO: Normally open it means the circuit is open until you activate the relay to close it for a specified time then it will back to ... See More
NO - Normally open (In this case the device is is normally open condition when it is in idle state. and as soon as there is trigger. The circuit closes and and intrusion ... See More