WiFi 4-Channel Relay Module | DC Motor App Remote Control
WiFi 4-Channel Relay Module | DC Motor App Remote Control
WiFi 4-Channel Relay Module – Smart AC/DC Motor Control via App
Take full control of your electrical systems from anywhere with this WiFi-enabled 4-Channel Relay Module. Designed for makers, engineers, and smart-home enthusiasts, this intelligent relay board lets you switch and direct DC motor operation — forward and reverse — as well as manage up to four independent AC circuits, all from your mobile phone via a simple app interface.
Key Features
- 4-Channel Relay Control: Independently switch four circuits or configure channels for DC motor forward/reverse direction control.
- Wide Input Voltage Range: Supports AC 85–250V supply voltage, making it compatible with most global power standards.
- High Power Capacity: Handles up to 3,500W maximum total power and up to 10A maximum overcurrent capacity per channel.
- 2.4GHz WiFi Connectivity: Connects to your home or workshop network via IEEE 802.11 b/g/n (2.4GHz) for reliable wireless control.
- Mobile App Remote Control: Operate and monitor all four relay channels from your smartphone — no need to be near the device.
- Compact Form Factor: At just 93 × 87mm, this module fits neatly into enclosures, control panels, or DIY automation builds.
- Versatile Applications: Perfect for home automation, workshop equipment, motor direction switching, lighting control, irrigation systems, and more.
Specifications
| Controlled Voltage | AC 0–250V |
| Supply Voltage | AC 85–250V |
| Maximum Total Power | 3,500W |
| Maximum Overcurrent Capacity | 10A |
| WiFi Standard | 2.4GHz IEEE 802.11 b/g/n |
| Dimensions | 93 × 87mm |
| Number of Channels | 4 |
| Country of Origin | Made in Mainland China |
Package Contents
- 1× WiFi 4-Channel Relay Module
Notes
- Due to lighting and display differences, the item's color may appear slightly different from pictures.
- Please allow 1mm–1cm measurement tolerance due to manual measurement methods.
Safety & Standards Reference
For guidance on electrical safety standards and best practices when working with relay modules and AC/DC circuits, refer to the OSHA Electrical Safety Guidelines. Always ensure proper enclosure and wiring practices when integrating relay modules into live circuits.
Frequently Asked Questions
Q: What app is used to control this WiFi relay module remotely?
A: This WiFi 4-channel relay module is compatible with a dedicated mobile phone app (typically a smart home automation app such as eWeLink or similar). Please check the product documentation included in the package for the specific app name and pairing instructions for your device.
Q: Can this relay module control a DC motor in both forward and reverse directions?
A: Yes. The module is specifically designed to support DC motor forward and reverse direction control by utilizing multiple relay channels together. This makes it ideal for automated gates, conveyor systems, robotics, and other motor-driven applications.
Q: Is this relay module suitable for 110V and 220V systems?
A: Absolutely. With a wide supply voltage range of AC 85–250V, this module is compatible with both 110V (North American) and 220–240V (European/Australian) power systems, making it highly versatile for international use.
Q: What is the maximum load this relay module can handle?
A: The module supports a maximum total power of 3,500W and up to 10A overcurrent capacity per channel. Always ensure your connected devices do not exceed these ratings to maintain safe and reliable operation.