Relay module high and low level trigger

Relay module high and low level trigger

1 Channel relay module for arduino with level trigger choice.

Specs

• Operating voltage: 5V
• Optically isolated
• "High level" or "Low level" - trigger can be changed by switching the jumper 
• Maximum load: AC 250V/10A, DC 30V/10A
• Trigger current: 5mA
• Module size: 50 x 26 x 18.5mm (L x W x H)
• Four mounting bolts holes, diameter 3.1mm

Module interface:

DC+: positive power supply (VCC)
DC-: negative power supply (GND)
IN: can be high or low level control relay


Relay outputs:

NO: normally open relay interface
COM: Common Interface Relays
NC: 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