4 Channel Relay with Optocoupler Module Board Shield High Low Level Trigger 5v 12v 24v - 4Channel - 5V

Module Description:
The module uses genuine quality relay, normally open interfaces
4 Channel Relay with Optocoupler Module Board Shield High Low Level Trigger 5v 12v 24v
 
Maximum load: AC 250V/10A, DC 30V/10A
SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
The module voltage 5V / 12V / 24V
The module can be set high or low triggered by jumper
Fault-tolerant design, even if the control line is broken, the relay will not operate
Power indicator (green), relay state indicator (red)
Interface design user-friendly, all interfaces are available through the wiring terminal direct connection leads, very convenient
 
Module Interface:
DC+: positive power supply (VCC)
DC-: negative power supply (GND)
IN,IN2,IN3,IN4: can be high or low level control relay, S,S2,S3,S4, HIGHT OR LOW LEVER
 
Relay Outputs:
NO,2,3,4: normally open relay interface
COM,2,3,4: Common Interface Relays
NC,2,3,4: normally closed relay interface
 
High and Low Level Trigger Options:
It is low level trigger when jumper connect to LOW pin
It is high level trigger when jumper connect to HIGH pin