Connection Diagram Examples
Common power supply for magnetic lock (Fail open – power to lock)
Common power supply for lock release (Fail secure – power to unlock)
Common power supply for auto gate controller (using Normally Open contact)
Comments: Relay 2 can be used to operate a doorbell if there is no need to operate a second door. The wiring
to connect the doorbell is via NO2 and COM2. Press #, the K401-E will send out a switching signal to the
doorbell, as long as you press the” #”, the doorbell will operate, it will stop when you release the ” #”
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