HANHAN 1 Channel Optocoupler Relay Module Board High & Low Trigger 5V/12V/24V

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Features:
Adopt patch photocoupler isolation, strong driving ability, stable performance. Trigger current is 5mA.
Module operating voltage is 5V,12V,24V for choice.
Each path of the module can be triggered by the high level or low level through a jumper setting. 
Fault-tolerant design,even if the control line breaks,the relay will not move. 
Power indicator light (green), 4-way relay state indicator light (red).
Humanized interface design, all interfaces can be directly connected through the terminal lead, very convenient.
Four fixing bolt holes are provided.

Specification:
Weight: 18g/0.6oz
Common interface load: AC 250V/10A, DC 30V/10A
Module Size (L*W*H): 50*26*18.5mm/2*1*0.7inch
Bolt Hole: 3.1 mm; 44.5*20.5mm (spacing)
Voltage: 5V, 12V, 24V (Optional)
Module interface:
1. DC + : connected to the positive pole of power supply (voltage is required for relay, 5V, 12V and 24V for choice)
2. DC- : connect to the power negative pole.
3. IN: high or low level control relay suction 
Relay output terminal: 
1. NO: relay changeover interface,relay suction front suspension, suction and COM short connection. 
2.COM: Relay common interface.
3.NC: Relay normally closed interface,relay suction and COM short joint, suction clearance. 
High and low level trigger selection terminal:
1. When jumper is connected with LOW short circuit, it is triggered by LOW level;
2. High level is triggered when jumper is connected with high short circuit;

Package List:
1 x Relay Mod