4-Channel Relay Module with Optocoupler isolation Red,

Detailed Information About The Product:

The module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A.
Using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA.
The power indicator (green), the relay status indicator (red).
The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient.
This module Operating voltage: 9V
Color: Red
Material: metal
Module size: 73mm*50mm*18.5mm (L*W*H)
Module interface:
1. DC+: positive power supply (VCC)
2. DC-: negative power supply (GND)
3. IN1,IN2,IN3,IN4: can be high or low level control relay
S1,S2,S3,S4, HIGHT OR LOW LEVER
Relay outputs:
1. NO1,2,3,4: normally open relay interface
2. COM1,2,3,4: Common Interface Relays
3. NC1,2,3,4: 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
Package:
1* 4CH Relay Module
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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