High and Low Level Trigger, High-Level Trigger Relay Module 5V 8 Channel Relay Module for for PLC Automation Equipment Control for All Types of DIY

High level trigger: In industrial control, called PNP trigger, positive trigger, that is, the relay closes when the trigger voltage reaches the trigger condition before the trigger terminal and the negative pole of the power supply.

High-level trigger: In industrial control, called PNP trigger, positive trigger, that is, the relay closes when the trigger voltage reaches the trigger condition before the trigger terminal and the negative pole of the power supply.

Stable performance of electronic components, so that your equipment can work stably.

High sensitivity of this product.

The use of the product expansion capability, can be used for all types of DIY.

Equipped with fuse to ensure the safe use of this module.