Self-locking interlock WiFi relay module with 7-32V operating voltage for remote switching applications

This self-locking interlock relay module provides wireless control capability for automation and switching applications through its integrated 2.4GHz WiFi connectivity. Designed with a broad 7-32V operating voltage range, the module offers installation flexibility across various electrical systems while maintaining compact dimensions of 15cm in length, 8cm in width, and 2cm in thickness. The USB communication interface simplifies integration with control systems, and the PCB onboard antenna ensures reliable wireless communication without external components.

Features and Construction

The module combines switching functionality with wireless control capabilities in a streamlined package weighing 0.1kg. Its self-locking interlock design provides stable operation for one-way switching applications, preventing unintended state changes during use.

Material and Build

Constructed from electronic components mounted on a PCB with integrated antenna design, the module employs standard relay technology enhanced with wireless control capability. The PCB onboard antenna eliminates the need for external antenna connections while maintaining 2.4GHz WiFi communication functionality. All components are housed within the compact enclosure designed for the SMG-WF01-7-32V product series.

Size and Practical Fit

With dimensions of 15cm by 8cm by 2cm, the module occupies minimal space in installation environments while providing full remote control functionality. The 0.1kg weight ensures easy mounting in various orientations without requiring substantial support structures. The compact design allows integration into existing control panels, electrical enclosures, or automation systems where space considerations are important.

Uses and Placement

The relay module serves applications requiring remote switching capability with wireless control convenience. Its operating characteristics make it suitable for both professional installations and enthusiast projects involving automation control.

Event or Professional Use

In professional settings, the module can control lighting systems, equipment power cycling, or automated processes through wireless commands. The 7-32V operating voltage range accommodates various control voltage standards, while the USB interface allows straightforward integration with monitoring and control software. The self-locking interlock design prevents accidental switching during critical operations, providing reliability in professional automation environments.

Everyday Home Use

For residential applications, the module enables remote control of appliances, lighting, or security systems through smartphone apps or web interfaces. The 2.4GHz WiFi connectivity works with standard home networks without requiring additional hardware, and the compact size allows discreet installation in electrical boxes or behind fixtures. Home automation enthusiasts can incorporate the module into DIY projects for scheduled operations or remote access control.

Benefits and Buying Value

The module combines wireless convenience with practical switching capability in a single integrated package. Its design prioritises straightforward installation and reliable operation across various voltage environments.

Reuse and Low Maintenance

The solid-state design with PCB components requires minimal maintenance beyond proper voltage supply and network connectivity. The absence of moving parts in the wireless communication system reduces wear compared to mechanical remote control systems. Standard USB connectivity allows software updates or configuration changes without specialised interfaces, supporting long-term usability as control requirements evolve.

Why Choose This Product

This relay module provides a complete wireless switching solution with integrated antenna and broad voltage compatibility in one package. The combination of self-locking interlock functionality with 2.4GHz WiFi connectivity addresses both reliability and convenience requirements for remote control applications. The specified dimensions and weight offer predictable installation planning, while the USB interface ensures compatibility with common control system hardware.