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2pcs 5V 30A One Channel Relay Module with Optocoupler Isolation - High and Low Trigger for PLC Automation Equipment Control Industrial Control

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$9.99

$ 4 .99 $4.99

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  • High-Quality 30A Relay: Equipped with a high-quality 30A relay, ensuring stable and reliable performance.
  • Optocoupler Isolation: Provides strong drive capability and superior isolation, enhancing anti-interference ability.
  • Jumper Settings for Trigger Mode: Features a jumper setting for high or low-level triggering, simplifying setup and operation.
  • Relay On/Off LED Indicator: Includes an LED indicator to visually confirm the relay’s on/off status.
  • User-Friendly Interface: All interfaces can be directly connected through terminal leads, ensuring easy and convenient installation.


This 5V 30A One Channel Relay Module is designed for high-performance industrial and automation applications. Featuring a high-quality 30A relay, it supports a maximum load of AC 250V/30A or DC 30V/30A. The module employs optocoupler isolation, which ensures strong drive capability and stable performance, making it ideal for various industrial control scenarios.
 The friendly interface design allows all connections to be made directly through terminal leads, facilitating quick and easy installation. The module also includes a jumper setting for high or low-level triggering, providing flexibility in setup. Additionally, the relay on/off LED indicator offers visual confirmation of the relay’s status, enhancing user convenience.
 Specifications:
Relay Voltage: 5V
Quiescent Current: 5mA
Maximum Current:
5V: 190mA
12V: 80mA
24V: 50mA
Trigger Current: 2-4mA
Load Voltage: DC 30V / AC 250V, 30A
Trigger Current: 5mA
DC +: DC power supply positive (trigger terminal voltage positive)
DC -: DC power supply negative (trigger terminal voltage negative)
IN: Signal trigger terminal (default trigger voltage and power supply the same)
High/Low Level Trigger Mode Selection:
Jumper connected to L-side: Low-level trigger
Jumper connected to H-side: High-level trigger
NC (NC): Normally closed
Common (COM): Common
NO (NO): Normally open
Package Included:
2 x 5V 30A One Channel Relay Module
This relay module is an excellent choice for both professional users and electronic enthusiasts, suitable for PLC automation equipment control, industrial system control, IoT control, and experimental development.