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
Module interface:
1. DC + : connected to the positive pole of power supply (voltage is required for relay, 5V)
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 × Relay Module