2-Pack | Dual-Channel 5V Relay Module

Control high-voltage circuits — including mains-powered appliances and tools — safely and easily using a microcontroller. Each module features two independently switchable relay channels, making it ideal for home automation, robotics, and electronics projects.

Specifications

Parameter	Details
Control Voltage	5V DC
AC Load	250V / 10A
DC Load	30V / 10A
Trigger Type	Active LOW
Relay Type	SPDT
Optical Isolation	Yes (configurable via JD-VCC jumper)
Mounting Holes	4 × 3.1mm screw holes
Dimensions	50.5 × 38.5 × 18.5mm

Key Features

Switch high-voltage AC/DC loads from a low-voltage microcontroller signal
Optically isolated for improved safety and noise reduction
Compatible with Arduino and most 5V microcontroller platforms
Four mounting holes for secure, easy installation

Compatibility Note

These modules are designed for 5V control signals. While they may function with 3.3V devices such as the Raspberry Pi, this is not guaranteed — reliable operation requires a 5V logic source.

What's Included

2× Dual-Channel 5V Relay Module

Shipping & Discounts

Free shipping to the USA and APO addresses
10% off when you buy 3 items
15% off when you buy 5 or more items

Multi-item discount applies to most listings — check the top of the listing page for details.

Brand	Unbranded
Country of Origin	China

2pcs 5V Dual Channel 2 Relay Module Arduino Relays Switch 110V 115V 120V 220V US

Specifications

Returns Accepted