1. The module uses high quality relay , normally open interfaces Maximum load : AC 250V/10A, DC 30V/10A;
2. Using patch optocoupler isolation, strong driving ability, stable performance, trigger current 5ma;
The module can be triggered by a jumper to set a high or low level;
Fault-tolerant design, the relay will not stop working even if the control line is disconnected;
3. The power indicator (Green) , relay status indicator (Red);
4. Module size : 50 * 26 * 18.5mm/1.97*1.02*0.73 in (L * W * H);
5. Have four mounting bolts holes , hole 3.1mm, 44.5mm * 20.5mm pitch;

Technical Parameters:
Quiescent current: 5mA;
Maximum current: 80mA;
Trigger current: 2-4mA;
Low level trigger voltage: 0-4V;
High level trigger voltage: 4.5-12V;
Module Interface:
1. DC +: DC 12V+;
2. DC-: DC 12V -;
3. IN: signal input;

High and low trigger selection:
1. When the jumper is connected to LOW, it is triggered by a low level;
2, the jumper is high level when connected with HIGH

Relay Outputs:
1. NO: normally open;
2. COM: public;
3. NC: normally closed;

Package Included:
2pcs KNACRO 12V 1 Channel Relay Module