BESTEP C25 12V Normally Open Trigger Delay Relay Timer Electronic Module Vibration Board For Home Smart

Manual http myosuploads3 banggood com products 20190219 20190219034014C255V9V12V pdfApplications This module is a switch instant turn on trigger delay module which can be applied to home intelligent systems anti theft alarm delay door control system automation equipment control PLC industrial control electronic development and so on Description 1 Using advanced high quality timing chip control accurate timing performance is much better than 555 chip 2 The trigger terminal has optocoupler isolate and strong anti interference ability 3 The module can be triggered by using a normally open type switch or sensor 4 With 8 time range selection the shortest 0 1 seconds up to 1 hour 5 With anti power reverse protection diode better protection module 6 Can be connected to a large current load 250VAC 10A or 30VDC 10A 7 Has a delay adjustment potentiometer adjust clockwise to increase time 8 The output relay has normally open normally closed selection Package includes 1 x Trigger Delay Relay