Professional-grade relay control board designed for reliable switching and automation applications
This versatile Relay Control PCB provides robust switching capabilities for a wide range of electrical control applications. Engineered for both hobbyist projects and professional installations, this board delivers dependable performance in automated systems, industrial controls, and smart home applications.
Key Features
High-Performance Switching – Features quality electromagnetic relays capable of handling both AC and DC loads with excellent isolation between control and load circuits. Switch ratings typically support loads up to 10A at 250V AC or 30V DC, making it suitable for controlling motors, lights, pumps, and other electrical devices.
Flexible Control Options – Compatible with various control signals including 3.3V, 5V, and 12V logic levels. Accepts input from microcontrollers, PLCs, sensors, or manual switches. Built-in LED indicators provide visual feedback for relay status and system diagnostics.
Protected Design – Incorporates flyback diodes for inductive load protection, optocoupler isolation for enhanced safety, and robust PCB layout optimized for electromagnetic compatibility. Screw terminal blocks ensure secure, maintenance-friendly connections.
Compact & Modular – Space-efficient design allows for easy integration into control panels or project enclosures. Multiple boards can be cascaded for expanded switching capacity while maintaining clean signal paths and minimal interference.
Applications
Perfect for home automation systems, industrial process control, HVAC controls, lighting management, security systems, and prototype development. Ideal for switching heating elements, ventilation fans, access control locks, irrigation valves, and various AC/DC powered equipment.
Technical Specifications
- Operating voltage: 12V DC (typical)
- Relay contact rating: 10A @ 250V AC / 10A @ 30V DC
- Control signal: 3.3V – 12V compatible
- Response time: <10ms activation/deactivation
- Operating temperature: -20°C to +70°C
- Dimensions: Compact PCB format with standard mounting holes
Note: Always verify load compatibility and follow proper electrical safety practices during installation. Consult local electrical codes for compliance requirements.
