LRA3 Smart Switch WIFI Industrial Pump Control

The LRA3 Smart WIFI Switch is a single-phase DIN-rail mounted intelligent circuit control device, purpose-built for industrial operators, facility management teams, and system integrators seeking reliable circuit protection, precision control, and remote equipment management. Engineered to meet the rigorous demands of industrial, agricultural, and municipal applications, this WiFi Industrial Pump Control Switch integrates core functions including energy metering, timed scheduling, multi-layer fault protection, and unrestricted remote & local control. With multi-mode communication compatibility and customizable protection logic, it delivers a scalable, cost-effective solution for automating and safeguarding critical equipment across high-demand operational environments.

Core Features & Project-Focused Advantages

1. Multi-Mode Communication for Unrestricted Remote Access

Unlike standard smart switches, the LRA3 Smart WIFI Switch supports three communication protocols: Tuya WiFi, Cloud Intelligence 4G, and RS485, ensuring stable connectivity even in remote industrial or agricultural sites with limited WiFi coverage. This enables zero-distance remote control, real-time status monitoring, and emergency shutdown of equipment from any location, eliminating operational delays and on-site maintenance costs.

2. Customizable Multi-Layer Equipment Protection

This DIN-Rail Smart Circuit Breaker offers fully configurable protection thresholds for overvoltage, undervoltage, overcurrent, and overpower events, with adjustable judgment and recovery times tailored to specific project requirements. It provides proactive protection for high-value industrial assets such as water pumps, fans, and production line equipment, minimizing downtime and extending equipment service life.

3. High-Precision Energy Metering for Cost Optimization

Equipped with Class 2.0 active power accuracy, the switch delivers 1% voltage and current accuracy for 4G models and 2% accuracy for WiFi models, with 2% energy metering accuracy across all variants. It enables granular energy consumption tracking, helping industrial users optimize electricity usage, reduce operational costs, and meet energy efficiency compliance requirements.

4. Flexible Installation & Dual Control Modes

Supporting standard DIN-rail mounting, the switch seamlessly integrates into existing electrical cabinets without complex retrofitting. It also supports both local manual operation and remote control via the Tuya APP, ensuring operational continuity even during network outages, critical for industrial and municipal emergency response.

Full Technical Specifications

Target Industries & Application Scenarios

The LRA3 Smart WIFI Switch is optimized for heavy-duty operational environments, with core applications including:

Industrial Manufacturing: Remote start/stop and emergency shutdown of water pumps, fans, and production line equipment, with automated protection against electrical faults.

Agricultural & Livestock Automation: Sensor-linked automatic control of irrigation systems, greenhouse roller blinds, and farm ventilation equipment, reducing manual labor and improving operational efficiency.

Municipal Utilities & Smart City: Remote management of streetlights, drainage pumps, and river gates, with real-time fault alarms for proactive maintenance.

Commercial Facility Management: Timed and remote control of high-power HVAC and lighting systems in large-scale commercial complexes, with energy consumption monitoring for cost reduction.

Product Operate Guide

App Preparation: Download and install the Tuya APP, then register and log in with your enterprise account.

Wiring Installation: Connect the upper terminals to the power supply and the lower terminals to the load, following the standard wiring diagram, then power on the device.

Pairing Activation: 10 seconds after power-on, press and hold the function button until the WiFi indicator flashes, indicating the device has entered pairing mode.

Network Connection: In the Tuya APP, click the "+" icon to enter the device adding interface, select the 2.4G WiFi network, and follow the prompts to complete pairing.

Configuration: Set device name, protection thresholds, and control logic, then complete commissioning for formal operation.

FAQ

Can the protection thresholds of the LRA3 Smart Switch be customized for specific industrial project needs?

Yes. All protection parameters, including overvoltage/undervoltage values, overcurrent/overpower thresholds, and judgment/recovery times, are fully customizable to match the requirements of different industrial equipment and project scenarios.

What communication options are available for remote sites without stable WiFi coverage?

The LRA3 Smart WIFI Switch supports 4G cellular communication and RS485 wired communication, in addition to WiFi. This ensures stable remote connectivity and control in remote agricultural, industrial, or municipal sites with limited WiFi access, with no distance limitations.